WattBuy’s Guide to

Electricity in
New Castle

New Hampshire

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The State of Electricity in New Castle

Here's the average monthly bill, usage, and carbon footprint of residents in New Castle

Average monthly bill

























Carbon Emissions

227 lbs CO₂

Monthly Usage

707 kWh

Where does New Castle’s electricity come from?

New Castle's energy comes from Nuclear, Natural Gas, Hydroelectric, Wind, and Coal. Nuclear is the largest source of electricity, providing 70% of New Castle's energy. Natural Gas is the second largest source, making up 17%. Hydroelectric provides 8% of the energy in New Castle. Wind provides 3% of the energy in New Castle. Coal provides 2% of the energy in New Castle.




Natural Gas







Solar energy in New Castle

The state of solar in New Castle

Solar power is on the rise, helping homeowners save on their electricity bills and power their homes sustainably.

468 kWh

Energy generated by average sized system


Average system cost

(after federal incentive)

6 years

Payback period

Learn More about solar
Net Metering Available

Get paid for the extra solar you produce

Net metering policies in New Castle can help solar panel owners save money and reduce their carbon footprint. When your solar panels generate more electricity than you use, you can send the excess back to the grid and receive credit on your next bill. Just something to keep in mind when considering solar panels.

Electricity Providers in New Castle

There are a variety of electricity plans available to residents of New Castle. The following companies provide electricity plans in the city:

Utilities in New Castle

Eversource Energy - New Hampshire

Eversource Energy - New Hampshire Rates

Eversource Energy - New Hampshire has several different electricity rates for residential customers, as shown in the table below.

Rate NameRate TypeCost Per kWh
Residential Time-of-Day ServiceTOU17¢ to 33¢
Residential Uncontrolled Water Heating RateFixed19¢
Residential Time-of-Day Service Rate 2TOU20¢ to 31¢
Residential Time-of-DayTOU27¢ to 36¢
Residential Time-of-DayTOU7¢ to 16¢
Residential Controlled Water Heating RateFixed19¢
Residential Standard Service Fixed23¢

Eversource Energy - New Hampshire Electricity Plans in New Castle

The price to compare for Eversource Energy - New Hampshire is 8.29¢. Rates are based on an estimated usage of 707 kWh per month.Update usage.

ProviderPlanRate Per kWhPlan Length
ENH Power

Worry Free 12

cheapestcheapest 12 months
See Details
10.59¢12 monthsChoose Plan
ENH Power

Business Choice 12

10.59¢12 monthsChoose Plan
ENH Power

Worry Free Renewable 12

cheapest renewable
10.79¢12 monthsChoose Plan
ENH Power

Business Renewable Choice 12

cheapest renewable
10.79¢12 monthsChoose Plan

Learn About Electricity in Other Cities in New Hampshire

AllenstownAuburnBedfordBoscawenBowCandiaCanterburyChesterChichesterConcordDerryDoverDunbartonDurhamEpsomExeterGoffstownGreenlandHollisHooksettHopkintonHudsonKeeneLaconiaLeeLitchfieldLondonderryLoudonMadburyManchesterMerrimackMilfordNashuaNewfieldsNewingtonNewmarketNorth HamptonPelhamPembrokePlaistowPortsmouthRochesterRollinsfordRyeSalemSomersworthStrathamSuncookWindham

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