Grand River Dam Authority electricity rates
State-owned utility · Oklahoma · SPP region · SPP
Grand River Dam Authority is a state-owned power authority, serving 0 homes in Oklahoma. Its residential customers pay an average of —/kWh including fixed and delivery charges.
Rate basis: .
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Grand River Dam Authority bill estimates
| Monthly use | At average all-in rate |
|---|---|
| 500 kWh | — |
| 1,000 kWh | — |
| 1,500 kWh | — |
| 2,000 kWh | — |
Outages & reliability
Right now
Checking live outages…
Reliability history
| 2025 | Grand River Dam Authority | Oklahoma avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 14 | 287 | 266 |
| Outages per customer (SAIFI) | 0.32 | 1.82 | 1.34 |
| Average restoration time (CAIDI) | 42 min | — | — |
| Outage minutes excluding major storms | 14 | 142 | 121 |
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across Grand River Dam Authority's counties, customers averaged 4 hr 44 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Mayes | 284 | 88 | 2,851 | 2025-01-30 |
Grand River Dam Authority service area
Grand River Dam Authority serves Mayes County in Oklahoma and 1 ZIP codes.
Mayes
Cities: Pryor Creek, Pryor
Programs, smart meters & solar
| Smart meters (AMI) for homes | — |
| Time-based rate programs | None reported |
| Net-metered solar homes | 0 reported |
Grand River Dam Authority at a glance
| Ownership | State-owned utility |
| Services | Generation, Transmission, Distribution, Wholesale Marketing |
| Commercial rate | 9.24¢/kWh |
| Industrial rate | 5.17¢/kWh |
| Peak demand | 1,294 MW summer · 1,072 MW winter |
| Power from own generation | 60% (rest purchased) |
| Line losses | 2.2% |
| Balancing authority | SWPP |
| EIA utility ID | 7490 |
Other utilities in Oklahoma
Frequently asked questions
What is Grand River Dam Authority's electricity rate?
Grand River Dam Authority residential customers pay an average of — per kWh, all charges included (EIA data). .
What is the average Grand River Dam Authority electric bill?
EIA doesn't publish residential sales for Grand River Dam Authority.
How many customers does Grand River Dam Authority have?
Grand River Dam Authority serves 0 residential customers and 78 customers in total in Oklahoma, across 1 county.
How reliable is Grand River Dam Authority?
In 2025, the average Grand River Dam Authority customer was without power for 14 min (SAIDI) over 0.32 interruptions (SAIFI), including major storms. Excluding major event days it was 14 min. The Oklahoma average was 4 hr 47 min and the U.S. average 4 hr 26 min.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with Grand River Dam Authority before making decisions.