Skip to content
kWh by ZIP
Menu
Maryland · EIA utility 17637 · Full-service utility

Southern Maryland Elec Coop Inc electricity rates in Maryland, 2025

Southern Maryland Elec Coop Inc’s 162,860 residential customers paid an average of 16.43¢ per kWh in 2025, 16% below the Maryland average of 19.53¢. The typical home used 1,171 kWh a month, for an average bill of $192.

  • 16.43¢avg ¢/kWh (2025)+1.59¢ (+10.7%) vs 2024
  • $192Avg monthly billMaryland: $184
  • 1,171 kWhAvg monthly useMaryland: 944 kWh
  • 162,860Residential customersFull-service utility

Estimate your monthly electric bill

Rate defaults to Southern Maryland Elec Coop Inc’s 2025 average. Results update as you type and stay in your browser.

Your bill shows kWh used. Default: the average here, 1,171 kWh.

Default: Southern Maryland Elec Coop Inc average, 2025. Use the all-in rate from your bill (total ÷ kWh) for the closest estimate.

Estimated bill at your rate$192/month
The same usage at each average rate
Rate¢/kWhMonthly billYearly
Southern Maryland Elec Coop Inc average, 202516.43¢$192$2,308
Maryland average, 202519.53¢$229$2,744
Maryland, August 2026 (preliminary)21.40¢$251$3,007
U.S. average, 202517.23¢$202$2,422
Southern Maryland Elec Coop Inc sales to Maryland customers, 2025
SectorCustomersSales (MWh)Revenue¢/kWh 2025¢/kWh 2024Change
Residential162,8602,288,425$375,894,80016.43¢14.84¢+1.59¢ (+10.7%)
Commercial16,1451,222,704$173,202,80014.17¢12.60¢+1.56¢ (+12.4%)
Industrial00$0n/an/an/a
All sectors179,0053,511,129$549,097,60015.64¢14.04¢+1.60¢ (+11.4%)

How Southern Maryland Elec Coop Inc compares

  • Maryland residential average, 2025: 19.53¢ per kWh, 944 kWh a month, $184 average bill. U.S. average: 17.23¢, 874 kWh, $151.
  • Among 8 full-service utilities in Maryland with at least 1,000 residential customers, Southern Maryland Elec Coop Inc ranks 4 of 8 from lowest to highest average price.
  • Latest monthly figure: Maryland homes paid 21.40¢ per kWh in August 2026 (preliminary), against 19.89¢ in August 2025. Summer months often run higher than the annual average.
  • From 2024 to 2025 this average rose 10.7%; the state average rose 9.3%.
  • Another 591 residential customers buy supply from a competitive supplier and pay Southern Maryland Elec Coop Inc only for delivery, averaging 6.17¢ per kWh for that service.
  • Southern Maryland Elec Coop Inc is an electric cooperative, owned by the members it serves; its board sets rates. Balancing authority: PJM.

Where Southern Maryland Elec Coop Inc serves

EIA lists 4 Maryland counties in its 2025 service territory: Calvert, Charles, Prince Georges, St Marys.

73 ZIP codes are matched to Southern Maryland Elec Coop Inc in NREL’s 2024 ZIP file: 20601, 20602, 20603, 20604, 20606, 20607, 20608, 20609, 20610, 20611, 20612, 20613, 20615, 20616, 20617, 20618, 20619, 20620, 20621, 20622, 20624, 20625, 20626, 20627, 20628, 20629, 20630, 20632, 20634, 20635, 20636, 20637, 20639, 20640, 20643, 20645, 20646, 20650, 20653, 20656, 20657, 20658, 20659, 20660, 20661, 20662, 20664, 20667, 20670, 20674, 20675, 20676, 20677, 20678, 20680, 20682, 20684, 20685, 20686, 20687, and 13 more. Utility boundaries do not follow ZIP lines, so a ZIP can have more than one provider.

Maryland full-service utilities with similar rates

Closest average residential prices in Maryland, 2025
Provider¢/kWhAvg billCustomers
Hagerstown Light Department11.23¢$10614,878
Easton Utilities Comm15.18¢$1598,884
The Potomac Edison Company15.44¢$172252,583
Choptank Electric Cooperative, Inc17.11¢$20050,981
Baltimore Gas & Electric Co20.19¢$1771,143,710
Potomac Electric Power Co21.74¢$182531,090
Delmarva Power21.81¢$214181,839

Sources

Average price = residential revenue ÷ residential kWh sold, as reported to EIA. It includes fixed monthly charges, taxes passed through in revenue and seasonal tiers, averaged over the year. Your own rate depends on your tariff and usage.

All Maryland electricity providers · How we compute rates