Pennsylvania · Retail Power Marketer
Green Mountain Energy Company
13.99¢ per kWh, energy only, EIA-861 2025. Average bill $108.55 at 775.7 kWh a month, across 26,976 customers on that row.
Pennsylvania averaged 19.29¢/kWh and $161.90 a month. The United States averaged 17.23¢/kWh and $150.68. State and national figures come from EIA's Average Bill file.
Revenue divided by sales, EIA-861 Sales to Ultimate Customers, 2025, released October 7, 2026. Texas wires utilities come from the Delivery Companies file. The price and bill use energy only service. Customer count: 26,976, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$139.90
13.99¢/kWh × 1,000 kWh. Energy only residential average, EIA-861 2025. The customer charge is already folded into this average, so it stands beside a tariff total rather than being added to it.
Annual history
| Year | ¢/kWh | Avg. bill | Avg. kWh | Customers |
|---|---|---|---|---|
| 2015 | 8.52¢ | $66.48 | 780.3 | 59,248 |
| 2016 | 8.84¢ | $69.38 | 784.6 | 69,457 |
| 2017 | 9.23¢ | $71.79 | 777.6 | 74,785 |
| 2018 | 10.31¢ | $85.98 | 833.7 | 71,892 |
| 2019 | 11.19¢ | $91.04 | 813.7 | 68,660 |
| 2020 | 11.29¢ | $90.45 | 801.2 | 54,286 |
| 2021 | 12.12¢ | $96.10 | 792.6 | 44,845 |
| 2022 | 12.34¢ | $102.35 | 829.5 | 42,731 |
| 2023 | 13.50¢ | $104.98 | 777.4 | 34,926 |
| 2024 | 13.05¢ | $100.52 | 770.2 | 30,875 |
| 2025 | 13.99¢ | $108.55 | 775.7 | 26,976 |
EIA-861, 2015–2025, using the same service type as the 2025 figure. A blank year means that service was not in the file.
Counties
EIA's 2025 service-territory file does not list counties for this utility.
EIA-861 Service Territory, 2025. A listed county is the county EIA recorded. It does not mean every address in the county is served. Open this utility in the bill calculator · Rate history tool