Maine data centers and electricity bills
Maine ranks 41st of 51 on commercial sales growth and 37th on the amount added (-0.1 TWh). Over the same years the Maine home price moved +55%, from 17.89 to 27.78 cents per kWh. Data centers are only part of Maine commercial sales, and none of this shows cause.
Maine commercial sales by year
Maine commercial sales rose fastest in 2018, up 13.5% on 2017. Commercial customers are 36% of Maine electricity sales in 2025.
Maine commercial sales, GWh
- 4,018'15
- 3,986'16
- 3,917'17
- 4,447'18
- 4,148'19
- 3,816'20
- 3,949'21
- 4,129'22
- 4,017'23
- 4,118'24
- 4,028'25
Maine sales and prices, 2015 to 2025
| Year | GWh | Change | Home ¢ | Business ¢ |
|---|---|---|---|---|
| 2015 | 4,018 | — | 15.61 | 12.47 |
| 2016 | 3,986 | -0.8% | 15.83 | 12.08 |
| 2017 | 3,917 | -1.7% | 15.97 | 12.12 |
| 2018 | 4,447 | +13.5% | 16.84 | 12.51 |
| 2019 | 4,148 | -6.7% | 17.89 | 12.83 |
| 2020 | 3,816 | -8.0% | 16.81 | 12.56 |
| 2021 | 3,949 | +3.5% | 17.02 | 12.90 |
| 2022 | 4,129 | +4.6% | 22.44 | 15.40 |
| 2023 | 4,017 | -2.7% | 27.42 | 17.88 |
| 2024 | 4,118 | +2.5% | 24.29 | 18.22 |
| 2025 | 4,028 | -2.2% | 27.78 | 20.96 |
Where Maine stands
| Measure | Maine | Rank |
|---|---|---|
| Commercial sales growth 2019-2025 | -2.9% | 41 of 51 |
| Commercial sales added | -0.12 TWh | 37 of 51 |
| Commercial share of sales 2025 | 36.5% | 27 of 51 |
| Home price change 2019-2025 | +55.3% | 3 of 51 |
Large-load tariffs for Maine
None of the 15 entries on our list names Maine. That does not mean Maine has no large-load rules; the list is a sample from one source.
States near Maine on commercial growth
Keep going
Sources
EIA Maine sales and prices (CSV); EEI Maine tariffs. Nominal prices.
Questions
Did data centers raise Maine electricity bills?
This page cannot say. While the Maine home price moved +55%, Maine commercial sales fell 3% (2019-2025); fuel, wires and rate cases in Maine also move prices.
How fast is Maine commercial electricity use growing?
Maine commercial sales grew -2.9% between 2019 and 2025, 41st among 51 places, and added -0.12 TWh.
Is Maine data-center load published?
No open source gives Maine data-center load alone, so Maine commercial sales stand in as a proxy.