Rancho Cucamonga Municipal Utility
Municipal electric utility · California · #1,739 of 3,199 U.S. utilities by customers · EIA utility #56224
Rancho Cucamonga Municipal Utility is a municipal electric utility serving 3,758 customers in California. In 2025 it sold 140 gigawatt-hours of electricity for $21.14M in revenue, an average realized rate of 15.05¢ per kWh across all customer classes and — per kWh for residential customers. Its reported service territory covers 1 counties.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Total | 3,758 | 140 | $21.14M | 15.05¢ |
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 (— kWh/month).
This utility files the EIA-861S short form, which reports totals only - no breakdown by customer class is published for it.
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 2,387 | 83.2 | $11.66M | — |
| 2022 | 2,847 | 102 | $14.42M | — |
| 2023 | 3,169 | 105 | $17.40M | — |
| 2024 | 3,592 | 120 | $18.45M | — |
| 2025 | 3,758 | 140 | $21.14M | — |
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 3,758 meters
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 #56224 in the EIA frame.