Maine · Retail Power Marketer
Ambit Energy Holdings, LLC
16.43¢ per kWh, energy only, EIA-861 2025. Average bill $86.95 at 529.3 kWh a month, across 2,337 customers on that row.
Maine averaged 27.69¢/kWh and $147.67 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: 2,337, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$164.30
16.43¢/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 | 6.81¢ | $33.65 | 494.2 | 3,607 |
| 2016 | 7.10¢ | $47.30 | 666.1 | 5,345 |
| 2017 | 7.57¢ | $49.31 | 651.3 | 6,536 |
| 2018 | 8.11¢ | $57.07 | 703.8 | 8,118 |
| 2019 | 9.95¢ | $67.73 | 681.0 | 8,421 |
| 2020 | 8.20¢ | $54.37 | 663.4 | 6,930 |
| 2021 | 7.12¢ | $47.00 | 660.0 | 5,906 |
| 2022 | 12.36¢ | $78.41 | 634.3 | 5,314 |
| 2023 | 17.27¢ | $102.89 | 595.9 | 4,202 |
| 2024 | 15.65¢ | $87.00 | 556.1 | 3,044 |
| 2025 | 16.43¢ | $86.95 | 529.3 | 2,337 |
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