Electricity prices in Windham, NH
Households in Windham pay 27.6¢/kWh (New Hampshire average), about $178 a month for 643 kWh a month, the New Hampshire household average. Today's wholesale price in New England (ISO-NE hub) averages 4.2¢/kWh; the cheapest hours are 1 am, 2 am, 11 am.
Monthly electricity bill by consumption
| Consumption | Per month | Per year |
|---|---|---|
| 500 kWh a month | $138 | $1,658 |
| 1,000 kWh a month | $276 | $3,317 |
| 1,500 kWh a month | $415 | $4,975 |
| 2,000 kWh a month | $553 | $6,634 |
At 27.6¢/kWh, the average household price including taxes and fixed charges (August 2026). Small households usually pay a little more per kWh, large ones a little less.
Electricity prices in New England (ISO-NE hub) today
Business electricity in Windham
Commercial customers pay 21.0¢/kWh and industrial customers 17.3¢/kWh (New Hampshire average).
Home running costs in Windham
In Windham, running an 860 sq ft home costs on average $116 a month excluding rent – 39% more expensive than the US average.
Monthly cost breakdown
Default home: 860 sq ft, 2 people, 2,500 kWh electricity a year.
Windham compared with the average for the United States
Your biggest saving opportunity
At today's prices a heat pump would cost about $205 a year more than a gas boiler in Windham; check the incentives available before deciding.
Running your washing machine, dishwasher and car charging in the cheapest hours instead of the evening peak saves about 1.8¢/kWh per kWh moved (New England (ISO-NE hub)).
Gas boiler vs heat pump calculator · Monthly home running cost calculator
Heating need through the year
Heating with a gas boiler: about 9,844 kWh a year at 7.1¢/kWh.
Solar potential in Windham
1 kWp of solar panels produces about 1,372 kWh a year here. ($379 per year)
Not yet available for Windham: Water.
How we calculate this
Electricity: average residential price per kWh in the state (August 2026). Heating: heating degree days for the location × floor area × building factor, priced with the gas boiler cost (state residential natural gas price). Water and rent are added when official data is available. Methodology
Nearby cities
More cities in New Hampshire
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