Grayson-Collin Elec Coop, Inc
Cooperative electric utility · Texas · #224 of 3,199 U.S. utilities by customers · EIA utility #7559
Grayson-Collin Elec Coop, Inc is a cooperative electric utility serving 103,461 customers in Texas. In 2025 it sold 1,653 gigawatt-hours of electricity for $277.26M in revenue, an average realized rate of 16.77¢ per kWh across all customer classes and 17.04¢ per kWh for residential customers. Its reported service territory covers 4 counties. EIA records its activities as: transmission, distribution, bundled.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 97,950 | 1,326 | $226.01M | 17.04¢ | |
| Commercial | 5,511 | 327 | $51.25M | 15.69¢ | |
| Total | 103,461 | 1,653 | $277.26M | 16.77¢ |
Average realized rate = revenue divided by sales as reported on EIA Form 861. It blends fixed charges, demand charges and riders into one per-kWh figure; it is not the utility's tariff rate. Estimated residential bill assumes the average residential customer's actual 2025 usage (1,128 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 68,813 | 1,156 | $135.49M | 11.77¢ |
| 2022 | 75,221 | 1,311 | $194.19M | 14.70¢ |
| 2023 | 84,009 | 1,393 | $186.78M | 13.50¢ |
| 2024 | 95,519 | 1,531 | $246.15M | 16.40¢ |
| 2025 | 103,461 | 1,653 | $277.26M | 17.04¢ |
Reliability (2025)
Average outage time (SAIDI): 240 minutes per customer per year
Average outages (SAIFI): — per customer
Average restoration time (CAIDI): — minutes
As reported for Texas under the Other standard, with major event days included where the standard reports them. Lower is better; see the reliability rankings.
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 1,680 GWh
Winter peak demand: 471 MW
Energy losses: 1.6% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 99.9% of 103,461 meters
Customer-sited generation (net metering): 3,183 installations, 34.9 MW of capacity
Counties served
Collin, TXCooke, TXFannin, TXGrayson, TX
Other large utilities in Texas
- TXU Energy Retail Co, LLC - 1,867,539 customers, residential 19.36¢
- Reliant Energy Retail Services - 1,646,366 customers, residential 18.38¢
- City of San Antonio - (TX) - 986,641 customers, residential 12.40¢
- Austin Energy - 577,889 customers, residential 13.14¢
- Entergy Texas Inc. - 531,824 customers, residential 13.89¢
- Pedernales Electric Coop, Inc - 474,954 customers, residential 12.75¢
- Just Energy - 474,201 customers, residential 16.82¢
- El Paso Electric Co - 470,748 customers, residential 13.01¢
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #7559 in the EIA frame.