Constellation Solar Holding, LLC
Behind the Meter electric utility · California · #3,124 of 3,199 U.S. utilities by customers · EIA utility #59086
Constellation Solar Holding, LLC is a behind the meter electric utility serving 63 customers in Arizona, California, Connecticut, District of Columbia, Delaware, Massachusetts. In 2025 it sold 187 gigawatt-hours of electricity for $26.37M in revenue, an average realized rate of 14.07¢ per kWh across all customer classes and — per kWh for residential customers. EIA records its activities as: generation.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Commercial | 58 | 183 | $25.83M | 14.09¢ | |
| Industrial | 5 | 4.1 | $534.20K | 13.16¢ | |
| Total | 63 | 187 | $26.37M | 14.07¢ |
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).
Operations by state
| State | Customers | Sales (GWh) | Residential rate |
|---|---|---|---|
| California | 27 | 88.2 | — |
| Maryland | 18 | 15.6 | — |
| Arizona | 10 | 77.3 | — |
| Massachusetts | 3 | 2.9 | — |
| District of Columbia | 2 | 0.9 | — |
| Delaware | 2 | 2.1 | — |
| Connecticut | 1 | 0.4 | — |
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 61 | 192 | $25.01M | — |
| 2022 | 62 | 196 | $25.77M | — |
| 2023 | 63 | 186 | $25.07M | — |
| 2024 | 64 | 183 | $25.51M | — |
| 2025 | 63 | 187 | $26.37M | — |
Energy supply (2025)
Net generation: 187 GWh
Wholesale power purchased: 0.0 GWh
Winter peak demand: — MW
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 #59086 in the EIA frame.