City of Colton - (CA)
Municipal electric utility · California · #745 of 3,199 U.S. utilities by customers · EIA utility #4003
City of Colton - (CA) is a municipal electric utility serving 19,723 customers in California. In 2025 it sold 359 gigawatt-hours of electricity for $80.28M in revenue, an average realized rate of 22.34¢ per kWh across all customer classes and 23.00¢ per kWh for residential customers. Its reported service territory covers 1 counties. EIA records its activities as: generation, transmission, buying transmission, distribution, wholesale marketing, retail marketing, bundled.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 17,367 | 108 | $24.77M | 23.00¢ | |
| Commercial | 2,065 | 81.3 | $22.91M | 28.19¢ | |
| Industrial | 291 | 170 | $32.60M | 19.13¢ | |
| Total | 19,723 | 359 | $80.28M | 22.34¢ |
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 (517 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 20,264 | 351 | $54.42M | 14.97¢ |
| 2022 | 20,330 | 354 | $58.22M | 16.46¢ |
| 2023 | 19,509 | 328 | $75.89M | 22.87¢ |
| 2024 | 20,064 | 334 | $83.03M | 24.85¢ |
| 2025 | 19,723 | 359 | $80.28M | 23.00¢ |
Reliability (2025)
Average outage time (SAIDI): 66 minutes per customer per year
Average outages (SAIFI): 0.42 per customer
Average restoration time (CAIDI): 158 minutes
As reported for California 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: 3.7 GWh
Wholesale power purchased: 356 GWh
Winter peak demand: 54 MW
Meters & rooftop solar (2025)
Smart (AMI) meters: 64.8% of 21,773 meters
Customer-sited generation (net metering): 1,282 installations, 22.0 MW of capacity
Counties served
San Bernardino, CA
Other large utilities in California
- Southern California Edison Co - 3,735,576 customers, residential 31.48¢
- Pacific Gas & Electric Co. - 2,008,682 customers, residential 37.52¢
- Los Angeles Department of Water & Power - 1,516,453 customers, residential 26.48¢
- San Diego Community Power - 939,547 customers, residential 15.76¢
- Clean Power Alliance of Southern Califor - 819,661 customers, residential 13.95¢
- Sunrun Inc. - 796,359 customers, residential 26.53¢
- Ava Community Energy - 724,515 customers, residential 14.48¢
- Sacramento Municipal Util Dist - 675,491 customers, residential 18.93¢
All California utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #4003 in the EIA frame.