out_ferc1__yearly_depreciation_by_function_sched219
Return to SearchAnnual time series of ending balances in accumulated provision for depreciation of electric utility plant.
- Most-recent data:
2024
- Processing:
Data has been expanded into a wide/denormalized format, with IDs and codes accompanied by human-readable names and descriptions.
- Source:
FERC Form 1 -- Annual Report of Major Electric Utilities (Schedule 219 - Section B)
- Primary key:
utility_id_ferc1, report_year, depreciation_type, plant_function, plant_status, utility_type
Usage Warnings
Some columns contain subtotals; use caution when choosing columns to aggregate.
FERC data is notoriously difficult to extract cleanly, and often contains free-form strings, non-labeled total rows and lack of IDs. See Notable Irregularities for details.
Additional Details
Electric utility plant refers to FERC Account 108. Section B includes the Balances at End of Year According to Functional Classification (plant_function).
Columns
Four-digit year in which the data was reported.
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.
FERC-assigned respondent_id from DBF reporting years, identifying the reporting entity. Stable from year to year.
FERC-assigned entity_id from XBRL reporting years, identifying the reporting entity. Stable from year to year.
A manually assigned PUDL utility ID. May not be stable over time.
Name of the responding utility, as it is reported in FERC Form 1. For human readability only.
Type of depreciation provision within FERC Account 108, including cost ofremoval, depreciation expenses, salvage, cost of retired plant, etc.
Functional role played by utility plant (steam production, nuclear production, distribution, transmission, etc.).
Utility plant financial status (in service, future, leased, total).
Listing of utility plant types. Examples include Electric Utility, Gas Utility, and Other Utility.
Account balance at end of year.
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.
Indication of whether a column is a credit or debit, as reported in the XBRL taxonomy.
Indicates whether the value reported in the row is calculated, or uniquely reported within the table.