Revenue-requirement inputs from FERC Form 1 (through PUDL)
Catalyst Cooperative (PUDL), from FERC Form 1
For each electric utility that files FERC Form 1: operation and maintenance expense, depreciation and amortization, taxes other than income, operating revenue, and PUDL's rate base by category, total-company, with the EIA utility ids PUDL maps it to.
Not included: No gas or common-plant figures, no state jurisdictional split, and no utility that does not file Form 1 (most co-ops and municipal utilities).
Catalyst Cooperative (PUDL), from FERC Form 1 · Revenue-requirement inputs from FERC Form 1 (through PUDL) · data for 1994-2025 · as of Oct 14, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Jan 14, 2027. Last checked for an update: Oct 31, 2026.
Generated Oct 31, 2026
Next release expected around Jan 14, 2027, judged from the usual schedule.
How we share it
We republish this data and our tables made from it.
The publisher’s terms, as captured on Oct 31, 2026:
In general, our code, data, and other work are permissively licensed for use by anybody, for any purpose, so long as you give us credit for the work we've done. The PUDL software is released under the MIT License. The PUDL data and documentation are published under the Creative Commons Attribution License v4.0 (CC-BY-4.0).
Credit
Catalyst Cooperative, Public Utility Data Liberation (PUDL) v2026.10.0, CC BY 4.0, from FERC Form 1.
Critical infrastructure screen
Screened automatically on Oct 31, 2026 under 18 CFR 388.113: not grid infrastructure, and none of its 14 columns holds a location or network detail.
Publishers and rights holders: if you want this data removed or reduced to a link, report it with the button below and we will do it first and discuss after.
Download
- revenue_inputs: 6,835 rows, gzip CSV, 404,263 bytes
SHA-256 da4fc993fe6d1d19cbee6af3a5c3ad8c2985dc7ffe6c58f2d4ee4be3e5bb45a6License: CC-BY-4.0. Credits: Catalyst Cooperative, Public Utility Data Liberation (PUDL) v2026.10.0, CC BY 4.0, from FERC Form 1.
First version: no earlier version to compare.
Stable file addresses
Permanent: /data/pudl-ferc1/2026-10/<file> · Latest: /data/pudl-ferc1/latest/<file>
Every version stays at its permanent address. The latest address redirects to the current version, and both can be read from any website or notebook. How the data addresses work
How to cite this version
Catalyst Cooperative (PUDL), from FERC Form 1. Revenue-requirement inputs from FERC Form 1 (through PUDL), data for 1994-2025, released Oct 14, 2026. Redistributed by gridprims.com, version 2026-10, manifest SHA-256 35ec4d30e2c079c6ad3465a7547144f273c2278ff5664b8e85af1395d486c855. https://gridprims.com/data/pudl-ferc1/2026-10/
Publisher’s original file
- core_ferc1__yearly_income_statements_sched114.parquet, 2,420,902 bytes, SHA-256 fe797e5704ec2c4ead48ecfac5a628a47cd771d9219938b19da4747babf529be
- out_ferc1__yearly_rate_base.parquet, 2,840,872 bytes, SHA-256 ccb899408adfc522b322690f70a2e536922a078c9b5c3f86a48bafcccef6e72d
- core_pudl__assn_ferc1_pudl_utilities.parquet, 14,275 bytes, SHA-256 204d9de4e8a3299eae30e7c58f14e09a2b13597c9d2748dac96df6b274690e76
- core_pudl__assn_eia_pudl_utilities.parquet, 323,218 bytes, SHA-256 1907b79291ee2ccf68201e4b8c7ee3d7af5458ff89e6ed1a93cddce13dfbc453
Versions
| Version | Data period | Retrieved | Manifest and SHA-256 |
|---|---|---|---|
| 2026-10 (current) | 1994-2025 | Oct 31, 2026 | manifest.json 35ec4d30e2c079c6ad3465a7547144f273c2278ff5664b8e85af1395d486c855 |
Columns: Revenue-requirement inputs per electric Form 1 respondent and year, total-company
| Column | Type | Unit |
|---|---|---|
| year | f64 | |
| utility_id_ferc1 | f64 | |
| utility_name_ferc1 | str | |
| utility_ids_eia | str | space-separated EIA utility ids |
| operation_expense | f64 | $ |
| maintenance_expense | f64 | $ |
| depreciation_expense | f64 | $ |
| amortization_expense | f64 | $ |
| taxes_other_than_income | f64 | $ |
| operating_revenues | f64 | $ |
| rate_base | f64 | $ |
| rate_base_net_adit | f64 | $ |
| rate_base_working_capital | f64 | $ |
| rate_base_plant_and_other | f64 | $ |