Maryland data centers and electricity bills
Maryland ranks 47th of 51 on commercial sales growth and 49th on the amount added (-1.2 TWh). Over the same years the Maryland home price moved +49%, from 13.12 to 19.53 cents per kWh. Data centers are only part of Maryland commercial sales, and none of this shows cause.
Maryland commercial sales by year
Maryland commercial sales rose fastest in 2021, up 3.7% on 2020. Commercial customers are 47% of Maryland electricity sales in 2025.
Maryland commercial sales, GWh
- 29,959'15
- 29,676'16
- 28,893'17
- 29,548'18
- 28,893'19
- 26,452'20
- 27,437'21
- 27,623'22
- 27,062'23
- 27,773'24
- 27,706'25
Maryland sales and prices, 2015 to 2025
| Year | GWh | Change | Home ¢ | Business ¢ |
|---|---|---|---|---|
| 2015 | 29,959 | — | 13.82 | 11.00 |
| 2016 | 29,676 | -0.9% | 14.23 | 10.99 |
| 2017 | 28,893 | -2.6% | 13.96 | 10.75 |
| 2018 | 29,548 | +2.3% | 13.30 | 10.43 |
| 2019 | 28,893 | -2.2% | 13.12 | 9.97 |
| 2020 | 26,452 | -8.4% | 13.01 | 9.72 |
| 2021 | 27,437 | +3.7% | 13.12 | 10.26 |
| 2022 | 27,623 | +0.7% | 14.46 | 12.65 |
| 2023 | 27,062 | -2.0% | 16.60 | 12.77 |
| 2024 | 27,773 | +2.6% | 17.86 | 12.96 |
| 2025 | 27,706 | -0.2% | 19.53 | 14.72 |
Where Maryland stands
| Measure | Maryland | Rank |
|---|---|---|
| Commercial sales growth 2019-2025 | -4.1% | 47 of 51 |
| Commercial sales added | -1.19 TWh | 49 of 51 |
| Commercial share of sales 2025 | 46.8% | 9 of 51 |
| Home price change 2019-2025 | +48.9% | 4 of 51 |
Large-load tariffs on file for Maryland
Maryland: 1 entry on the EEI list (trade group, Sept 2026).
| Utility and tariff | Docket | Date |
|---|---|---|
| Maryland large load rate schedule filings (Next Generation Energy Act) in Maryland | PC72 | 2026-09-01 |
States near Maryland on commercial growth
- Delaware
- Massachusetts
- New York
- Connecticut
- Illinois
- Hawaii
Keep going
Sources
EIA Maryland sales and prices (CSV); EEI Maryland tariffs. Nominal prices.
Questions
Did data centers raise Maryland electricity bills?
This page cannot say. While the Maryland home price moved +49%, Maryland commercial sales fell 4% (2019-2025); fuel, wires and rate cases in Maryland also move prices.
How fast is Maryland commercial electricity use growing?
Maryland commercial sales grew -4.1% between 2019 and 2025, 47th among 51 places, and added -1.19 TWh.
Is Maryland data-center load published?
No open source gives Maryland data-center load alone, so Maryland commercial sales stand in as a proxy.