How much do solar panels cost in New Hampshire?

In New Hampshire, solar panel installation averages about $3.18 per watt. For a typical $150 monthly electric bill, a 5.1 kW system (13 panels) costs approximately $16,536 before incentives, or $11,575 after the 30% federal tax credit.

Is solar worth it in New Hampshire?

Yes — with 4.58 peak sun hours per day and 27.2¢/kWh electricity rates, solar in New Hampshire typically pays for itself in 6.3 years. The rating is Strong.

Solar Panel Cost & Savings in New Hampshire (2026)

Quick New Hampshire Solar Facts

4.58

Peak Sun Hours/Day

27.2¢

Electricity Rate

$3.18

Install Cost/Watt

6.3 yrs

Avg Payback

In New Hampshire, a typical 5.1 kW system (13 panels) costs approximately $11,575 after the 30% federal tax credit. With 4.58 peak sun hours per day and 27.2¢/kWh electricity rates, annual savings average $1,823 with a payback period of 6.3 years. Rating: Strong. Source: NREL PVWatts v8 (PSH), US EIA July 2026 (rates), SEIA/EnergySage Q1 2026 (costs).

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How many solar panels do I need in New Hampshire?

For a typical home with a $150 monthly electric bill in New Hampshire, you need about 13 panels (5.2 kW system). Your exact number depends on your specific monthly usage and roof orientation.

What solar incentives are available in New Hampshire?

Every US homeowner qualifies for the 30% federal Investment Tax Credit (ITC) through 2032. Many states also offer additional incentives — check our main calculator's Incentives tab for New Hampshire-specific rebates, tax credits, and net metering policies.

Is New Hampshire a good state for solar?

New Hampshire has 4.58 peak sun hours per day (U.S. average: 4.98). With electricity at 27.2¢/kWh (U.S. average: 18.83¢/kWh), solar in New Hampshire typically pays for itself in 6.3 years. Overall rating: Strong.