Electric utility · EIA utility id 7490
Grand River Dam Authority
- Ownership, as EIA reports it
- State
- States served
- OK
- Customers in 2025
- 78
- Sales in 2025
- 5,091,176 MWh
- Revenue in 2025
- $252,124,300
U.S. Energy Information Administration · Annual Electric Power Industry Report (Form EIA-861) · data for 2025 · as of Oct 7, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Oct 7, 2027. Last checked for an update: Oct 31, 2026.
What it sells and charges
Full service (energy and delivery)
| Sector | Customers | Sales (MWh) | Revenue | Average price (cents per kWh) |
|---|---|---|---|---|
| Commercial | 49 | 9,290 | $821,500 | 8.84 |
| Industrial | 29 | 5,081,886 | $251,302,800 | 4.95 |
Trends, 2021 to 2025
Trend table
| Year | Customers |
|---|---|
| 2021 | 78 |
| 2022 | 78 |
| 2023 | 76 |
| 2024 | 79 |
| 2025 | 78 |
U.S. Energy Information Administration · Annual Electric Power Industry Report (Form EIA-861), 2021 to 2025 · data for 2021-2025 · as of Oct 7, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Oct 7, 2027. Last checked for an update: Oct 31, 2026.
Annual peak demand
Not reported to FERC. Only utilities that plan or balance their own system file Form 714.
Its balancing authority, Southwest Power Pool, peaked at 59,049 MW in 2025. That is the balancing authority's peak, not this utility's.
Catalyst Cooperative (PUDL), from FERC Form 714 · Annual peak demand by planning area (FERC Form 714, through PUDL) · data for 2006-2025 · as of Oct 14, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date.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.
Reliability
| State | Standard | SAIDI with major events (minutes) | SAIFI with major events | SAIDI without major events (minutes) | SAIFI without major events |
|---|---|---|---|---|---|
| OK | The utility's own | 13.47 | 0.32 | 13.47 | 0.32 |
SAIDI is the average minutes without power per customer in the year; SAIFI is how many outages the average customer had. Major event days are storms and similar rare days, counted with and without.
Generation it operates
| Fuel | Capacity | Net generation in 2025 |
|---|---|---|
| Natural gas | 600.3 MW | 2,658,945 MWh |
| Subbituminous coal | 594 MW | 1,337,739 MWh |
| Hydro | 517.7 MW | 676,631 MWh |
This is generation the utility operates, not the full mix of power it buys. EIA does not publish that mix for each utility.
Plants it operates
Published rates
26 rates in the OpenEI database, newest updated Nov 17, 2020.
OpenEI (National Laboratory of the Rockies), with rates entered by contributors · U.S. Utility Rate Database (OpenEI) · data for 2026-10 · as of Oct 30, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Nov 30, 2026. Last checked for an update: Oct 31, 2026.