Oklahoma Electric Cooperative (OEC) (Oklahoma Electric Coop Inc)
- Last verified (tariff snapshot)
- Feb 26, 2026
- EIA data year
- 2024
- EIA updated
- Mar 4, 2026
- Page updated
- Feb 26, 2026
Oklahoma Electric Cooperative (OEC), operating as Oklahoma Electric Coop Inc, is an electric utility serving customers in Oklahoma. Electric co-op serving Oklahoma City and Norman. Standard residential: $1.50/day base + 9¢/kWh. Winter (Jan–May, Nov–Dec): 1,000+ kWh at 6¢/kWh. Rates at okcoop.org/rates.
This page brings together tariff-based rate information from our research, federal EIA statistics on sales and generation when available, and the cities and states this provider serves.
Residential rates
Tariff snapshot (Oklahoma City, OK)
- Customer charge
- $45.00/mo
- Energy charge (example tier)
- 9.00¢/kWh
Seasonal/tiered rates and riders may apply. Example tier used in our estimates.
okcoop.org· verified 2026-02-26Example bill at 1,000 kWh (derived from tariff snapshot): $135.00/mo
Based on snapshot; excludes local taxes/fees; riders may vary.
For city-specific estimates (including water, sewer, trash), see Oklahoma City's full breakdown
Our estimates use tariff and official rate data from utility and regulatory sources. See our methodology for how we calculate bill estimates.
EIA Form 861 & 860 data (2024)
Supplemental data from the U.S. Energy Information Administration. Our tariff-based rates above remain primary for bill estimates. EIA data provides context on scale and generation.
Residential statistics
- Avg. price (EIA)
- 12.25¢/kWh
- EIA "avg price" reflects the full delivered price over the year (including riders/delivery and seasonal effects), so it can be higher than a single tariff energy tier.
- Residential sales
- 886.7K MWh
- Customers
- 58.5K
- Revenue
- $108.7M
Sources: EIA-861 (sales, revenue, customers), EIA-860 (generation).
States & cities served
Cities in our dataset where this provider offers electric service. Click through to see utility cost estimates for each city.
Oklahoma
- Oklahoma City(used for tariff snapshot)
- Norman
Data sources
- Our research: Tariff documents, PSC/regulatory filings, and official utility rate schedules. Each city page cites sources and last-verified dates.
- EIA (2024): Form 861 (sales, revenue, customers) and Form 860 (generation capacity by fuel). Supplementary context; our tariff-based rates remain primary for bill estimates.
Compare utility costs by state
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Understanding electricity costs
Learn how electric bills are calculated, what drives usage, and how rates vary by market.