City of Corona - (CA)
Municipal electric utility · California · #1,925 of 3,199 U.S. utilities by customers · EIA utility #4390
City of Corona - (CA) is a municipal electric utility serving 2,795 customers in California. In 2025 it sold 138 gigawatt-hours of electricity for $15.62M in revenue, an average realized rate of 11.34¢ per kWh across all customer classes and 15.76¢ per kWh for residential customers. Its reported service territory covers 1 counties. EIA records its activities as: 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 | 1,305 | 8.3 | $1.31M | 15.76¢ | |
| Commercial | 1,476 | 67.2 | $8.41M | 12.51¢ | |
| Industrial | 14 | 62.2 | $5.90M | 9.48¢ | |
| Total | 2,795 | 138 | $15.62M | 11.34¢ |
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 (532 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 2,792 | 141 | $15.60M | 15.25¢ |
| 2022 | 2,764 | 142 | $15.88M | 15.82¢ |
| 2023 | 2,773 | 134 | $15.41M | 15.25¢ |
| 2024 | 2,773 | 135 | $15.07M | 15.50¢ |
| 2025 | 2,795 | 138 | $15.62M | 15.76¢ |
Reliability (2025)
Average outage time (SAIDI): 178 minutes per customer per year
Average outages (SAIFI): 1.87 per customer
Average restoration time (CAIDI): 95 minutes
As reported for California under the IEEE 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: 144 GWh
Winter peak demand: 24 MW
Energy losses: 4.3% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 0.0% of 1,897 meters
Customer-sited generation (net metering): 25 installations, 1.4 MW of capacity
Counties served
Riverside, 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 #4390 in the EIA frame.