Official EIA-861 State Grid Summary
New Hampshire Power Outage Risk, Electric Utilities & Generator Sizing
New Hampshire households average 15.4 hrs/yr (923 minutes/year) of total blackout duration across 2.02 outages/year (Reliability Grade F — Severe Outage Risk), with an average residential electricity rate of 23.55 ¢/kWh.
Interactive Appliance Load Calculator
⚡ Home Backup Wattage Sizer for New Hampshire
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 New Hampshire
Manchester→Nashua→Concord→Dover→Rochester→Keene→Portsmouth→Laconia→Lebanon→Claremont→Somersworth→Berlin→Franklin→
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Electric Utilities Operating in New Hampshire (EIA Form 861)
| Utility Name | Ownership | Customers | Outages/Yr | Annual Outage Time | Avg Restoration | Residential Rate |
|---|---|---|---|---|---|---|
| Public Service Co of NH (#15472) | Investor-Owned | 279,131 | 1.60x/yr | 786 min (13.1h) | 490 min | 22.65 ¢/kWh |
| Community Power Coalition of NH (#65649) | Community Choice Aggregator | 104,562 | 2.02x/yr | 923 min (15.4h) | 457 min | 8.71 ¢/kWh |
| New Hampshire Elec Coop Inc (#13441) | Cooperative | 72,772 | 5.24x/yr | 2410 min (40.2h) | 460 min | 23.83 ¢/kWh |
| Direct Energy Services (#54820) | Retail Power Marketer | 60,246 | 2.02x/yr | 923 min (15.4h) | 457 min | 12.99 ¢/kWh |
| Unitil Energy Systems (#24590) | Investor-Owned | 39,656 | 1.73x/yr | 593 min (9.9h) | 343 min | 23.33 ¢/kWh |
| Liberty Utilities (Granite State Electri (#26510) | Investor-Owned | 24,689 | 1.55x/yr | 370 min (6.2h) | 238 min | 22.87 ¢/kWh |
| Electricity NH, LLC (#58086) | Retail Power Marketer | 15,091 | 2.02x/yr | 923 min (15.4h) | 457 min | 15.64 ¢/kWh |
| North American Power and Gas, LLC (#58667) | Retail Power Marketer | 13,154 | 2.02x/yr | 923 min (15.4h) | 457 min | 16.32 ¢/kWh |
| First Point Power, LLC (#59793) | Retail Power Marketer | 11,136 | 2.02x/yr | 923 min (15.4h) | 457 min | 10.28 ¢/kWh |
| SmartEnergy Holdings, LLC (#58956) | Retail Power Marketer | 11,072 | 2.02x/yr | 923 min (15.4h) | 457 min | 15.46 ¢/kWh |
| Town of Wolfeboro - (NH) (#20913) | Municipal | 5,845 | 2.02x/yr | 923 min (15.4h) | 457 min | 14.26 ¢/kWh |
| Town Square Energy (#59059) | Retail Power Marketer | 4,601 | 2.02x/yr | 923 min (15.4h) | 457 min | 14.81 ¢/kWh |
| Town of Littleton - (NH) (#11196) | Municipal | 4,005 | 2.02x/yr | 923 min (15.4h) | 457 min | 17.59 ¢/kWh |
| Energywell LLC (#65310) | Retail Power Marketer | 2,702 | 2.02x/yr | 923 min (15.4h) | 457 min | 12.66 ¢/kWh |
| FairPoint Energy LLC (#58158) | Retail Power Marketer | 2,213 | 2.02x/yr | 923 min (15.4h) | 457 min | 18.61 ¢/kWh |
| Town of Ashland (#906) | Municipal | 1,821 | 2.02x/yr | 923 min (15.4h) | 457 min | 16.83 ¢/kWh |
| Ambit Energy Holdings, LLC (#56212) | Retail Power Marketer | 1,423 | 2.02x/yr | 923 min (15.4h) | 457 min | 15.28 ¢/kWh |
| Titan Gas LLC (#59065) | Retail Power Marketer | 1,204 | 2.02x/yr | 923 min (15.4h) | 457 min | 13.16 ¢/kWh |
| Precinct of Woodsville (#20980) | Municipal | 1,028 | 2.02x/yr | 923 min (15.4h) | 457 min | 15.99 ¢/kWh |
| XOOM Energy New Hampshire, LLC (#58633) | Retail Power Marketer | 1,008 | 2.02x/yr | 923 min (15.4h) | 457 min | 14.12 ¢/kWh |
| Clearview Electric Inc. (#58974) | Retail Power Marketer | 794 | 2.02x/yr | 923 min (15.4h) | 457 min | 27.75 ¢/kWh |
| New Hampton Village Precinct (#13286) | Municipal | 89 | 2.02x/yr | 923 min (15.4h) | 457 min | 12.86 ¢/kWh |
| Summer Energy Northeast, LLC (#61200) | Retail Power Marketer | 17 | 2.02x/yr | 923 min (15.4h) | 457 min | 50.00 ¢/kWh |