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Is Solar Worth It in New Hampshire? 2026 Rates & Payback

Is solar worth it in New Hampshire?

Worth considering

At 26.6¢/kWh, a system in New Hampshire pays for itself in about 8.8 years — reasonable, but not exceptional.

Electricity here is 38% more expensive than the national average (~19.3¢/kWh).

Rates in New Hampshire rose 29% from 2020 to 2025. If prices rise 3% a year, payback drops to about 7.9 years. Try other scenarios ↓

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Estimates only. Actual results depend on your home, installer and local rules. Learn more: Is solar worth it in 2026? · What if electricity prices rise?

Residential rate

26.6¢

per kWh

Est. monthly bill

$239

at 900 kWh/mo

Solar payback

8.8

years

At 26.6¢/kWh, a home using 900 kWh a month pays about $239. A 6 kW rooftop system here produces roughly 7,681 kWh a year. At $3.00/W ($18,000, before incentives), the savings would pay off the system in about 8.8 years — faster than most states.

Estimate your savings

Enter your monthly bill to see your estimate.

Estimate based on average system size and current rates. Actual results vary.

What if electricity prices rise?

Many states have seen rates rise faster than 3% in recent years.

Estimated payback

7.9 yrs

Savings over 10 years

$23,422

Savings over 25 years

$74,492

Do nothing: over 25 years you'd pay about $74,492 for the electricity a 6 kW system would otherwise produce — money that stays with the utility instead of paying off your panels.

Estimates only. Actual results depend on your home, installer and local rules.

Electricity rate trend

From 2020 to 2025, the average residential rate went from 19.0¢ to 24.6¢/kWh — +29% in 5 years.

If rates continue at a similar pace, solar payback shortens further.

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Electricity price trend

Electricity in New Hampshire went up 33% since 2015 (about 2.9% per year).

Average residential price, ¢/kWh (EIA yearly data).

25-year savings, flat prices

$51,079

If prices keep rising like they have

$73,271

For a 6 kW system. Yearly price rise capped at 5% in this estimate. Future prices are not guaranteed.

Major utilities & net metering

Eversource
Unitil
Liberty

Mostly flat residential rates; ask about optional time-of-use plans.

Net metering: Reduced export credit — exported power earns less than retail, so self-use and batteries matter more.

General guide — check your utility for current rates.

Solar installers in New Hampshire

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Bay State Sun (example)

Verified

Worcester, MA · 7 yrs in business · NABCEP certified

Solar · Batteries

Serves: MA, RI, NH

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Data based on EIA and NREL PVWatts (rates for 2026-07).