State utility · · OK
Grand River Dam Authority
In 2025, the average Grand River Dam Authority customer in Oklahoma was without power for 14 minutes (14 min), 95% less than the median Oklahoma utility.
Outage minutes per customer 14min 2025, including major storms
Excluding major storm days 14min The everyday reliability of the network
Outages per customer a year 0.32 SAIFI, 2025
Residential price –¢/kWh Not reported
Reliability
Minutes in the dark, year by year
Average minutes without power per customer in Oklahoma (SAIDI), with and without major event days, against the median Oklahoma utility.
Territory
Counties served
Counties where Grand River Dam Authority reports customers. Open one for its full outage history.
Oklahoma
Source: U.S. Energy Information Administration, Form EIA-861, 2018–2025. Reliability uses the IEEE 1366 standard where the utility reports it. Customer count not reported for 2025.