Electricity rates in Maryland: 21.03¢ per kWh
Homes in Maryland paid an average of 21.03¢ per kilowatt-hour from August 2025 to July 2026, 17% above the U.S. average of 17.99¢. That is the 14th-highest of 51, between Michigan (21.05¢) and Pennsylvania (20.70¢).
The average Maryland home used 945 kWh a month — the 20th-most of the 51 — so its typical bill came to $199 a month, the 2nd-highest. At the national rate the same 945 kWh would cost $29 less a month.
In July 2026, the latest month published, the Maryland rate was 21.41¢.
| Rank | State | Average rate | Latest month | Average home use | Average bill |
|---|---|---|---|---|---|
| 12 | New Jersey | 23.78¢ | 25.19¢ | 664 kWh/mo | $158/mo |
| 13 | Michigan | 21.05¢ | 23.05¢ | 630 kWh/mo | $133/mo |
| 14 | Maryland | 21.03¢ | 21.41¢ | 945 kWh/mo | $199/mo |
| 15 | Pennsylvania | 20.70¢ | 21.72¢ | 840 kWh/mo | $174/mo |
| 16 | Illinois | 18.79¢ | 19.22¢ | 700 kWh/mo | $132/mo |
What a month of electricity costs in Maryland
At 21.03¢ per kWh, every extra 100 kWh a month adds $21.03 to the monthly bill and $252 to the year. The table runs from half to twice the Maryland average home's 945 kWh, using the same calculation as the calculator above.
| Monthly use | Per month | Per year | vs. U.S. rate (17.99¢) |
|---|---|---|---|
| 450 kWh (half the average) | $95 | $1,136 | +$14 |
| 945 kWh (state average) | $199 | $2,385 | +$29 |
| 1,400 kWh (1.5× the average) | $294 | $3,533 | +$43 |
| 1,900 kWh (twice the average) | $400 | $4,795 | +$58 |
Maryland electricity through the year
The average Maryland home's bill peaked at about $271 in January 2026 and was lowest, about $147, in October 2025. Use ran from 660 kWh in October 2025 to 1,317 kWh in January 2026, 2.0 times as much.
The rate moved too, from 19.57¢ in December 2025 to 22.30¢ in October 2025. A monthly rate includes that month's fuel and seasonal charges, which is why the calculator uses the 12-month average for a yearly estimate.
| Month | Rate | Use per home | Bill per home |
|---|---|---|---|
| Aug 2025 | 19.83¢ | 957 kWh | $190 |
| Sep 2025 | 21.05¢ | 829 kWh | $175 |
| Oct 2025 | 22.30¢ | 660 kWh | $147 |
| Nov 2025 | 21.34¢ | 788 kWh | $168 |
| Dec 2025 | 19.57¢ | 1,207 kWh | $236 |
| Jan 2026 | 20.61¢ | 1,317 kWh | $271 |
| Feb 2026 | 20.08¢ | 1,169 kWh | $235 |
| Mar 2026 | 22.20¢ | 869 kWh | $193 |
| Apr 2026 | 22.07¢ | 710 kWh | $157 |
| May 2026 | 21.77¢ | 727 kWh | $158 |
| Jun 2026 | 21.84¢ | 921 kWh | $201 |
| Jul 2026 | 21.41¢ | 1,184 kWh | $253 |
Largest electricity providers in Maryland
Among the 9 largest providers listed, average residential rates in 2024 ran from 7.77¢ at Hagerstown Light Department to 20.22¢ at Delmarva Power. On the average Maryland home's 945 kWh that is a difference of $118 a month.
These are 2024 figures, the latest final year. The Maryland average was 17.86¢ that year and 21.03¢ over the last 12 months, up 18% — compare the providers with each other, not with today's average.
Together they serve 88% of Maryland's 2,451,753 residential customers. The rates are each company's residential revenue divided by kilowatt-hours sold, so customer charges are included; a plan or tier can still differ.
| Provider | Type | Homes served | Average rate | Use per home |
|---|---|---|---|---|
| Baltimore Gas & Electric Co | Investor-owned | 1,025,745 | 17.91¢ | 869 kWh/mo |
| Potomac Electric Power Co | Investor-owned | 485,483 | 20.08¢ | 830 kWh/mo |
| The Potomac Edison Company | Investor-owned | 240,570 | 13.83¢ | 1,086 kWh/mo |
| Delmarva Power | Investor-owned | 172,008 | 20.22¢ | 943 kWh/mo |
| Southern Maryland Elec Coop Inc | Cooperative | 158,375 | 14.84¢ | 1,146 kWh/mo |
| Choptank Electric Cooperative, Inc | Cooperative | 50,697 | 16.46¢ | 1,113 kWh/mo |
| Hagerstown Light Department | Municipal | 15,099 | 7.77¢ | 913 kWh/mo |
| Easton Utilities Comm | Municipal | 8,590 | 13.06¢ | 1,041 kWh/mo |
| A & N Electric Coop | Cooperative | 253 | 13.69¢ | 733 kWh/mo |