Electricity rates in 74456 — Preston, OK
Homes in ZIP 74456 pay about 15.6¢ per kWh (Public Service Co. of Oklahoma, Jan–Aug 2026). The Oklahoma average is 14.8¢ and the U.S. average 18.2¢ (Aug 2026).
What a month of electricity costs
Monthly cost at the average price of 15.6¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 74456 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 74456
| Utility | Home price | Avg. bill | Customers in OK |
|---|---|---|---|
| Public Service Co. of Oklahoma Investor Owned | 15.6¢ Jan–Aug 2026 | $133 | 501,093 |
| Oklahoma Gas & Electric Co. Investor Owned · serves Okmulgee County | 12.1¢ Jan–Aug 2026 | $125 | 710,123 |
| East Central Oklahoma Elec Coop Inc. Cooperative · serves Okmulgee County | 12.0¢ 2024 | $137 | 33,358 |
| Canadian Valley Elec Coop, Inc. Cooperative · serves Okmulgee County | 11.9¢ 2024 | $152 | 24,605 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Okmulgee County; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.
Oklahoma price trend
Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the West South Central region, which includes Arkansas, Louisiana, Oklahoma, Texas.
Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.
Questions about 74456
How much does electricity cost in 74456?
About 15.6¢ per kWh for homes (Public Service Co. of Oklahoma, Jan–Aug 2026, EIA). At 900 kWh a month that is roughly $140.
Who is the electric utility for 74456?
Public Service Co. of Oklahoma, with about 501,093 residential customers in Oklahoma; 3 other utilities also serve parts of the area.
Is electricity in OK getting more expensive?
The Oklahoma residential average was 14.8¢ per kWh in August 2026, up 2.8% from a year earlier; the U.S. average was 18.2¢.