Official EIA-861 State Grid Summary
Maryland Power Outage Risk, Electric Utilities & Generator Sizing
Maryland households average 2.0 hrs/yr (118 minutes/year) of total blackout duration across 0.82 outages/year (Reliability Grade A — Low Outage Risk), with an average residential electricity rate of 17.94 ¢/kWh.
Interactive Appliance Load Calculator
⚡ Home Backup Wattage Sizer for Maryland
Check the appliances you need to keep running during a blackout. We calculate your continuous running watts, highest motor starting surge, and 20% NEC safety headroom automatically.
Live Sizing Result (+20% Headroom)
3,000 W
Recommended Minimum Generator / Inverter Rating
1,250 WContinuous Running
2,250 WPeak Motor Surge
Top Cities & Towns in Maryland
Baltimore→Frederick→Gaithersburg→Rockville→Bowie→Hagerstown→Annapolis→College Park→Salisbury→Laurel→Greenbelt→Hyattsville→Westminster→Cumberland→Aberdeen→Takoma Park→Easton→Elkton→Havre de Grace→New Carrollton→Cambridge→La Plata→Bel Air→Mount Airy→Bladensburg→Brunswick→Taneytown→Mount Rainier→Riverdale Park→Frostburg→Ocean→Walkersville→Chesapeake Beach→Glenarden→Thurmont→Hampstead→Cheverly→Fruitland→District Heights→Poolesville→Chestertown→Manchester→Berlin→Middletown→Denton→Leonardtown→Centreville→Delmar→Sykesville→Seat Pleasant→Perryville→Pocomoke→Indian Head→North East→Capitol Heights→Boonsboro→Brentwood→Princess Anne→Berwyn Heights→Smithsburg→Chevy Chase→Emmitsburg→Federalsburg→Rising Sun→Forest Heights→Crisfield→University Park→Snow Hill→North Beach→Kensington→Mountain Lake Park→Williamsport→Hurlock→Chevy Chase→Greensboro→Myersville→Oakland→Landover Hills→Westernport→New Windsor→Pittsville→Ridgely→Edmonston→New Market→Colmar Manor→Hancock→Charlestown→Fairmount Heights→Trappe→Cottage→Morningside→Keedysville→Somerset→Rock Hall→Hebron→Woodsboro→St. Michaels→Chevy Chase View→Willards→Garrett Park→
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Electric Utilities Operating in Maryland (EIA Form 861)
| Utility Name | Ownership | Customers | Outages/Yr | Annual Outage Time | Avg Restoration | Residential Rate |
|---|---|---|---|---|---|---|
| Baltimore Gas & Electric Co (#1167) | Investor-Owned | 1,025,745 | 0.80x/yr | 134 min (2.2h) | 168 min | 17.91 ¢/kWh |
| Potomac Electric Power Co (#15270) | Investor-Owned | 485,483 | 0.59x/yr | 66 min (1.1h) | 110 min | 20.08 ¢/kWh |
| The Potomac Edison Company (#15263) | Investor-Owned | 240,570 | 1.11x/yr | 168 min (2.8h) | 150 min | 13.83 ¢/kWh |
| Delmarva Power (#5027) | Investor-Owned | 172,008 | 0.68x/yr | 79 min (1.3h) | 116 min | 20.22 ¢/kWh |
| Southern Maryland Elec Coop Inc (#17637) | Cooperative | 158,375 | 1.31x/yr | 146 min (2.4h) | 111 min | 14.84 ¢/kWh |
| Constellation NewEnergy, Inc (#13374) | Retail Power Marketer | 68,033 | 0.82x/yr | 118 min (2.0h) | 144 min | 11.30 ¢/kWh |
| Choptank Electric Cooperative, Inc (#3503) | Cooperative | 50,697 | 1.30x/yr | 144 min (2.4h) | 111 min | 16.46 ¢/kWh |
| WGL Energy Services, Inc. (#20659) | Retail Power Marketer | 27,043 | 0.82x/yr | 118 min (2.0h) | 144 min | 11.09 ¢/kWh |
| Inspire Energy Holdings, LLC (#59310) | Retail Power Marketer | 25,372 | 0.82x/yr | 118 min (2.0h) | 144 min | 15.47 ¢/kWh |
| CleanChoice Energy, Inc. (#58951) | Retail Power Marketer | 20,822 | 0.82x/yr | 118 min (2.0h) | 144 min | 16.71 ¢/kWh |
| Direct Energy Services (#54820) | Retail Power Marketer | 19,359 | 0.82x/yr | 118 min (2.0h) | 144 min | 12.52 ¢/kWh |
| Just Energy Solutions Inc. (#4100) | Retail Power Marketer | 17,230 | 0.82x/yr | 118 min (2.0h) | 144 min | 13.40 ¢/kWh |
| Reliant Energy Northeast LLC (#57037) | Retail Power Marketer | 16,099 | 0.82x/yr | 118 min (2.0h) | 144 min | 15.29 ¢/kWh |
| Hagerstown Light Department (#7908) | Municipal | 15,099 | 0.82x/yr | 118 min (2.0h) | 144 min | 7.77 ¢/kWh |
| Easton Utilities Comm (#5625) | Municipal | 8,590 | 0.23x/yr | 10 min (0.2h) | 47 min | 13.06 ¢/kWh |
| IDT Energy, Inc. (#55815) | Retail Power Marketer | 8,215 | 0.82x/yr | 118 min (2.0h) | 144 min | 17.39 ¢/kWh |
| XOOM Energy Maryland, LLC (#57490) | Retail Power Marketer | 7,165 | 0.82x/yr | 118 min (2.0h) | 144 min | 14.79 ¢/kWh |
| SFE Energy Maryland, Inc. (#59084) | Retail Power Marketer | 6,585 | 0.82x/yr | 118 min (2.0h) | 144 min | 11.92 ¢/kWh |
| MPower Energy NJ LLC (#60218) | Retail Power Marketer | 5,857 | 0.82x/yr | 118 min (2.0h) | 144 min | 18.49 ¢/kWh |
| Ambit Energy Holdings, LLC (#56212) | Retail Power Marketer | 5,298 | 0.82x/yr | 118 min (2.0h) | 144 min | 14.98 ¢/kWh |
| Energy Services Providers, Inc (#55874) | Retail Power Marketer | 5,083 | 0.82x/yr | 118 min (2.0h) | 144 min | 15.95 ¢/kWh |
| Palmco Power MD, LLC (#57185) | Retail Power Marketer | 3,776 | 0.82x/yr | 118 min (2.0h) | 144 min | 22.33 ¢/kWh |
| Titan Gas LLC (#59065) | Retail Power Marketer | 3,438 | 0.82x/yr | 118 min (2.0h) | 144 min | 16.04 ¢/kWh |
| Thurmont Municipal Light Co (#18901) | Municipal | 2,892 | 0.82x/yr | 118 min (2.0h) | 144 min | 8.69 ¢/kWh |
| Stream Energy Maryland, LLC (#56876) | Retail Power Marketer | 2,852 | 0.82x/yr | 118 min (2.0h) | 144 min | 15.80 ¢/kWh |
| Major Energy Electric Services (#56504) | Retail Power Marketer | 2,836 | 0.82x/yr | 118 min (2.0h) | 144 min | 15.47 ¢/kWh |
| AEP Energy (#55722) | Retail Power Marketer | 2,781 | 0.82x/yr | 118 min (2.0h) | 144 min | 10.29 ¢/kWh |
| Tomorrow Energy Corp. (#58952) | Retail Power Marketer | 2,755 | 0.82x/yr | 118 min (2.0h) | 144 min | 19.30 ¢/kWh |
| Town of Berlin - (MD) (#1615) | Municipal | 2,752 | 0.82x/yr | 118 min (2.0h) | 144 min | 13.80 ¢/kWh |
| Public Power & Utility of Maryland, LLC (#58116) | Retail Power Marketer | 2,697 | 0.82x/yr | 118 min (2.0h) | 144 min | 11.10 ¢/kWh |
| SmartEnergy Holdings, LLC (#58956) | Retail Power Marketer | 2,657 | 0.82x/yr | 118 min (2.0h) | 144 min | 11.19 ¢/kWh |
| Spring Energy RRH LLC (#60124) | Retail Power Marketer | 2,534 | 0.82x/yr | 118 min (2.0h) | 144 min | 16.11 ¢/kWh |
| Energy Harbor Corp. (#6458) | Retail Power Marketer | 2,208 | 0.82x/yr | 118 min (2.0h) | 144 min | 10.02 ¢/kWh |
| Green Mountain Energy Company (#7554) | Retail Power Marketer | 1,873 | 0.82x/yr | 118 min (2.0h) | 144 min | 15.33 ¢/kWh |
| StateWise Energy Maryland LLC (#62154) | Retail Power Marketer | 1,758 | 0.82x/yr | 118 min (2.0h) | 144 min | 10.95 ¢/kWh |