The 10 best rated solar companies in New Hampshire in 2020

Compare their prices online

Compare the best solar energy companies in New Hampshire in 2020

Updated: November 4, 2020

There are currently 28 solar energy companies operating in New Hampshire. Below you can compare the prices and reputations of solar installers, solar panel manufacturers and other solar energy companies servicing New Hampshire today and learn how to select the best one.

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New Hampshire solar cost calculator

15 best rated solar installers in New Hampshire in 2020

Compare prices and reputations solar companies in your city

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Which solar company should I choose?

The reviews scores for the largest solar companies are far worse than those for local, family-owned solar installation companies.

The best solar companies meet the following criteria:

  • Local
  • Family-owned
  • Less than 50 staff
  • Has an office near you
  • Been in business longer than 5 years
  • Employs their own installation crews
  • Uses Tier 1 solar panels
  • Uses inverters from Enphase, SolarEdge, SMA or Fronius

The solar industry is full of fly-by-night solar companies — both big and small — that open one year and are gone the next.

Solar panels last for 25-30 years, so you want an installer who will help you with any problems or system faults. For this to happen, your installer needs to be able to stay in business

Local solar companies, as a group, have the highest reviews score on our site and also have lower overheads than corporate installers, making them more likely to survive in the long term.

New Hampshire solar stats:

Companies reviewed

15

Avg rating of New Hampshire solar installers

4.90

Avg size of residential system

8.97kW

Avg price 8.97kW installed system

$17,304 ($1.93 per watt)
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Installing a 10.2kW solar system in New Hampshire, 2020

Net cost of system

$17,900-$21,877

Average payback time

Annual power production

12,084 kWh

Levelized cost of solar energy

6¢ /kWh

If you don't get solar

29¢ /kWh

(25 year forecast of avg electric rates)

Savings over 25 years

$51,322 - $56,724
(Savings shown after repayments of capital)

Cash flow graph based on cash purchase of this 10.2kW system

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Solar panel cost in New Hampshire by system size

Table 1: Average cost of residential solar systems by system size
System size* Avg cost per watt Avg cost
(After tax credit) show before tax
4kW $3.09 $9,143
5kW $2.96 $10,963
6kW $2.83 $12,556
7kW $2.80 $14,509
8kW $2.86 $16,931
9kW $2.74 $18,235
10kW $2.71 $20,061
12kW $2.73 $24,242
15kW $2.57 $28,494

Going solar in New Hampshire

Check out all of the ways energy providers of New Hampshire can help you be more energy efficient and save money.

Table 2: Available incentive programs
Eligibility: Federal incentive
Type: Personal Tax Credit
Eligibility: State incentive
Type: Property Tax Incentive

Showing 1 - 2 of 4

Note: Please keep in mind that the best source of up-to-date information on incentives are the solar installers who specialize in your area.

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