Official EIA-861 State Grid Summary
Connecticut Power Outage Risk, Electric Utilities & Generator Sizing
Connecticut households average 2.6 hrs/yr (154 minutes/year) of total blackout duration across 0.88 outages/year (Reliability Grade B — Moderate Outage Risk), with an average residential electricity rate of 29.27 ¢/kWh.
Interactive Appliance Load Calculator
⚡ Home Backup Wattage Sizer for Connecticut
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 Connecticut
Bridgeport→Stamford→New Haven→Hartford→Waterbury→Norwalk→Danbury→New Britain→Bristol→Meriden→West Haven→Milford→Middletown→Shelton→Norwich→Torrington→Naugatuck→New London→Ansonia→Derby→Groton→Danielson→Jewett→Woodmont→Newtown→Litchfield→Stonington→
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Electric Utilities Operating in Connecticut (EIA Form 861)
| Utility Name | Ownership | Customers | Outages/Yr | Annual Outage Time | Avg Restoration | Residential Rate |
|---|---|---|---|---|---|---|
| Connecticut Light & Power Co (#4176) | Investor-Owned | 924,132 | 0.89x/yr | 159 min (2.6h) | 178 min | 28.51 ¢/kWh |
| United Illuminating Co (#19497) | Investor-Owned | 256,302 | 0.79x/yr | 122 min (2.0h) | 154 min | 34.04 ¢/kWh |
| Constellation NewEnergy, Inc (#13374) | Retail Power Marketer | 125,376 | 0.88x/yr | 154 min (2.6h) | 176 min | 12.69 ¢/kWh |
| Town Square Energy (#59059) | Retail Power Marketer | 67,591 | 0.88x/yr | 154 min (2.6h) | 176 min | 12.35 ¢/kWh |
| Direct Energy Services (#54820) | Retail Power Marketer | 51,430 | 0.88x/yr | 154 min (2.6h) | 176 min | 12.80 ¢/kWh |
| Energywell LLC (#65310) | Retail Power Marketer | 26,417 | 0.88x/yr | 154 min (2.6h) | 176 min | 11.75 ¢/kWh |
| Town of Wallingford - (CT) (#20038) | Municipal | 21,405 | 0.81x/yr | 214 min (3.6h) | 264 min | 15.65 ¢/kWh |
| City of Norwich - (CT) (#13831) | Municipal | 18,870 | 1.45x/yr | 288 min (4.8h) | 199 min | 22.78 ¢/kWh |
| XOOM Energy Connecticut, LLC (#57487) | Retail Power Marketer | 12,460 | 0.88x/yr | 154 min (2.6h) | 176 min | 13.30 ¢/kWh |
| Groton Dept of Utilities - (CT) (#7716) | Municipal | 12,284 | 0.75x/yr | 117 min (1.9h) | 156 min | 18.70 ¢/kWh |
| City of South Norwalk - (CT) (#17569) | Municipal | 7,428 | 0.88x/yr | 154 min (2.6h) | 176 min | 18.77 ¢/kWh |
| Major Energy Electric Services (#56504) | Retail Power Marketer | 5,931 | 0.88x/yr | 154 min (2.6h) | 176 min | 12.63 ¢/kWh |
| North American Power and Gas, LLC (#58667) | Retail Power Marketer | 4,254 | 0.88x/yr | 154 min (2.6h) | 176 min | 17.22 ¢/kWh |
| Norwalk Third Taxing District (#13825) | Municipal | 4,104 | 0.88x/yr | 154 min (2.6h) | 176 min | 17.43 ¢/kWh |
| Bozrah Light & Power Company (#2089) | Municipal | 2,434 | 1.03x/yr | 278 min (4.6h) | 270 min | 19.33 ¢/kWh |
| City of Jewett City - (CT) (#9734) | Municipal | 2,331 | 0.88x/yr | 154 min (2.6h) | 176 min | 18.62 ¢/kWh |
| Reliant Energy Northeast LLC (#57037) | Retail Power Marketer | 107 | 0.88x/yr | 154 min (2.6h) | 176 min | 8.02 ¢/kWh |
| Mohegan Tribal Utility Authority (#49826) | Political Subdivision | 76 | 0.88x/yr | 154 min (2.6h) | 176 min | 12.48 ¢/kWh |
| Energy Plus Holdings LLC (#56265) | Retail Power Marketer | 30 | 0.88x/yr | 154 min (2.6h) | 176 min | 7.98 ¢/kWh |