PSO
PSO is a electric only utility serving 560,000 customers in Oklahoma. Average residential rate: 12.40¢/kWh (28% below national average).
12.40¢
per kWh
560,000
customers
OK
state
Electric Only
service type
Rate Comparison
| Metric | PSO | Oklahoma Avg | National Avg |
|---|---|---|---|
| Avg Rate | 12.40¢/kWh | 12.82¢/kWh | 17.22¢/kWh |
| Est. Monthly Bill (900 kWh) | $111.60 | $115.38 | $154.98 |
| Est. Annual Bill (900 kWh/mo) | $1,339.20 | $1,384.56 | $1,859.76 |
About PSO
PSO is one of the major electric utilities serving Oklahoma. With 560,000 customers, it ranks among the mid-sized utilities in the state.
The utility's average rate of 12.40¢/kWh is 28% below the national average of 17.22¢/kWh.
Visit the official PSO website for current rates, outage maps, and payment options.
Other Utilities in Oklahoma
| Utility | Rate (¢/kWh) | Customers | Type |
|---|---|---|---|
| OG&E | 12.82¢ | 870,000 | electric |
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)