Public Service Co of Oklahoma Electricity Rates and Average Bill (Oklahoma)
Data through May 2026 (the latest month EIA has published) · Updated August 14, 2026
As of May 2026, Public Service Co of Oklahoma's residential customers in Oklahoma paid an average effective rate of 16.15¢/kWh with an average monthly bill of $135.52, per EIA Form 861-M data. That rate is 2.8¢ above the Oklahoma average of 13.38¢/kWh; the U.S. average is 18.44¢/kWh.
Rate trend vs the Oklahoma average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| June 2025 | 15.03 | 179.74 | 1196 |
| July 2025 | 14.74 | 237.54 | 1612 |
| August 2025 | 17.30 | 244.75 | 1415 |
| September 2025 | 18.26 | 182.55 | 1000 |
| October 2025 | 17.56 | 145.36 | 828 |
| November 2025 | 14.10 | 91.20 | 647 |
| December 2025 | 12.47 | 127.49 | 1022 |
| January 2026 | 12.24 | 137.79 | 1125 |
| February 2026 | 13.21 | 109.62 | 830 |
| March 2026 | 16.12 | 120.18 | 745 |
| April 2026 | 14.03 | 99.17 | 707 |
| May 2026 | 16.15 | 135.52 | 839 |
Public Service Co of Oklahoma vs Oklahoma vs the U.S.
| Public Service Co of Oklahoma | Oklahoma | U.S. average | |
|---|---|---|---|
| Rate (May 2026) | 16.15¢/kWh | 13.38¢/kWh | 18.44¢/kWh |
| Average monthly bill | $135.52 | $119.88 | $135.70 |
| Average monthly usage | 839 kWh | 896 kWh | 736 kWh |
| Rate change, 1 year | +16.9% | +3.4% | +6.2% |
Estimate a bill at Public Service Co of Oklahoma rates
Worked example: 1,000 kWh at Public Service Co of Oklahoma's average effective rate of 16.15¢/kWh is about $161.50. The utility's actual average usage is 839 kWh/month, which produces the $135.52 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full Oklahoma rate trend, look up another utility by ZIP code, or read why electric bills are rising.
Source: EIA Form 861-M (monthly utility-level sales to ultimate customers, residential), published with roughly a two-month lag. Rate = revenue ÷ sales; bill = revenue ÷ customers. Months failing basic sanity screens are excluded. See methodology.