Modesto Irrigation District
Political Subdivision electric utility · California · #191 of 3,199 U.S. utilities by customers · EIA utility #12745
Modesto Irrigation District is a political subdivision electric utility serving 134,563 customers in California. In 2025 it sold 2,592 gigawatt-hours of electricity for $477.59M in revenue, an average realized rate of 18.42¢ per kWh across all customer classes and 23.03¢ per kWh for residential customers. Its reported service territory covers 2 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 | 104,671 | 944 | $217.39M | 23.03¢ | |
| Commercial | 29,752 | 854 | $155.64M | 18.23¢ | |
| Industrial | 140 | 795 | $104.57M | 13.16¢ | |
| Total | 134,563 | 2,592 | $477.59M | 18.42¢ |
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 (751 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 131,535 | 2,641 | $381.93M | 18.05¢ |
| 2022 | 132,213 | 2,637 | $380.19M | 18.04¢ |
| 2023 | 132,803 | 2,583 | $400.89M | 19.68¢ |
| 2024 | 133,517 | 2,669 | $464.88M | 21.78¢ |
| 2025 | 134,563 | 2,592 | $477.59M | 23.03¢ |
Reliability (2025)
Average outage time (SAIDI): 36 minutes per customer per year
Average outages (SAIFI): 0.43 per customer
Average restoration time (CAIDI): 85 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: 420 GWh
Wholesale power purchased: 3,413 GWh
Winter peak demand: 347 MW
Energy losses: 0.1% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 134,563 meters
Customer-sited generation (net metering): 12,254 installations, 95.7 MW of capacity
Counties served
San Joaquin, CAStanislaus, 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 #12745 in the EIA frame.