Electricity prices in Greenwich, CT
Households in Greenwich pay 24.5¢/kWh (Connecticut average), about $172 a month for 702 kWh a month, the Connecticut 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 | $123 | $1,471 |
| 1,000 kWh a month | $245 | $2,941 |
| 1,500 kWh a month | $368 | $4,412 |
| 2,000 kWh a month | $490 | $5,882 |
At 24.5¢/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 Greenwich
Commercial customers pay 19.3¢/kWh and industrial customers 16.2¢/kWh (Connecticut average).
Home running costs in Greenwich
In Greenwich, running an 860 sq ft home costs on average $103 a month excluding rent – 23% more expensive than the US average.
Monthly cost breakdown
Default home: 860 sq ft, 2 people, 2,500 kWh electricity a year.
Greenwich compared with the average for the United States
Your biggest saving opportunity
At today's prices a heat pump would cost about $40 a year more than a gas boiler in Greenwich; 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 8,092 kWh a year at 7.7¢/kWh.
Solar potential in Greenwich
1 kWp of solar panels produces about 1,470 kWh a year here. ($360 per year)
Not yet available for Greenwich: 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 Connecticut
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