PUDL Data Dictionary#

The following data tables have been cleaned and transformed by our ETL process.

balancing_authorities_eia#

A coding table describing balancing authorities in EIA-860 and EIA-923. Browse or query this table in Datasette.

Field Name	Type	Description
code	string	Originally reported short code.
description	string	Long human-readable description of the meaning of a code/label.
label	string	Longer human-readable code using snake_case

boiler_fuel_eia923#

EIA-923 Monthly Boiler Fuel Consumption and Emissions Time Series. From EIA-923 Schedule 3. Browse or query this table in Datasette.

Field Name	Type	Description
ash_content_pct	number	Ash content percentage by weight to the nearest 0.1 percent.
boiler_id	string	Alphanumeric boiler ID.
energy_source_code	string	The fuel code associated with the fuel receipt. Two or three character alphanumeric.
fuel_consumed_units	number	Consumption of the fuel type in physical units. Note: this is the total quantity consumed for both electricity and, in the case of combined heat and power plants, process steam production.
fuel_mmbtu_per_unit	number	Heat content of the fuel in millions of Btus per physical unit.
fuel_type_code_pudl	string	Simplified fuel type code used in PUDL
plant_id_eia	integer	The unique six-digit facility identification number, also called an ORISPL, assigned by the Energy Information Administration.
report_date	date	Date reported.
sulfur_content_pct	number	Sulfur content percentage by weight to the nearest 0.01 percent.

boiler_generator_assn_eia860#

Associations between boilers and generators as reported in EIA-860 Schedule 6, Part A. Augmented with various heuristics within PUDL. Browse or query this table in Datasette.

Field Name	Type	Description
bga_source	string	The source from where the unit_id_pudl is compiled. The unit_id_pudl comes directly from EIA 860, or string association (which looks at all the boilers and generators that are not associated with a unit and tries to find a matching string in the respective collection of boilers or generator), or from a unit connection (where the unit_id_eia is employed to find additional boiler generator connections).
boiler_generator_assn_type_code	string	Indicates whether boiler associations with generator during the year were actual or theoretical. Only available before 2013.
boiler_id	string	Alphanumeric boiler ID.
data_maturity	string	Level of maturity of the data record. Some data sources report less-than-final data. PUDL sometimes includes this data, but use at your own risk.
generator_id	string	Generator ID is usually numeric, but sometimes includes letters. Make sure you treat it as a string!
plant_id_eia	integer	The unique six-digit facility identification number, also called an ORISPL, assigned by the Energy Information Administration.
report_date	date	Date reported.
steam_plant_type_code	integer	Code that describes types of steam plants from EIA 860. See steam_plant_types_eia table for more details.
unit_id_eia	string	EIA-assigned unit identification code.
unit_id_pudl	integer	Dynamically assigned PUDL unit id. WARNING: This ID is not guaranteed to be static long term as the input data and algorithm may evolve over time.

boiler_generator_assn_types_eia#

A coding table describing different types of boiler-generator associations in the EIA-860. Browse or query this table in Datasette.

Field Name	Type	Description
code	string	Originally reported short code.
description	string	Long human-readable description of the meaning of a code/label.
label	string	Longer human-readable code using snake_case

boilers_entity_eia#

Static boiler attributes compiled from the EIA-860 and EIA-923 data. Browse or query this table in Datasette.

Field Name	Type	Description
boiler_id	string	Alphanumeric boiler ID.
plant_id_eia	integer	The unique six-digit facility identification number, also called an ORISPL, assigned by the Energy Information Administration.
prime_mover_code	string	Code for the type of prime mover (e.g. CT, CG)

coalmine_eia923#

Coal mine attributes originally reported within the Fuel Receipts and Costs table via EIA-923 Schedule 2, Part C. Browse or query this table in Datasette.

Field Name	Type	Description
county_id_fips	string	County ID from the Federal Information Processing Standard Publication 6-4.
data_maturity	string	Level of maturity of the data record. Some data sources report less-than-final data. PUDL sometimes includes this data, but use at your own risk.
mine_id_msha	integer	MSHA issued mine identifier.
mine_id_pudl	integer	Dynamically assigned PUDL mine identifier.
mine_name	string	Coal mine name.
mine_type_code	string	Type of coal mine.
state	string	Two letter US state abbreviation.

coalmine_types_eia#

A coding table describing different types of coalmines reported as fuel sources in the EIA-923. Browse or query this table in Datasette.

Field Name	Type	Description
code	string	Originally reported short code.
description	string	Long human-readable description of the meaning of a code/label.
label	string	Longer human-readable code using snake_case

contract_types_eia#

A coding table describing the various types of fuel supply contracts reported in EIA-923. Browse or query this table in Datasette.

Field Name	Type	Description
code	string	Originally reported short code.
description	string	Long human-readable description of the meaning of a code/label.
label	string	Longer human-readable code using snake_case

data_maturities#

Level of maturities of data records. Some data sources report less-than-final data. PUDL sometimes includes this data, but use at your own risk. Browse or query this table in Datasette.

Field Name	Type	Description
code	string	Originally reported short code.
description	string	Long human-readable description of the meaning of a code/label.

demand_hourly_pa_ferc714#

Hourly electricity demand by plannting area. FERC Form 714, Part III, Schedule 2a. Browse or query this table in Datasette.

Field Name	Type	Description
demand_mwh	number	N/A
report_date	date	Date reported.
respondent_id_ferc714	integer	N/A
timezone	string	IANA timezone name
utc_datetime	datetime	N/A

energy_sources_eia#

Codes and metadata pertaining to energy sources reported to EIA. Compiled from EIA-860 instructions and EIA-923 file layout spreadsheets. Browse or query this table in Datasette.

Field Name	Type	Description
code	string	Originally reported short code.
description	string	Long human-readable description of the meaning of a code/label.
fuel_derived_from	string	Original fuel from which this refined fuel was derived.
fuel_group_eia	string	High level fuel group defined in the 2021-2023 EIA Form 860 instructions, Table 28.
fuel_phase	string	Physical phase of matter of the fuel.
fuel_type_code_pudl	string	Simplified fuel type code used in PUDL
fuel_units	string	Reported units of measure for fuel.
label	string	Longer human-readable code using snake_case
max_fuel_mmbtu_per_unit	number	Maximum heat content per physical unit of fuel in MMBtu.
min_fuel_mmbtu_per_unit	number	Minimum heat content per physical unit of fuel in MMBtu.

entity_types_eia#

Descriptive labels for EIA entity type and ownership codes, taken from the EIA-861 form instructions, valid through 2023-05-31. Browse or query this table in Datasette.

Field Name	Type	Description
code	string	Originally reported short code.
description	string	Long human-readable description of the meaning of a code/label.
label	string	Longer human-readable code using snake_case

epacamd_eia#

No table description available. Browse or query this table in Datasette.

Field Name	Type	Description
boiler_id	string	Alphanumeric boiler ID.
emissions_unit_id_epa	string	Emissions (smokestack) unit monitored by EPA CEMS.
generator_id	string	Generator ID is usually numeric, but sometimes includes letters. Make sure you treat it as a string!
generator_id_epa	string	Generator ID used by the EPA.
plant_id_eia	integer	The unique six-digit facility identification number, also called an ORISPL, assigned by the Energy Information Administration.
plant_id_epa	integer	The ORISPL ID used by EPA to refer to the plant. Usually but not always the same as plant_id_eia.

ferc_accounts#

Account numbers from the FERC Uniform System of Accounts for Electric Plant, which is defined in Code of Federal Regulations (CFR) Title 18, Chapter I, Subchapter C, Part 101. (See e.g. https://www.law.cornell.edu/cfr/text/18/part-101). Browse or query this table in Datasette.

Field Name	Type	Description
ferc_account_description	string	N/A
ferc_account_id	string	Account identifier from FERC's Uniform System of Accounts for Electric Plant. Includes higher level labeled categories.

ferc_depreciation_lines#

PUDL assigned FERC Form 1 line identifiers and long descriptions from FERC Form 1 page 219, Accumulated Provision for Depreciation of Electric Utility Plant (Account 108). Browse or query this table in Datasette.

Field Name	Type	Description
ferc_account_description	string	N/A
line_id	string	A human readable string uniquely identifying the FERC depreciation account. Used in lieu of the actual line number, as those numbers are not guaranteed to be consistent from year to year.

fuel_ferc1#

Annual fuel cost and quanitiy for steam plants with a capacity of 25+ MW, internal combustion and gas-turbine plants of 10+ MW, and all nuclear plants. As reported on page 402 of FERC Form 1 and extracted from the f1_fuel table in FERC's FoxPro Database. Browse or query this table in Datasette.

Field Name	Type	Description
fuel_consumed_units	number	Consumption of the fuel type in physical units. Note: this is the total quantity consumed for both electricity and, in the case of combined heat and power plants, process steam production.
fuel_cost_per_mmbtu	number	Average fuel cost per mmBTU of heat content in nominal USD.
fuel_cost_per_unit_burned	number	Average cost of fuel consumed in the report year per reported fuel unit (USD).
fuel_cost_per_unit_delivered	number	Average cost of fuel delivered in the report year per reported fuel unit (USD).
fuel_mmbtu_per_unit	number	Heat content of the fuel in millions of Btus per physical unit.
fuel_type_code_pudl	string	Simplified fuel type code used in PUDL
fuel_units	string	Reported units of measure for fuel.
plant_name_ferc1	string	Name of the plant, as reported to FERC. This is a freeform string, not guaranteed to be consistent across references to the same plant.
record_id	string	Identifier indicating original FERC Form 1 source record. format: {table_name}_{report_year}_{report_prd}_{respondent_id}_{spplmnt_num}_{row_number}. Unique within FERC Form 1 DB tables which are not row-mapped.
report_year	integer	Four-digit year in which the data was reported.
utility_id_ferc1	integer	PUDL-assigned utility ID, identifying a FERC1 utility. This is an auto-incremented ID and is not expected to be stable from year to year.

fuel_receipts_costs_aggs_eia#

Aggregated fuel receipts and costs from the EIA bulk electricty data. Browse or query this table in Datasette.

Field Name	Type	Description
fuel_agg	string	Category of fuel aggregation in EIA bulk electricity data.
fuel_cost_per_mmbtu	number	Average fuel cost per mmBTU of heat content in nominal USD.
fuel_received_mmbtu	number	Aggregated fuel receipts, in MMBtu, in EIA bulk electricity data.
geo_agg	string	Category of geographic aggregation in EIA bulk electricity data.
report_date	date	Date reported.
sector_agg	string	Category of sectoral aggregation in EIA bulk electricity data.
temporal_agg	string	Category of temporal aggregation in EIA bulk electricity data.

fuel_receipts_costs_eia923#

Monthly fuel contract information, purchases, and costs reported in EIA-923 Schedule 2, Part A. Browse or query this table in Datasette.

Field Name	Type	Description
ash_content_pct	number	Ash content percentage by weight to the nearest 0.1 percent.
chlorine_content_ppm	number	N/A
contract_expiration_date	date	Date contract expires.Format: MMYY.
contract_type_code	string	Purchase type under which receipts occurred in the reporting month. C: Contract, NC: New Contract, S: Spot Purchase, T: Tolling Agreement.
data_maturity	string	Level of maturity of the data record. Some data sources report less-than-final data. PUDL sometimes includes this data, but use at your own risk.
energy_source_code	string	The fuel code associated with the fuel receipt. Two or three character alphanumeric.
fuel_cost_per_mmbtu	number	Average fuel cost per mmBTU of heat content in nominal USD.
fuel_group_code	string	Fuel groups used in the Electric Power Monthly
fuel_mmbtu_per_unit	number	Heat content of the fuel in millions of Btus per physical unit.
fuel_received_units	number	Quanity of fuel received in tons, barrel, or Mcf.
fuel_type_code_pudl	string	Simplified fuel type code used in PUDL
mercury_content_ppm	number	Mercury content in parts per million (ppm) to the nearest 0.001 ppm.
mine_id_pudl	integer	Dynamically assigned PUDL mine identifier.
moisture_content_pct	number	N/A
natural_gas_delivery_contract_type_code	string	Contract type for natrual gas delivery service:
natural_gas_transport_code	string	Contract type for natural gas transportation service.
plant_id_eia	integer	The unique six-digit facility identification number, also called an ORISPL, assigned by the Energy Information Administration.
primary_transportation_mode_code	string	Transportation mode for the longest distance transported.
report_date	date	Date reported.
secondary_transportation_mode_code	string	Transportation mode for the second longest distance transported.
sulfur_content_pct	number	Sulfur content percentage by weight to the nearest 0.01 percent.
supplier_name	string	Company that sold the fuel to the plant or, in the case of Natural Gas, pipline owner.

fuel_transportation_modes_eia#

Long descriptions of the fuel transportation modes reported in the EIA-860 and EIA-923. Browse or query this table in Datasette.

Field Name	Type	Description
code	string	Originally reported short code.
description	string	Long human-readable description of the meaning of a code/label.
label	string	Longer human-readable code using snake_case

fuel_types_aer_eia#

Descriptive labels for aggregated fuel types used in the Annual Energy Review. See EIA-923 Fuel Code table for additional information. Browse or query this table in Datasette.

Field Name	Type	Description
code	string	Originally reported short code.
description	string	Long human-readable description of the meaning of a code/label.

generation_eia923#

EIA-923 Monthly Generating Unit Net Generation Time Series. From EIA-923 Schedule 3. Browse or query this table in Datasette.

Field Name	Type	Description
data_maturity	string	Level of maturity of the data record. Some data sources report less-than-final data. PUDL sometimes includes this data, but use at your own risk.
generator_id	string	Generator ID is usually numeric, but sometimes includes letters. Make sure you treat it as a string!
net_generation_mwh	number	Net electricity generation for the specified period in megawatt-hours (MWh).
plant_id_eia	integer	The unique six-digit facility identification number, also called an ORISPL, assigned by the Energy Information Administration.
report_date	date	Date reported.

generation_fuel_eia923#

EIA-923 Monthly Generation and Fuel Consumption Time Series. From EIA-923 Schedule 3. Monthly electricity generation and fuel consumption reported for each combination of fuel and prime mover within a plant. This table does not include data from nuclear plants as they report at the generation unit level, rather than the plant level. See the generation_fuel_nuclear_eia923 table for nuclear electricity generation and fuel consumption. Browse or query this table in Datasette.

Field Name	Type	Description
data_maturity	string	Level of maturity of the data record. Some data sources report less-than-final data. PUDL sometimes includes this data, but use at your own risk.
energy_source_code	string	The fuel code associated with the fuel receipt. Two or three character alphanumeric.
fuel_consumed_for_electricity_mmbtu	number	Total consumption of fuel to produce electricity, in physical units, year to date.
fuel_consumed_for_electricity_units	number	Consumption for electric generation of the fuel type in physical units.
fuel_consumed_mmbtu	number	Total consumption of fuel in physical units, year to date. Note: this is the total quantity consumed for both electricity and, in the case of combined heat and power plants, process steam production.
fuel_consumed_units	number	Consumption of the fuel type in physical units. Note: this is the total quantity consumed for both electricity and, in the case of combined heat and power plants, process steam production.
fuel_mmbtu_per_unit	number	Heat content of the fuel in millions of Btus per physical unit.
fuel_type_code_aer	string	A partial aggregation of the reported fuel type codes into larger categories used by EIA in, for example, the Annual Energy Review (AER). Two or three letter alphanumeric.
fuel_type_code_pudl	string	Simplified fuel type code used in PUDL
net_generation_mwh	number	Net electricity generation for the specified period in megawatt-hours (MWh).
plant_id_eia	integer	The unique six-digit facility identification number, also called an ORISPL, assigned by the Energy Information Administration.
prime_mover_code	string	Code for the type of prime mover (e.g. CT, CG)
report_date	date	Date reported.

generation_fuel_nuclear_eia923#

Field Name	Type	Description
data_maturity	string	Level of maturity of the data record. Some data sources report less-than-final data. PUDL sometimes includes this data, but use at your own risk.
energy_source_code	string	The fuel code associated with the fuel receipt. Two or three character alphanumeric.
fuel_consumed_for_electricity_mmbtu	number	Total consumption of fuel to produce electricity, in physical units, year to date.
fuel_consumed_for_electricity_units	number	Consumption for electric generation of the fuel type in physical units.
fuel_consumed_mmbtu	number	Total consumption of fuel in physical units, year to date. Note: this is the total quantity consumed for both electricity and, in the case of combined heat and power plants, process steam production.
fuel_consumed_units	number	Consumption of the fuel type in physical units. Note: this is the total quantity consumed for both electricity and, in the case of combined heat and power plants, process steam production.
fuel_mmbtu_per_unit	number	Heat content of the fuel in millions of Btus per physical unit.
fuel_type_code_aer	string	A partial aggregation of the reported fuel type codes into larger categories used by EIA in, for example, the Annual Energy Review (AER). Two or three letter alphanumeric.
fuel_type_code_pudl	string	Simplified fuel type code used in PUDL
net_generation_mwh	number	Net electricity generation for the specified period in megawatt-hours (MWh).
nuclear_unit_id	string	For nuclear plants only, the unit number .One digit numeric. Nuclear plants are the only type of plants for which data are shown explicitly at the generating unit level.
plant_id_eia	integer	The unique six-digit facility identification number, also called an ORISPL, assigned by the Energy Information Administration.
prime_mover_code	string	Code for the type of prime mover (e.g. CT, CG)
report_date	date	Date reported.

generators_eia860#

Annually varying generator attributes compiled from across EIA-860 and EIA-923 data. Browse or query this table in Datasette.

Field Name	Type	Description
capacity_mw	number	Total installed (nameplate) capacity, in megawatts.
carbon_capture	boolean	Indicates whether the generator uses carbon capture technology.
cofire_fuels	boolean	Can the generator co-fire fuels?.
current_planned_operating_date	date	The most recently updated effective date on which the generator is scheduled to start operation
data_maturity	string	Level of maturity of the data record. Some data sources report less-than-final data. PUDL sometimes includes this data, but use at your own risk.
deliver_power_transgrid	boolean	Indicate whether the generator can deliver power to the transmission grid.
distributed_generation	boolean	Whether the generator is considered distributed generation
energy_source_1_transport_1	string	Primary mode of transport for energy source 1.
energy_source_1_transport_2	string	Secondary mode of transport for energy source 1.
energy_source_1_transport_3	string	Tertiary mode of transport for energy source 1.
energy_source_2_transport_1	string	Primary mode of transport for energy source 2.
energy_source_2_transport_2	string	Secondary mode of transport for energy source 2.
energy_source_2_transport_3	string	Tertiary mode of transport for energy source 2.
energy_source_code_1	string	The code representing the most predominant type of energy that fuels the generator.
energy_source_code_2	string	The code representing the second most predominant type of energy that fuels the generator
energy_source_code_3	string	The code representing the third most predominant type of energy that fuels the generator
energy_source_code_4	string	The code representing the fourth most predominant type of energy that fuels the generator
energy_source_code_5	string	The code representing the fifth most predominant type of energy that fuels the generator
energy_source_code_6	string	The code representing the sixth most predominant type of energy that fuels the generator
energy_storage_capacity_mwh	number	Energy storage capacity in MWh (e.g. for batteries).
ferc_qualifying_facility	boolean	Indicatates whether or not a generator is a qualifying FERC cogeneation facility.
fuel_type_code_pudl	string	Simplified fuel type code used in PUDL
generator_id	string	Generator ID is usually numeric, but sometimes includes letters. Make sure you treat it as a string!
minimum_load_mw	number	The minimum load at which the generator can operate at continuosuly.
multiple_fuels	boolean	Can the generator burn multiple fuels?
nameplate_power_factor	number	The nameplate power factor of the generator.
net_capacity_mwdc	number	Generation capacity in megawatts of direct current that is subject to a net metering agreement. Typically used for behind-the-meter solar PV.
operational_status	string	The operating status of the generator. This is based on which tab the generator was listed in in EIA 860.
operational_status_code	string	The operating status of the generator.
other_modifications_date	date	Planned effective date that the generator is scheduled to enter commercial operation after any other planned modification is complete.
other_planned_modifications	boolean	Indicates whether there are there other modifications planned for the generator.
owned_by_non_utility	boolean	Whether any part of generator is owned by a nonutilty
ownership_code	string	Identifies the ownership for each generator.
planned_derate_date	date	Planned effective month that the generator is scheduled to enter operation after the derate modification.
planned_energy_source_code_1	string	New energy source code for the planned repowered generator.
planned_modifications	boolean	Indicates whether there are any planned capacity uprates/derates, repowering, other modifications, or generator retirements scheduled for the next 5 years.
planned_net_summer_capacity_derate_mw	number	Decrease in summer capacity expected to be realized from the derate modification to the equipment.
planned_net_summer_capacity_uprate_mw	number	Increase in summer capacity expected to be realized from the modification to the equipment.
planned_net_winter_capacity_derate_mw	number	Decrease in winter capacity expected to be realized from the derate modification to the equipment.
planned_net_winter_capacity_uprate_mw	number	Increase in winter capacity expected to be realized from the uprate modification to the equipment.
planned_new_capacity_mw	number	The expected new namplate capacity for the generator.
planned_new_prime_mover_code	string	New prime mover for the planned repowered generator.
planned_repower_date	date	Planned effective date that the generator is scheduled to enter operation after the repowering is complete.
planned_retirement_date	date	Planned effective date of the scheduled retirement of the generator.
planned_uprate_date	date	Planned effective date that the generator is scheduled to enter operation after the uprate modification.
plant_id_eia	integer	The unique six-digit facility identification number, also called an ORISPL, assigned by the Energy Information Administration.
prime_mover_code	string	Code for the type of prime mover (e.g. CT, CG)
reactive_power_output_mvar	number	Reactive Power Output (MVAr)
report_date	date	Date reported.
retirement_date	date	Date of the scheduled or effected retirement of the generator.
startup_source_code_1	string	The code representing the first, second, third or fourth start-up and flame stabilization energy source used by the combustion unit(s) associated with this generator.
startup_source_code_2	string	The code representing the first, second, third or fourth start-up and flame stabilization energy source used by the combustion unit(s) associated with this generator.
startup_source_code_3	string	The code representing the first, second, third or fourth start-up and flame stabilization energy source used by the combustion unit(s) associated with this generator.
startup_source_code_4	string	The code representing the first, second, third or fourth start-up and flame stabilization energy source used by the combustion unit(s) associated with this generator.
summer_capacity_estimate	boolean	Whether the summer capacity value was an estimate
summer_capacity_mw	number	The net summer capacity.
summer_estimated_capability_mw	number	EIA estimated summer capacity (in MWh).
switch_oil_gas	boolean	Indicates whether the generator switch between oil and natural gas.
syncronized_transmission_grid	boolean	Indicates whether standby generators (SB status) can be synchronized to the grid.
technology_description	string	High level description of the technology used by the generator to produce electricity.
time_cold_shutdown_full_load_code	string	The minimum amount of time required to bring the unit to full load from shutdown.
turbines_inverters_hydrokinetics	integer	Number of wind turbines, or hydrokinetic buoys.
turbines_num	integer	Number of wind turbines, or hydrokinetic buoys.
uprate_derate_completed_date	date	The date when the uprate or derate was completed.
uprate_derate_during_year	boolean	Was an uprate or derate completed on this generator during the reporting year?
utility_id_eia	integer	The EIA Utility Identification number.
winter_capacity_estimate	boolean	Whether the winter capacity value was an estimate
winter_capacity_mw	number	The net winter capacity.
winter_estimated_capability_mw	number	EIA estimated winter capacity (in MWh).

generators_entity_eia#

Static generator attributes compiled from across the EIA-860 and EIA-923 data. Browse or query this table in Datasette.

Field Name	Type	Description
associated_combined_heat_power	boolean	Indicates whether the generator is associated with a combined heat and power system
bypass_heat_recovery	boolean	Can this generator operate while bypassing the heat recovery steam generator?
duct_burners	boolean	Indicates whether the unit has duct-burners for supplementary firing of the turbine exhaust gas
fluidized_bed_tech	boolean	Indicates whether the generator uses fluidized bed technology
generator_id	string	Generator ID is usually numeric, but sometimes includes letters. Make sure you treat it as a string!
operating_date	date	Date the generator began commercial operation
operating_switch	string	Indicates whether the fuel switching generator can switch when operating
original_planned_operating_date	date	The date the generator was originally scheduled to be operational
other_combustion_tech	boolean	Indicates whether the generator uses other combustion technologies
plant_id_eia	integer	The unique six-digit facility identification number, also called an ORISPL, assigned by the Energy Information Administration.
previously_canceled	boolean	Indicates whether the generator was previously reported as indefinitely postponed or canceled
pulverized_coal_tech	boolean	Indicates whether the generator uses pulverized coal technology
rto_iso_lmp_node_id	string	The designation used to identify the price node in RTO/ISO Locational Marginal Price reports
rto_iso_location_wholesale_reporting_id	string	The designation used to report ths specific location of the wholesale sales transactions to FERC for the Electric Quarterly Report
solid_fuel_gasification	boolean	Indicates whether the generator is part of a solid fuel gasification system
stoker_tech	boolean	Indicates whether the generator uses stoker technology
subcritical_tech	boolean	Indicates whether the generator uses subcritical technology
supercritical_tech	boolean	Indicates whether the generator uses supercritical technology
topping_bottoming_code	string	If the generator is associated with a combined heat and power system, indicates whether the generator is part of a topping cycle or a bottoming cycle
ultrasupercritical_tech	boolean	Indicates whether the generator uses ultra-supercritical technology

hourly_emissions_epacems#

Hourly emissions and plant operational data reported via Continuous Emissions Monitoring Systems as required by 40 CFR Part 75. Browse or query this table in Datasette.

Field Name	Type	Description
co2_mass_measurement_code	string	Identifies whether the reported value of emissions was measured, calculated, or measured and substitute.
co2_mass_tons	number	Carbon dioxide emissions in short tons.
emissions_unit_id_epa	string	Emissions (smokestack) unit monitored by EPA CEMS.
gross_load_mw	number	Average power in megawatts delivered during time interval measured.
heat_content_mmbtu	number	The energy contained in fuel burned, measured in million BTU.
nox_mass_lbs	number	NOx emissions in pounds.
nox_mass_measurement_code	string	Identifies whether the reported value of emissions was measured, calculated, or measured and substitute.
operating_datetime_utc	datetime	Date and time measurement began (UTC).
operating_time_hours	number	Length of time interval measured.
plant_id_eia	integer	The unique six-digit facility identification number, also called an ORISPL, assigned by the Energy Information Administration.
plant_id_epa	integer	The ORISPL ID used by EPA to refer to the plant. Usually but not always the same as plant_id_eia.
so2_mass_lbs	number	Sulfur dioxide emissions in pounds.
so2_mass_measurement_code	string	Identifies whether the reported value of emissions was measured, calculated, or measured and substitute.
state	string	Two letter US state abbreviation.
steam_load_1000_lbs	number	Total steam pressure produced by a unit during the reported hour.
year	integer	Year the data was reported in, used for partitioning EPA CEMS.

momentary_interruptions_eia#

A coding table for utility definitions of momentary service interruptions. Browse or query this table in Datasette.

Field Name	Type	Description
code	string	Originally reported short code.
description	string	Long human-readable description of the meaning of a code/label.
label	string	Longer human-readable code using snake_case

operational_status_eia#

Codes and metadata pertaining to operational status reported to EIA. Compiled from EIA-860 instructions and EIA-923 file layout spreadsheets. Browse or query this table in Datasette.

Field Name	Type	Description
code	string	Originally reported short code.
description	string	Long human-readable description of the meaning of a code/label.
label	string	Longer human-readable code using snake_case
operational_status	string	The operating status of the generator. This is based on which tab the generator was listed in in EIA 860.

ownership_eia860#

Generator Ownership, reported in EIA-860 Schedule 4. Includes only jointly or third-party owned generators. Browse or query this table in Datasette.

Field Name	Type	Description
data_maturity	string	Level of maturity of the data record. Some data sources report less-than-final data. PUDL sometimes includes this data, but use at your own risk.
fraction_owned	number	Proportion of generator ownership.
generator_id	string	Generator ID is usually numeric, but sometimes includes letters. Make sure you treat it as a string!
owner_city	string	City of owner.
owner_country	string	Three letter ISO-3166 country code.
owner_name	string	Name of owner.
owner_state	string	Two letter ISO-3166 political subdivision code.
owner_street_address	string	Steet address of owner.
owner_utility_id_eia	integer	EIA-assigned owner's identification number.
owner_zip_code	string	Zip code of owner.
plant_id_eia	integer	The unique six-digit facility identification number, also called an ORISPL, assigned by the Energy Information Administration.
report_date	date	Date reported.
utility_id_eia	integer	The EIA Utility Identification number.

plant_in_service_ferc1#

Balances and changes to FERC Electric Plant in Service accounts, as reported on FERC Form 1. Data originally from the f1_plant_in_srvce table in FERC's FoxPro database. Account numbers correspond to the FERC Uniform System of Accounts for Electric Plant, which is defined in Code of Federal Regulations (CFR) Title 18, Chapter I, Subchapter C, Part 101. (See e.g. https://www.law.cornell.edu/cfr/text/18/part-101). Each FERC respondent reports starting and ending balances for each account annually. Balances are organization wide, and are not broken down on a per-plant basis. End of year balance should equal beginning year balance plus the sum of additions, retirements, adjustments, and transfers. Browse or query this table in Datasette.

Field Name	Type	Description
additions	number	Cost of acquisition of items classified within the account.
adjustments	number	Cost of adjustments to the account.
ending_balance	number	Account balance at end of year.
ferc_account	string	Actual FERC Account number (e.g. '359.1') if available, or a PUDL assigned ID when FERC accounts have been split or combined in reporting.
ferc_account_label	string	Long FERC account identifier derived from values reported in the XBRL taxonomies. May also refer to aggregations of individual FERC accounts.
record_id	string	Identifier indicating original FERC Form 1 source record. format: {table_name}_{report_year}_{report_prd}_{respondent_id}_{spplmnt_num}_{row_number}. Unique within FERC Form 1 DB tables which are not row-mapped.
report_year	integer	Four-digit year in which the data was reported.
retirements	number	Cost of disposal of items classified within the account.
row_type_xbrl	string	Indicates whether the value reported in the row is calculated, or uniquely reported within the table.
starting_balance	number	Account balance at beginning of year.
transfers	number	Cost of transfers into (out of) the account.
utility_id_ferc1	integer	PUDL-assigned utility ID, identifying a FERC1 utility. This is an auto-incremented ID and is not expected to be stable from year to year.

plant_parts_eia#

Output table with the aggregation of all EIA plant parts. For use with matching to FERC 1. Browse or query this table in Datasette.

Field Name	Type	Description
appro_part_label	string	Plant part of the associated true granularity record.
appro_record_id_eia	string	EIA record ID of the associated true granularity record.
capacity_eoy_mw	number	Total end of year installed (nameplate) capacity for a plant part, in megawatts.
capacity_factor	number	Fraction of potential generation that was actually reported for a plant part.
capacity_mw	number	Total installed (nameplate) capacity, in megawatts.
construction_year	integer	Year the plant's oldest still operational unit was built.
energy_source_code_1	string	The code representing the most predominant type of energy that fuels the generator.
ferc_acct_name	string	Name of FERC account, derived from technology description and prime mover code.
fraction_owned	number	Proportion of generator ownership.
fuel_cost_per_mmbtu	number	Average fuel cost per mmBTU of heat content in nominal USD.
fuel_cost_per_mwh	number	Derived from MCOE, a unit level value. Average fuel cost per MWh of heat content in nominal USD.
fuel_type_code_pudl	string	Simplified fuel type code used in PUDL
generator_id	string	Generator ID is usually numeric, but sometimes includes letters. Make sure you treat it as a string!
heat_rate_mmbtu_mwh	number	Fuel content per unit of electricity generated. Coming from MCOE calculation.
installation_year	integer	Year the plant's most recently built unit was installed.
net_generation_mwh	number	Net electricity generation for the specified period in megawatt-hours (MWh).
operating_year	integer	Year a generator went into service.
operational_status	string	The operating status of the generator. This is based on which tab the generator was listed in in EIA 860.
operational_status_pudl	string	The operating status of the generator using PUDL categories.
ownership_dupe	boolean	Whether a plant part record has a duplicate record with different ownership status.
ownership_record_type	string	Whether each generator record is for one owner or represents a total of all ownerships.
planned_retirement_date	date	Planned effective date of the scheduled retirement of the generator.
plant_id_eia	integer	The unique six-digit facility identification number, also called an ORISPL, assigned by the Energy Information Administration.
plant_id_pudl	integer	A manually assigned PUDL plant ID. May not be constant over time.
plant_id_report_year	string	PUDL plant ID and report year of the record.
plant_name_eia	string	Plant name.
plant_name_ppe	string	Derived plant name that includes EIA plant name and other strings associated with ID and PK columns of the plant part.
plant_part	string	The part of the plant a record corresponds to.
plant_part_id_eia	string	Contains EIA plant ID, plant part, ownership, and EIA utility id
prime_mover_code	string	Code for the type of prime mover (e.g. CT, CG)
record_count	integer	Number of distinct generator IDs that partcipated in the aggregation for a plant part list record.
report_date	date	Date reported.
report_year	integer	Four-digit year in which the data was reported.
retirement_date	date	Date of the scheduled or effected retirement of the generator.
technology_description	string	High level description of the technology used by the generator to produce electricity.
total_fuel_cost	number	Total annual reported fuel costs for the plant part. Includes costs from all fuels.
total_mmbtu	number	Total annual heat content of fuel consumed by a plant part record in the plant parts list.
true_gran	boolean	Indicates whether a plant part list record is associated with the highest priority plant part for all identical records.
unit_id_pudl	integer	Dynamically assigned PUDL unit id. WARNING: This ID is not guaranteed to be static long term as the input data and algorithm may evolve over time.
utility_id_eia	integer	The EIA Utility Identification number.
utility_id_pudl	integer	A manually assigned PUDL utility ID. May not be stable over time.

plants_eia#

Association between EIA Plant IDs and manually assigned PUDL Plant IDs Browse or query this table in Datasette.

Field Name	Type	Description
plant_id_eia	integer	The unique six-digit facility identification number, also called an ORISPL, assigned by the Energy Information Administration.
plant_id_pudl	integer	A manually assigned PUDL plant ID. May not be constant over time.
plant_name_eia	string	Plant name.

plants_eia860#

Annually varying plant attributes, compiled from across all EIA-860 and EIA-923 data. Browse or query this table in Datasette.

Field Name	Type	Description
ash_impoundment	boolean	Is there an ash impoundment (e.g. pond, reservoir) at the plant?
ash_impoundment_lined	boolean	If there is an ash impoundment at the plant, is the impoundment lined?
ash_impoundment_status	string	If there is an ash impoundment at the plant, the ash impoundment status as of December 31 of the reporting year.
balancing_authority_code_eia	string	EIA short code identifying a balancing authority.
balancing_authority_name_eia	string	Name of the balancing authority.
data_maturity	string	Level of maturity of the data record. Some data sources report less-than-final data. PUDL sometimes includes this data, but use at your own risk.
datum	string	Geodetic coordinate system identifier (e.g. NAD27, NAD83, or WGS84).
energy_storage	boolean	Indicates if the facility has energy storage capabilities.
ferc_cogen_docket_no	string	The docket number relating to the FERC cogenerator status. See FERC Form 556.
ferc_cogen_status	boolean	Indicates whether the plant has FERC qualifying facility cogenerator status. See FERC Form 556.
ferc_exempt_wholesale_generator	boolean	Indicates whether the plant has FERC qualifying facility exempt wholesale generator status
ferc_exempt_wholesale_generator_docket_no	string	The docket number relating to the FERC qualifying facility exempt wholesale generator status.
ferc_qualifying_facility_docket_no	string	The docket number relating to the FERC qualifying facility cogenerator status. See FERC Form 556.
ferc_small_power_producer	boolean	Indicates whether the plant has FERC qualifying facility small power producer status. See FERC Form 556.
ferc_small_power_producer_docket_no	string	The docket number relating to the FERC qualifying facility small power producer status. See FERC Form 556.
grid_voltage_1_kv	number	Plant's grid voltage at point of interconnection to transmission or distibution facilities
grid_voltage_2_kv	number	Plant's grid voltage at point of interconnection to transmission or distibution facilities
grid_voltage_3_kv	number	Plant's grid voltage at point of interconnection to transmission or distibution facilities
iso_rto_code	string	The code of the plant's ISO or RTO. NA if not reported in that year.
liquefied_natural_gas_storage	boolean	Indicates if the facility have the capability to store the natural gas in the form of liquefied natural gas.
natural_gas_local_distribution_company	string	Names of Local Distribution Company (LDC), connected to natural gas burning power plants.
natural_gas_pipeline_name_1	string	The name of the owner or operator of natural gas pipeline that connects directly to this facility or that connects to a lateral pipeline owned by this facility.
natural_gas_pipeline_name_2	string	The name of the owner or operator of natural gas pipeline that connects directly to this facility or that connects to a lateral pipeline owned by this facility.
natural_gas_pipeline_name_3	string	The name of the owner or operator of natural gas pipeline that connects directly to this facility or that connects to a lateral pipeline owned by this facility.
natural_gas_storage	boolean	Indicates if the facility have on-site storage of natural gas.
nerc_region	string	NERC region in which the plant is located
net_metering	boolean	Did this plant have a net metering agreement in effect during the reporting year? (Only displayed for facilities that report the sun or wind as an energy source). This field was only reported up until 2015
pipeline_notes	string	Additional owner or operator of natural gas pipeline.
plant_id_eia	integer	The unique six-digit facility identification number, also called an ORISPL, assigned by the Energy Information Administration.
primary_purpose_id_naics	integer	North American Industry Classification System (NAICS) code that best describes the primary purpose of the reporting plant
regulatory_status_code	string	Indicates whether the plant is regulated or non-regulated.
report_date	date	Date reported.
reporting_frequency_code	string	Code that specifies what time period data has to be reported (i.e. monthly data or annual totals) and how often the power plant reports this data to EIA. See reporting_frequencies_eia for more details.
sector_id_eia	integer	EIA assigned sector ID, corresponding to high level NAICS sector, designated by the primary purpose, regulatory status and plant-level combined heat and power status
sector_name_eia	string	EIA assigned sector name, corresponding to high level NAICS sector, designated by the primary purpose, regulatory status and plant-level combined heat and power status
service_area	string	Service area in which plant is located; for unregulated companies, it's the electric utility with which plant is interconnected
transmission_distribution_owner_id	integer	EIA-assigned code for owner of transmission/distribution system to which the plant is interconnected.
transmission_distribution_owner_name	string	Name of the owner of the transmission or distribution system to which the plant is interconnected.
transmission_distribution_owner_state	string	State location for owner of transmission/distribution system to which the plant is interconnected.
utility_id_eia	integer	The EIA Utility Identification number.
water_source	string	Name of water source associated with the plant.

plants_entity_eia#

Static plant attributes, compiled from across all EIA-860 and EIA-923 data. Browse or query this table in Datasette.

Field Name	Type	Description
city	string	N/A
county	string	County name.
latitude	number	Latitude of the plant's location, in degrees.
longitude	number	Longitude of the plant's location, in degrees.
plant_id_eia	integer	The unique six-digit facility identification number, also called an ORISPL, assigned by the Energy Information Administration.
plant_name_eia	string	Plant name.
state	string	Two letter US state abbreviation.
street_address	string	N/A
timezone	string	IANA timezone name
zip_code	string	Five digit US Zip Code.

plants_ferc1#

FERC 1 Plants and their associated manually assigned PUDL Plant IDs Browse or query this table in Datasette.

Field Name	Type	Description
plant_id_pudl	integer	A manually assigned PUDL plant ID. May not be constant over time.
plant_name_ferc1	string	Name of the plant, as reported to FERC. This is a freeform string, not guaranteed to be consistent across references to the same plant.
utility_id_ferc1	integer	PUDL-assigned utility ID, identifying a FERC1 utility. This is an auto-incremented ID and is not expected to be stable from year to year.

plants_hydro_ferc1#

Hydroelectric generating plant statistics for large plants. Large plants have an installed nameplate capacity of more than 10 MW. As reported on FERC Form 1, pages 406-407, and extracted from the f1_hydro table in FERC's FoxPro database. Browse or query this table in Datasette.

Field Name	Type	Description
asset_retirement_cost	number	Asset retirement cost (USD).
avg_num_employees	number	N/A
capacity_mw	number	Total installed (nameplate) capacity, in megawatts.
capex_equipment	number	Cost of plant: equipment (USD).
capex_facilities	number	Cost of plant: reservoirs, dams, and waterways (USD).
capex_land	number	Cost of plant: land and land rights (USD).
capex_per_mw	number	Cost of plant per megawatt of installed (nameplate) capacity. Nominal USD.
capex_roads	number	Cost of plant: roads, railroads, and bridges (USD).
capex_structures	number	Cost of plant: structures and improvements (USD).
capex_total	number	Total cost of plant (USD).
construction_type	string	Type of plant construction ('outdoor', 'semioutdoor', or 'conventional'). Categorized by PUDL based on our best guess of intended value in FERC1 freeform strings.
construction_year	integer	Year the plant's oldest still operational unit was built.
installation_year	integer	Year the plant's most recently built unit was installed.
net_capacity_adverse_conditions_mw	number	Net plant capability under the least favorable operating conditions, in megawatts.
net_capacity_favorable_conditions_mw	number	Net plant capability under the most favorable operating conditions, in megawatts.
net_generation_mwh	number	Net electricity generation for the specified period in megawatt-hours (MWh).
opex_dams	number	Production expenses: maintenance of reservoirs, dams, and waterways (USD).
opex_electric	number	Production expenses: electric expenses (USD).
opex_engineering	number	Production expenses: maintenance, supervision, and engineering (USD).
opex_generation_misc	number	Production expenses: miscellaneous power generation expenses (USD).
opex_hydraulic	number	Production expenses: hydraulic expenses (USD).
opex_misc_plant	number	Production expenses: maintenance of miscellaneous hydraulic plant (USD).
opex_operations	number	Production expenses: operations, supervision, and engineering (USD).
opex_per_mwh	number	Total production expenses (USD per MWh generated).
opex_plant	number	Production expenses: maintenance of electric plant (USD).
opex_rents	number	Production expenses: rents (USD).
opex_structures	number	Production expenses: maintenance of structures (USD).
opex_total	number	Total production expenses, excluding fuel (USD).
opex_water_for_power	number	Production expenses: water for power (USD).
peak_demand_mw	number	Net peak demand for 60 minutes. Note: in some cases peak demand for other time periods may have been reported instead, if hourly peak demand was unavailable.
plant_hours_connected_while_generating	number	Hours the plant was connected to load while generating in the report year.
plant_name_ferc1	string	Name of the plant, as reported to FERC. This is a freeform string, not guaranteed to be consistent across references to the same plant.
plant_type	string	N/A
project_num	integer	FERC Licensed Project Number.
record_id	string	Identifier indicating original FERC Form 1 source record. format: {table_name}_{report_year}_{report_prd}_{respondent_id}_{spplmnt_num}_{row_number}. Unique within FERC Form 1 DB tables which are not row-mapped.
report_year	integer	Four-digit year in which the data was reported.
utility_id_ferc1	integer	PUDL-assigned utility ID, identifying a FERC1 utility. This is an auto-incremented ID and is not expected to be stable from year to year.

plants_pudl#

Home table for PUDL assigned plant IDs. These IDs are manually generated each year when new FERC and EIA reporting is integrated, and any newly identified plants are added to the list with a new ID. Each ID maps to a power plant which is reported in at least one FERC or EIA data set. This table is read in from a spreadsheet stored in the PUDL repository: src/pudl/package_data/glue/pudl_id_mapping.xlsx Browse or query this table in Datasette.

Field Name	Type	Description
plant_id_pudl	integer	A manually assigned PUDL plant ID. May not be constant over time.
plant_name_pudl	string	Plant name, chosen arbitrarily from the several possible plant names available in the plant matching process. Included for human readability only.

plants_pumped_storage_ferc1#

Generating plant statistics for hydroelectric pumped storage plants with an installed nameplate capacity of 10+ MW. As reported on page 408 of FERC Form 1 and extracted from the f1_pumped_storage table in FERC's FoxPro Database. Browse or query this table in Datasette.

Field Name	Type	Description
asset_retirement_cost	number	Asset retirement cost (USD).
avg_num_employees	number	N/A
capacity_mw	number	Total installed (nameplate) capacity, in megawatts.
capex_equipment_electric	number	Cost of plant: accessory electric equipment (USD).
capex_equipment_misc	number	Cost of plant: miscellaneous power plant equipment (USD).
capex_facilities	number	Cost of plant: reservoirs, dams, and waterways (USD).
capex_land	number	Cost of plant: land and land rights (USD).
capex_per_mw	number	Cost of plant per megawatt of installed (nameplate) capacity. Nominal USD.
capex_roads	number	Cost of plant: roads, railroads, and bridges (USD).
capex_structures	number	Cost of plant: structures and improvements (USD).
capex_total	number	Total cost of plant (USD).
capex_wheels_turbines_generators	number	Cost of plant: water wheels, turbines, and generators (USD).
construction_type	string	Type of plant construction ('outdoor', 'semioutdoor', or 'conventional'). Categorized by PUDL based on our best guess of intended value in FERC1 freeform strings.
construction_year	integer	Year the plant's oldest still operational unit was built.
energy_used_for_pumping_mwh	number	Energy used for pumping, in megawatt-hours.
installation_year	integer	Year the plant's most recently built unit was installed.
net_generation_mwh	number	Net electricity generation for the specified period in megawatt-hours (MWh).
net_load_mwh	number	Net output for load (net generation - energy used for pumping) in megawatt-hours.
opex_dams	number	Production expenses: maintenance of reservoirs, dams, and waterways (USD).
opex_electric	number	Production expenses: electric expenses (USD).
opex_engineering	number	Production expenses: maintenance, supervision, and engineering (USD).
opex_generation_misc	number	Production expenses: miscellaneous power generation expenses (USD).
opex_misc_plant	number	Production expenses: maintenance of miscellaneous hydraulic plant (USD).
opex_operations	number	Production expenses: operations, supervision, and engineering (USD).
opex_per_mwh	number	Total production expenses (USD per MWh generated).
opex_plant	number	Production expenses: maintenance of electric plant (USD).
opex_production_before_pumping	number	Total production expenses before pumping (USD).
opex_pumped_storage	number	Production expenses: pumped storage (USD).
opex_pumping	number	Production expenses: We are here to PUMP YOU UP! (USD).
opex_rents	number	Production expenses: rents (USD).
opex_structures	number	Production expenses: maintenance of structures (USD).
opex_total	number	Total production expenses, excluding fuel (USD).
opex_water_for_power	number	Production expenses: water for power (USD).
peak_demand_mw	number	Net peak demand for 60 minutes. Note: in some cases peak demand for other time periods may have been reported instead, if hourly peak demand was unavailable.
plant_capability_mw	number	Net plant capability in megawatts.
plant_hours_connected_while_generating	number	Hours the plant was connected to load while generating in the report year.
plant_name_ferc1	string	Name of the plant, as reported to FERC. This is a freeform string, not guaranteed to be consistent across references to the same plant.
project_num	integer	FERC Licensed Project Number.
record_id	string	Identifier indicating original FERC Form 1 source record. format: {table_name}_{report_year}_{report_prd}_{respondent_id}_{spplmnt_num}_{row_number}. Unique within FERC Form 1 DB tables which are not row-mapped.
report_year	integer	Four-digit year in which the data was reported.
utility_id_ferc1	integer	PUDL-assigned utility ID, identifying a FERC1 utility. This is an auto-incremented ID and is not expected to be stable from year to year.

plants_small_ferc1#

Generating plant statistics for steam plants with less than 25 MW installed nameplate capacity and internal combustion plants, gas turbine-plants, conventional hydro plants, and pumped storage plants with less than 10 MW installed nameplate capacity. As reported on FERC Form 1 pages 410-411, and extracted from the FERC FoxPro database table f1_gnrt_plant. Browse or query this table in Datasette.

Field Name	Type	Description
capacity_mw	number	Total installed (nameplate) capacity, in megawatts.
capex_per_mw	number	Cost of plant per megawatt of installed (nameplate) capacity. Nominal USD.
capex_total	number	Total cost of plant (USD).
construction_year	integer	Year the plant's oldest still operational unit was built.
fuel_cost_per_mmbtu	number	Average fuel cost per mmBTU of heat content in nominal USD.
fuel_type	string	N/A
license_id_ferc1	integer	FERC issued operating license ID for the facility, if available. This value is extracted from the original plant name where possible.
net_generation_mwh	number	Net electricity generation for the specified period in megawatt-hours (MWh).
opex_fuel	number	Production expenses: fuel (USD).
opex_maintenance	number	Production expenses: Maintenance (USD).
opex_operations	number	Production expenses: operations, supervision, and engineering (USD).
peak_demand_mw	number	Net peak demand for 60 minutes. Note: in some cases peak demand for other time periods may have been reported instead, if hourly peak demand was unavailable.
plant_name_ferc1	string	Name of the plant, as reported to FERC. This is a freeform string, not guaranteed to be consistent across references to the same plant.
plant_type	string	N/A
record_id	string	Identifier indicating original FERC Form 1 source record. format: {table_name}_{report_year}_{report_prd}_{respondent_id}_{spplmnt_num}_{row_number}. Unique within FERC Form 1 DB tables which are not row-mapped.
report_year	integer	Four-digit year in which the data was reported.
utility_id_ferc1	integer	PUDL-assigned utility ID, identifying a FERC1 utility. This is an auto-incremented ID and is not expected to be stable from year to year.

plants_steam_ferc1#

Generating plant statistics for steam plants with a capacity of 25+ MW, internal combustion and gas-turbine plants of 10+ MW, and all nuclear plants. As reported on page 402 of FERC Form 1 and extracted from the f1_gnrt_plant table in FERC's FoxPro Database. Browse or query this table in Datasette.

Field Name	Type	Description
asset_retirement_cost	number	Asset retirement cost (USD).
avg_num_employees	number	N/A
capacity_mw	number	Total installed (nameplate) capacity, in megawatts.
capex_equipment	number	Cost of plant: equipment (USD).
capex_land	number	Cost of plant: land and land rights (USD).
capex_per_mw	number	Cost of plant per megawatt of installed (nameplate) capacity. Nominal USD.
capex_structures	number	Cost of plant: structures and improvements (USD).
capex_total	number	Total cost of plant (USD).
construction_type	string	Type of plant construction ('outdoor', 'semioutdoor', or 'conventional'). Categorized by PUDL based on our best guess of intended value in FERC1 freeform strings.
construction_year	integer	Year the plant's oldest still operational unit was built.
installation_year	integer	Year the plant's most recently built unit was installed.
net_generation_mwh	number	Net electricity generation for the specified period in megawatt-hours (MWh).
not_water_limited_capacity_mw	number	Plant capacity in MW when not limited by condenser water.
opex_allowances	number	Allowances.
opex_boiler	number	Maintenance of boiler (or reactor) plant.
opex_coolants	number	Cost of coolants and water (nuclear plants only)
opex_electric	number	Production expenses: electric expenses (USD).
opex_engineering	number	Production expenses: maintenance, supervision, and engineering (USD).
opex_fuel	number	Production expenses: fuel (USD).
opex_misc_power	number	Miscellaneous steam (or nuclear) expenses.
opex_misc_steam	number	Maintenance of miscellaneous steam (or nuclear) plant.
opex_operations	number	Production expenses: operations, supervision, and engineering (USD).
opex_per_mwh	number	Total production expenses (USD per MWh generated).
opex_plants	number	Maintenance of electrical plant.
opex_production_total	number	Total operating expenses.
opex_rents	number	Production expenses: rents (USD).
opex_steam	number	Steam expenses.
opex_steam_other	number	Steam from other sources.
opex_structures	number	Production expenses: maintenance of structures (USD).
opex_transfer	number	Steam transferred (Credit).
peak_demand_mw	number	Net peak demand for 60 minutes. Note: in some cases peak demand for other time periods may have been reported instead, if hourly peak demand was unavailable.
plant_capability_mw	number	Net plant capability in megawatts.
plant_hours_connected_while_generating	number	Hours the plant was connected to load while generating in the report year.
plant_id_ferc1	integer	Algorithmically assigned PUDL FERC Plant ID. WARNING: NOT STABLE BETWEEN PUDL DB INITIALIZATIONS.
plant_name_ferc1	string	Name of the plant, as reported to FERC. This is a freeform string, not guaranteed to be consistent across references to the same plant.
plant_type	string	N/A
record_id	string	Identifier indicating original FERC Form 1 source record. format: {table_name}_{report_year}_{report_prd}_{respondent_id}_{spplmnt_num}_{row_number}. Unique within FERC Form 1 DB tables which are not row-mapped.
report_year	integer	Four-digit year in which the data was reported.
utility_id_ferc1	integer	PUDL-assigned utility ID, identifying a FERC1 utility. This is an auto-incremented ID and is not expected to be stable from year to year.
water_limited_capacity_mw	number	Plant capacity in MW when limited by condenser water.

political_subdivisions#

Various static attributes associated with states, provinces, and other sub- national political subdivisions. Browse or query this table in Datasette.

Field Name	Type	Description
country_code	string	Three letter ISO-3166 country code (e.g. USA or CAN).
country_name	string	Full country name (e.g. United States of America).
division_code_us_census	string	Three-letter US Census division code as it appears in the bulk electricity data published by the EIA. Note that EIA splits the Pacific division into distinct contiguous (CA, OR, WA) and non-contiguous (AK, HI) states. For reference see this US Census region and division map: https://www2.census.gov/geo/pdfs/maps-data/maps/reference/us_regdiv.pdf
division_name_us_census	string	Longer human readable name describing the US Census division.
is_epacems_state	boolean	Indicates whether the associated state reports data within the EPA's Continuous Emissions Monitoring System.
region_name_us_census	string	Human-readable name of a US Census region.
state_id_fips	string	Two digit state FIPS code.
subdivision_code	string	Two-letter ISO-3166 political subdivision code (e.g. US state or Canadian provice abbreviations like CA or AB).
subdivision_name	string	Full name of political subdivision (e.g. US state or Canadian province names like California or Alberta.
subdivision_type	string	ISO-3166 political subdivision type. E.g. state, province, outlying_area.
timezone_approx	string	IANA timezone name of the timezone which encompasses the largest portion of the population in the associated geographic area.

power_purchase_types_ferc1#

Coding table defining different types of electricity power purchases. Browse or query this table in Datasette.

Field Name	Type	Description
code	string	Originally reported short code.
description	string	Long human-readable description of the meaning of a code/label.
label	string	Longer human-readable code using snake_case

prime_movers_eia#

Long descriptions explaining the short prime mover codes reported in the EIA-860 and EIA-923. Browse or query this table in Datasette.

Field Name	Type	Description
code	string	Originally reported short code.
description	string	Long human-readable description of the meaning of a code/label.
label	string	Longer human-readable code using snake_case

purchased_power_ferc1#

Purchased Power (Account 555) including power exchanges (i.e. transactions involving a balancing of debits and credits for energy, capacity, etc.) and any settlements for imbalanced exchanges. Reported on pages 326-327 of FERC Form 1. Extracted from the f1_purchased_pwr table in FERC's FoxPro database. Browse or query this table in Datasette.

Field Name	Type	Description
billing_demand_mw	number	Monthly average billing demand (for requirements purchases, and any transactions involving demand charges). In megawatts.
coincident_peak_demand_mw	number	Average monthly coincident peak (CP) demand (for requirements purchases, and any transactions involving demand charges). Monthly CP demand is the metered demand during the hour (60-minute integration) in which the supplier's system reaches its monthly peak. In megawatts.
delivered_mwh	number	Gross megawatt-hours delivered in power exchanges and used as the basis for settlement.
demand_charges	number	Demand charges (USD).
energy_charges	number	Energy charges (USD).
non_coincident_peak_demand_mw	number	Average monthly non-coincident peak (NCP) demand (for requirements purhcases, and any transactions involving demand charges). Monthly NCP demand is the maximum metered hourly (60-minute integration) demand in a month. In megawatts.
other_charges	number	Other charges, including out-of-period adjustments (USD).
purchase_type_code	string	Categorization based on the original contractual terms and conditions of the service. Must be one of 'requirements', 'long_firm', 'intermediate_firm', 'short_firm', 'long_unit', 'intermediate_unit', 'electricity_exchange', 'other_service', or 'adjustment'. Requirements service is ongoing high reliability service, with load integrated into system resource planning. 'Long term' means 5+ years. 'Intermediate term' is 1-5 years. 'Short term' is less than 1 year. 'Firm' means not interruptible for economic reasons. 'unit' indicates service from a particular designated generating unit. 'exchange' is an in-kind transaction.
purchased_mwh	number	Megawatt-hours shown on bills rendered to the respondent.
received_mwh	number	Gross megawatt-hours received in power exchanges and used as the basis for settlement.
record_id	string	Identifier indicating original FERC Form 1 source record. format: {table_name}_{report_year}_{report_prd}_{respondent_id}_{spplmnt_num}_{row_number}. Unique within FERC Form 1 DB tables which are not row-mapped.
report_year	integer	Four-digit year in which the data was reported.
seller_name	string	Name of the seller, or the other party in an exchange transaction.
tariff	string	FERC Rate Schedule Number or Tariff. (Note: may be incomplete if originally reported on multiple lines.)
total_settlement	number	Sum of demand, energy, and other charges (USD). For power exchanges, the settlement amount for the net receipt of energy. If more energy was delivered than received, this amount is negative.
utility_id_ferc1	integer	PUDL-assigned utility ID, identifying a FERC1 utility. This is an auto-incremented ID and is not expected to be stable from year to year.

reporting_frequencies_eia#

A coding table describing different types of reporting frequencies in plants in the EIA-923. Browse or query this table in Datasette.

Field Name	Type	Description
code	string	Originally reported short code.
description	string	Long human-readable description of the meaning of a code/label.
label	string	Longer human-readable code using snake_case

respondent_id_ferc714#

Respondent identification. FERC Form 714, Part I, Schedule 1. Browse or query this table in Datasette.

Field Name	Type	Description
eia_code	integer	N/A
respondent_id_ferc714	integer	N/A
respondent_name_ferc714	string	N/A

sector_consolidated_eia#

Long descriptions for the EIA consolidated NAICS sector codes. Codes and descriptions taken from the EIA-923 File Layout spreadsheet. Browse or query this table in Datasette.

Field Name	Type	Description
code	integer	Originally reported short code.
description	string	Long human-readable description of the meaning of a code/label.
label	string	Longer human-readable code using snake_case

steam_plant_types_eia#

A coding table describing different types of steam plants in the EIA-860. Browse or query this table in Datasette.

Field Name	Type	Description
code	string	Originally reported short code.
description	string	Long human-readable description of the meaning of a code/label.
label	string	Longer human-readable code using snake_case

utilities_eia#

Associations between the EIA Utility IDs and the manually assigned PUDL Utility IDs. Browse or query this table in Datasette.

Field Name	Type	Description
utility_id_eia	integer	The EIA Utility Identification number.
utility_id_pudl	integer	A manually assigned PUDL utility ID. May not be stable over time.
utility_name_eia	string	The name of the utility.

utilities_eia860#

Annually varying utility attributes, compiled from all EIA data. Browse or query this table in Datasette.

Field Name	Type	Description
address_2	string	N/A
attention_line	string	N/A
city	string	N/A
contact_firstname	string	First name of utility contact 1.
contact_firstname_2	string	First name of utility contact 2.
contact_lastname	string	Last name of utility contact 1.
contact_lastname_2	string	Last name of utility contact 2.
contact_title	string	Title of of utility contact 1.
contact_title_2	string	Title of utility contact 2.
data_maturity	string	Level of maturity of the data record. Some data sources report less-than-final data. PUDL sometimes includes this data, but use at your own risk.
entity_type	string	Entity type of principal owner.
phone_extension	string	Phone extension for utility contact 1
phone_extension_2	string	Phone extension for utility contact 2
phone_number	string	Phone number for utility contact 1.
phone_number_2	string	Phone number for utility contact 2.
plants_reported_asset_manager	boolean	Is the reporting entity an asset manager of power plants reported on Schedule 2 of the form?
plants_reported_operator	boolean	Is the reporting entity an operator of power plants reported on Schedule 2 of the form?
plants_reported_other_relationship	boolean	Does the reporting entity have any other relationship to the power plants reported on Schedule 2 of the form?
plants_reported_owner	boolean	Is the reporting entity an owner of power plants reported on Schedule 2 of the form?
report_date	date	Date reported.
state	string	Two letter US state abbreviation.
street_address	string	N/A
utility_id_eia	integer	The EIA Utility Identification number.
zip_code	string	Five digit US Zip Code.
zip_code_4	string	Four digit US Zip Code suffix.

utilities_entity_eia#

Static attributes of utilities, compiled from all EIA data. Browse or query this table in Datasette.

Field Name	Type	Description
utility_id_eia	integer	The EIA Utility Identification number.
utility_name_eia	string	The name of the utility.

utilities_ferc1#

This table maps two manually assigned utility IDs: a PUDL ID and a FERC1 ID. The PUDL ID maps EIA and FERC1 utilities. The FERC1 ID maps the older DBF respondent IDs to new XBRL entity IDs. This table is generated from a table stored in the PUDL repository: src/package_data/glue/utility_id_pudl.csv Browse or query this table in Datasette.

Field Name	Type	Description
utility_id_ferc1	integer	PUDL-assigned utility ID, identifying a FERC1 utility. This is an auto-incremented ID and is not expected to be stable from year to year.
utility_id_pudl	integer	A manually assigned PUDL utility ID. May not be stable over time.
utility_name_ferc1	string	Name of the responding utility, as it is reported in FERC Form 1. For human readability only.

utilities_ferc1_dbf#

This table maps the assign utility ID FERC1 to the native utility ID from the FERC1 DBF inputs - originally reported as respondent_id. Browse or query this table in Datasette.

Field Name	Type	Description
utility_id_ferc1	integer	PUDL-assigned utility ID, identifying a FERC1 utility. This is an auto-incremented ID and is not expected to be stable from year to year.
utility_id_ferc1_dbf	integer	FERC-assigned respondent_id from DBF reporting years, identifying the reporting entity. Stable from year to year.

utilities_ferc1_xbrl#

This table maps the assign utility ID FERC1 to the native utility ID from the FERC1 XBRL inputs - originally reported as entity_id. Browse or query this table in Datasette.

Field Name	Type	Description
utility_id_ferc1	integer	PUDL-assigned utility ID, identifying a FERC1 utility. This is an auto-incremented ID and is not expected to be stable from year to year.
utility_id_ferc1_xbrl	string	FERC-assigned entity_id from XBRL reporting years, identifying the reporting entity. Stable from year to year.

utilities_pudl#

Home table for PUDL assigned utility IDs. These IDs are manually generated each year when new FERC and EIA reporting is integrated, and any newly found utilities are added to the list with a new ID. Each ID maps to a power plant owning or operating entity which is reported in at least one FERC or EIA data set. This table is read in from a spreadsheet stored in the PUDL repository: src/pudl/package_data/glue/pudl_id_mapping.xlsx Browse or query this table in Datasette.

Field Name	Type	Description
utility_id_pudl	integer	A manually assigned PUDL utility ID. May not be stable over time.
utility_name_pudl	string	Utility name, chosen arbitrarily from the several possible utility names available in the utility matching process. Included for human readability only.

utility_plant_assn#

No table description available. Browse or query this table in Datasette.

Field Name	Type	Description
plant_id_pudl	integer	A manually assigned PUDL plant ID. May not be constant over time.
utility_id_pudl	integer	A manually assigned PUDL utility ID. May not be stable over time.