Calpine Energy Solutions, LLC
Retail Power Marketer electric utility · California · #2,513 of 3,199 U.S. utilities by customers · EIA utility #16840
Calpine Energy Solutions, LLC is a retail power marketer electric utility serving 962 customers in California, Connecticut, District of Columbia, Delaware, Illinois, Massachusetts. In 2025 it sold 48,718 gigawatt-hours of electricity for $3.75B in revenue, an average realized rate of 7.70¢ per kWh across all customer classes and — per kWh for residential customers. EIA records its activities as: retail marketing.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Commercial | 856 | 45,036 | $3.46B | 7.68¢ | |
| Industrial | 106 | 3,682 | $293.05M | 7.96¢ | |
| Total | 962 | 48,718 | $3.75B | 7.70¢ |
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 | 152 | 7,331 | — |
| Illinois | 107 | 6,654 | — |
| Texas | 107 | 12,303 | — |
| New York | 97 | 2,665 | — |
| Ohio | 76 | 3,852 | — |
| Pennsylvania | 65 | 4,449 | — |
| Massachusetts | 44 | 1,229 | — |
| New Jersey | 43 | 1,954 | — |
| District of Columbia | 42 | 252 | — |
| Maryland | 40 | 875 | — |
| Michigan | 37 | 962 | — |
| Connecticut | 36 | 804 | — |
| Oregon | 28 | 1,695 | — |
| Virginia | 28 | 2,756 | — |
| New Hampshire | 23 | 236 | — |
| Rhode Island | 14 | 197 | — |
| Maine | 12 | 342 | — |
| Delaware | 11 | 161 | — |
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 1,194 | 40,323 | $2.66B | — |
| 2022 | 1,191 | 42,760 | $3.45B | — |
| 2023 | 1,179 | 41,169 | $3.05B | — |
| 2024 | 1,122 | 44,912 | $3.14B | — |
| 2025 | 962 | 48,718 | $3.75B | — |
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 48,718 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 #16840 in the EIA frame.