Solar Panel Cost in New Hampshire (2023 Local Savings Guide)

Here’s a quick look at the estimated cost of solar in New Hampshire:

  • Average Cost Per Watt: $2.91
  • Cost of Average System: $13,240*
  • Cost of Energy Without Solar: $47,324
  • Payback Period: 9 Years**
  • Lifetime Savings of Going Solar: $34,084

*Average system size is calculated using data from the Energy Information Administration. This price is after tax credit.
**Payback period is calculated assuming the system is purchased in cash.

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Cost of Solar Panels in New Hampshire

Solar panels in New Hampshire average around $2.91 per watt, above the national average of $2.66 per watt. Most homeowners in the Granite State find that they need a 6.5-kW system to offset electricity costs entirely. Based on the average per-watt price, that means most systems will cost around $18,915 before the federal tax credit or $13,240 after.

This total cost is well below the national average because the system size needed is smaller than in most states. New Hampshire residents don’t use much energy, comparatively, but the electricity rates are high — 21.17 cents per kilowatt-hour as opposed to a national average of 14.7 cents — making solar a worthwhile investment for most.

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All Energy Solar

Outstanding Regional Installer

Regional Service

EcoWatch rating

Average cost


  • Full-service home energy solutions
  • Excellent reputation
  • NABCEP-certified technicians


  • Expensive
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ReVision Energy

Outstanding Social Impact

Regional Service

EcoWatch rating

Average cost


  • Comprehensive service offerings
  • Certified B Corp
  • Many years of experience


  • Relatively short workmanship warranty
  • No leases or PPAs
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New England Clean Energy

Outstanding Regional Installer

Regional Service

EcoWatch rating

Average cost


  • Many financing options
  • Competitive pricing
  • Great warranty coverage


  • Limited brands of solar equipment available
  • Slightly limited service offerings

Solar Panel System Installation Cost in New Hampshire

When you’re estimating the cost of your solar power system, the most crucial factor to consider is the size of the solar system, which is based on your monthly energy needs. Every kilowatt you need to add to your system will bump up your total costs by nearly $3,000, so the system size is the most significant cost factor. The table below provides standard system sizes in NH, along with pricing before and after the federal tax credit.

Size of Solar Panel System New Hampshire Solar Panel Cost Cost After Federal Tax Credit
4 kW $11,640 $8,148
5 kW $14,550 $10,185
6 kW $17,460 $12,222
7 kW $20,370 $14,259
8 kW $23,280 $16,296
9 kW $26,190 $18,333
10 kW $29,100 $20,370

Want to get a free quote for solar but not sure which company to turn to in New Hampshire? Click here to see our review of the top solar installers in your area.

See also: Calculate how much you can save by going solar

What Determines the Cost of Solar Panels in New Hampshire?

Most homeowners want to know roughly what their solar panel systems will cost before they delve into the process of getting quotes. Unfortunately, it’s challenging to say what your total will be in New Hampshire without assessing your property specifically, but typical prices range from $8,614 up to $21,534. 

Below, we’ll discuss some of the factors that determine where in this range your price will fall.

solar panels against a clear blue skySolar Equipment

Equipment is the biggest cost factor when it comes to pricing out your solar panels. The brand and the add-on products you choose can both have significant effects on your total tab.

New Hampshire receives around 198 days of sun per year, which is below the national average of 205 days. Generally speaking, 198 days of sun produces enough power to offset electric bills in NH without the need for higher-cost high-efficiency panels. 

In states that get less sun, these high-efficiency panels are needed to make the most of limited sunlight, raising the overall system cost. Luckily, New Hampshirites can get away without incurring this extra expense. 

On the other hand, equipment prices in New Hampshire tend to be higher overall because of the need for solar batteries. New Hampshire experiences more power outages than most states because of heavy snowfall, nor’easters and other extreme weather events, so having solar batteries that can keep you switched on through outages is a great option.1 

Solar batteries are add-on products that can cost tens of thousands of dollars, so choosing them, while convenient, will drive up your total system price.

Solar Financing in New Hampshire

The way you pay for your solar panel system will affect your total cost as well. There are two main options that will result in you owning your system cash purchase and solar loan. 

Buying with cash means you’ll have to come up with a large up-front payment, but you won’t have interest adding potentially thousands to your total system cost when all is said and done. For many homeowners, though, cash up front is not a viable option, so they choose the convenience and accessibility of a solar loan.

While New Hampshire is a solar-friendly state, there aren’t many statewide financing options available for solar systems. The Granite State does offer Property Assessed Clean Energy (PACE) financing, but only for commercial customers. 

New Hampshire Solar Installation Company

The company you choose to handle your solar panel system installation affects your experience and the quality of your system, but it also impacts your pricing. Each company has different labor rates and can upcharge or discount equipment. 

In most cases, these practices lead to modest price differences, but the type and brand of equipment each company carries and installs represents more significant differences sometimes in the thousands of dollars.

For example, All Energy Solar, one of the best solar companies in New Hampshire, carries equipment from brands including Enphase, Tesla, Longi, JA Solar, REC and SolarEdge. 

Venture Solar, another company operating in NH, only offers SunPower and LG. These are tier-one panel brands, while some of the options from All Energy are considered tier-two brands. 

If you choose a tier-one brand from Venture Solar, your system cost will likely be thousands of dollar higher than if you chose a tier-two brand from All Energy Solar but the system from Venture will be higher quality. This is why it’s important to assess companies based on value and not just on cost.

Additional Considerations and Costs in New Hampshire

Below are some additional things you should consider before choosing a solar installer for your project.

  • Permits: New Hampshire requires that all homeowners planning to install solar panel systems have building permits pulled before any work begins. You should confirm with your installer that it will handle the permitting process.
  • Licenses: NH requires that someone with a master electrician license complete or oversee solar installations. Licensing is crucial for a safe installation, so make sure your installer can provide the proper licensing.
  • Warranties: Solar warranties protect your solar investment and your property, and help ensure your panels work as intended. Make sure you understand your warranties, and keep in mind that longer-lasting, more comprehensive coverage provides more benefit.
  • HOAs: New Hampshire doesn’t have statewide solar rights laws — they’re left up to individual jurisdictions.2 You should check with your town or city to see if you need permission from your homeowners’ association to install solar.
  • Environmental zoning: New Hampshire is pro-solar, and the zoning laws shouldn’t give you any issues with installing rooftop solar systems.

New Hampshire Solar Incentives

New Hampshire is considered a very solar-friendly state, which is to say that there is a multitude of tax incentives, credits and rebate programs available to homeowners. We’ll discuss all of the solar incentives available in New Hampshire below.

Federal Solar Tax Credit For New Hampshire Homeowners

The most sizable credit or rebate that New Hampshire residents will receive for going solar is the federal solar investment tax credit (ITC). The federal government incentivizes converting to renewable energy by offering a 30% rebate for all solar equipment and installation costs. In New Hampshire, that averages out to a typical rebate of $5,675.

This massive credit is available to U.S. residents through 2032. In 2033, the rebate percentage will dip to 26%, and in 2034, it will dip to 22%. The rebate will expire in 2035 unless it is renewed. 

Net Metering Policies in New Hampshire

Net metering is a policy that allows two-way energy movement between your home and the electric grid. When your solar panels fail to produce the energy your home is using, the grid will make up the difference, and you’ll be billed for the energy consumed. When your panels are overproducing, the excess goes to the power company, and you earn energy credits. Credits can be used to reduce your bill in future billing cycles.

If you have Eversource, Liberty Utilities, New Hampshire Electric Cooperative or Unitil as your power provider, net metering is available to you. Eversource has the best net metering policy in the state, with no cap on overproduction on systems up to 100 kW — virtually every home solar project — and unlimited roll-over up to 600 kWh per year. This makes it very easy to eliminate your electric bills in New Hampshire.

Local Solar Rebates in New Hampshire

close-up of solar panels reflecting the sky In addition to the benefits of net metering and the federal tax credit, New Hampshire homeowners have access to several other incentives.

First, homeowners throughout the state can earn money with their solar panel systems by accruing and selling Renewable Energy Credits (RECs). RECs are earned naturally for all energy you produce via solar panels or other renewable sources. The state mandates that power companies pay homeowners for RECs annually, so your electric company will pay you rather than the other way around if you produce enough energy.

Perhaps most important to homeowners is the solar property tax exemption in NH. Most home improvements — including going solar — increase the value of your home. When the value increases, so do your property taxes. The property tax exemption, however, means that your taxes won’t increase from installing your solar equipment, even though your home value will. This could save thousands or tens of thousands of dollars over the life of your system.

New Hampshire has also established solar access laws, which guarantee every homeowner access to solar energy. That means that you can install solar panels even if you live in a strict HOA that prohibits other exterior renovations, and you can rest assured that your panels will never be blocked by neighbors or buildings in the area.

There might be additional rebates available for your particular municipality or electric company. You can check the DSIRE database for more information.

The Best Solar Panel Brands Available in New Hampshire

The table below includes some of the best solar panel brands available in New Hampshire. We’re also including relative pricing for each so that you can decide which ones are most likely to fit your budget and which will be a stretch.

Solar Panel Brand Average Cost Per Watt ($-$$$$$)
LG Solar $$$
Canadian Solar $$$
JA Solar $$
Mission Solar $$
Panasonic $$
Q Cells $$
REC $$$
Silfab $$$
SunPower $$$$$
Tesla $$
Trina Solar $$$

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FAQs: Solar Panel Cost New Hampshire

We get tons of questions from New Hampshire homeowners about converting to clean energy and what the process costs. Below are the questions we see most frequently. If you have specific questions that aren’t answered here, reach out to our team of solar experts at

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Article author
Karsten is an editor and energy specialist focused on environmental, social and cultural development. His work has been shared by sources including NPR, the World Economic Forum, Marketwatch and the SEIA, and he is certified in ESG with the CFA Institute. Before joining EcoWatch, Karsten worked in the solar energy sector, studying energy policy, climate tech and environmental education. A lover of music and the outdoors, Karsten might be found rock climbing, canoeing or writing songs when away from the workplace.
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Expert reviewer
Melissa is an avid writer, scuba diver, backpacker and all-around outdoor enthusiast. She graduated from the University of Florida with degrees in journalism and sustainability studies. Before joining EcoWatch, Melissa worked as the managing editor of Scuba Diving magazine and the communications manager of The Ocean Agency, a nonprofit that’s featured in the Emmy award-winning documentary Chasing Coral.

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