Official EIA-861 State Grid Summary
Delaware Power Outage Risk, Electric Utilities & Generator Sizing
Delaware households average 1.9 hrs/yr (116 minutes/year) of total blackout duration across 0.84 outages/year (Reliability Grade A — Low Outage Risk), with an average residential electricity rate of 16.57 ¢/kWh.
Interactive Appliance Load Calculator
⚡ Home Backup Wattage Sizer for Delaware
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 Delaware
Wilmington→Dover→Newark→Middletown→Milford→Smyrna→Seaford→Georgetown→Millsboro→Elsmere→New Castle→Clayton→Laurel→Camden→Harrington→Milton→Lewes→Selbyville→Ocean View→Townsend→Bridgeville→Cheswold→Delmar→Millville→Delaware→Wyoming→Felton→Blades→Rehoboth Beach→Bellefonte→Frederica→Greenwood→Bethany Beach→
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Electric Utilities Operating in Delaware (EIA Form 861)
| Utility Name | Ownership | Customers | Outages/Yr | Annual Outage Time | Avg Restoration | Residential Rate |
|---|---|---|---|---|---|---|
| Delmarva Power (#5027) | Investor-Owned | 275,018 | 0.77x/yr | 127 min (2.1h) | 165 min | 17.23 ¢/kWh |
| Delaware Electric Cooperative (#5070) | Cooperative | 104,839 | 1.11x/yr | 96 min (1.6h) | 86 min | 14.22 ¢/kWh |
| City of Dover - (DE) (#5335) | Municipal | 21,601 | 0.84x/yr | 116 min (1.9h) | 138 min | 15.52 ¢/kWh |
| City of Newark - (DE) (#13519) | Municipal | 11,888 | 0.77x/yr | 84 min (1.4h) | 110 min | 18.99 ¢/kWh |
| Town of Middletown - (DE) (#12478) | Municipal | 9,071 | 0.84x/yr | 116 min (1.9h) | 138 min | 17.12 ¢/kWh |
| City of Milford - (DE) (#12540) | Municipal | 7,169 | 0.20x/yr | 20 min (0.3h) | 100 min | 15.17 ¢/kWh |
| Town of Smyrna - (DE) (#17457) | Municipal | 6,478 | 0.84x/yr | 116 min (1.9h) | 138 min | 15.15 ¢/kWh |
| City of Seaford- (DE) (#16852) | Municipal | 4,383 | 0.84x/yr | 116 min (1.9h) | 138 min | 15.11 ¢/kWh |
| Reliant Energy Northeast LLC (#57037) | Retail Power Marketer | 4,049 | 0.84x/yr | 116 min (1.9h) | 138 min | 14.32 ¢/kWh |
| City of Lewes - (DE) (#10935) | Municipal | 4,017 | 0.84x/yr | 116 min (1.9h) | 138 min | 14.64 ¢/kWh |
| Inspire Energy Holdings, LLC (#59310) | Retail Power Marketer | 3,555 | 0.84x/yr | 116 min (1.9h) | 138 min | 12.71 ¢/kWh |
| Direct Energy Services (#54820) | Retail Power Marketer | 3,201 | 0.84x/yr | 116 min (1.9h) | 138 min | 12.27 ¢/kWh |
| CleanChoice Energy, Inc. (#58951) | Retail Power Marketer | 3,044 | 0.84x/yr | 116 min (1.9h) | 138 min | 14.75 ¢/kWh |
| New Castle Municipal Serv Comm (#13424) | Municipal | 2,924 | 0.84x/yr | 116 min (1.9h) | 138 min | 13.94 ¢/kWh |
| SmartEnergy Holdings, LLC (#58956) | Retail Power Marketer | 2,260 | 0.84x/yr | 116 min (1.9h) | 138 min | 15.85 ¢/kWh |
| WGL Energy Services, Inc. (#20659) | Retail Power Marketer | 1,995 | 0.84x/yr | 116 min (1.9h) | 138 min | 10.36 ¢/kWh |
| Town of Clayton - (DE) (#3732) | Municipal | 1,821 | 0.84x/yr | 116 min (1.9h) | 138 min | 16.78 ¢/kWh |
| Residents Energy, LLC (#59809) | Retail Power Marketer | 1,673 | 0.84x/yr | 116 min (1.9h) | 138 min | 14.33 ¢/kWh |
| Just Energy Solutions Inc. (#4100) | Retail Power Marketer | 1,515 | 0.84x/yr | 116 min (1.9h) | 138 min | 13.21 ¢/kWh |
| Rushmore Energy, LLC (#59807) | Retail Power Marketer | 1,137 | 0.84x/yr | 116 min (1.9h) | 138 min | 10.78 ¢/kWh |
| Spark Energy, LP (#17710) | Retail Power Marketer | 881 | 0.84x/yr | 116 min (1.9h) | 138 min | 12.52 ¢/kWh |
| Clearview Electric Inc. (#58974) | Retail Power Marketer | 770 | 0.84x/yr | 116 min (1.9h) | 138 min | 17.11 ¢/kWh |
| Constellation NewEnergy, Inc (#13374) | Retail Power Marketer | 712 | 0.84x/yr | 116 min (1.9h) | 138 min | 9.97 ¢/kWh |
| XOOM Energy Delaware, LLC (#58632) | Retail Power Marketer | 362 | 0.84x/yr | 116 min (1.9h) | 138 min | 14.11 ¢/kWh |
| Ambit Energy Holdings, LLC (#56212) | Retail Power Marketer | 292 | 0.84x/yr | 116 min (1.9h) | 138 min | 13.63 ¢/kWh |
| Palmco Power DE, LLC (#61349) | Retail Power Marketer | 248 | 0.84x/yr | 116 min (1.9h) | 138 min | 18.86 ¢/kWh |
| NextEra Energy Services, LLC (#7279) | Retail Power Marketer | 211 | 0.84x/yr | 116 min (1.9h) | 138 min | 14.61 ¢/kWh |
| Discount Power Inc - (CT) (#59993) | Retail Power Marketer | 203 | 0.84x/yr | 116 min (1.9h) | 138 min | 19.11 ¢/kWh |
| Nordic Energy Services, LLC (#59088) | Retail Power Marketer | 197 | 0.84x/yr | 116 min (1.9h) | 138 min | 12.62 ¢/kWh |
| Stream Energy Delaware, LLC (#61201) | Retail Power Marketer | 172 | 0.84x/yr | 116 min (1.9h) | 138 min | 15.69 ¢/kWh |
| Park Power LLC (#59797) | Retail Power Marketer | 139 | 0.84x/yr | 116 min (1.9h) | 138 min | 22.38 ¢/kWh |
| RPA Energy, Inc. (#63695) | Retail Power Marketer | 129 | 0.84x/yr | 116 min (1.9h) | 138 min | 21.20 ¢/kWh |
| Atlantic Energy LLC (#60583) | Retail Power Marketer | 117 | 0.84x/yr | 116 min (1.9h) | 138 min | 20.65 ¢/kWh |
| Titan Gas LLC (#59065) | Retail Power Marketer | 108 | 0.84x/yr | 116 min (1.9h) | 138 min | 12.37 ¢/kWh |
| MidAmerican Energy Services, LLC (#59931) | Retail Power Marketer | 82 | 0.84x/yr | 116 min (1.9h) | 138 min | 5.48 ¢/kWh |