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Professional solar installation serving Portsmouth and surrounding New Hampshire communities. Local expertise, proven results.
$160
Avg. Electric Bill/mo
$650,000
Avg. Home Value
22,134
Population
Homeowners in Portsmouth trust NuWatt Energy for reliable, high-performance solar installations. Average monthly electric bills of $160 make Portsmouth a prime market for residential solar, and the area's Excellent solar potential ensures strong energy production year-round.
Available New Hampshire incentives further improve the ROI: Net Metering, Property Tax Exemption, No Sales Tax, REC Markets.
NuWatt's certified New Hampshire teams deliver 24-48 hour service response to Portsmouth and nearby communities. With home values averaging $650,000, a solar investment protects against rising utility costs for 25+ years.
Portsmouth has excellent conditions for solar energy production.
Portsmouth's location provides excellent sun exposure for solar energy production throughout the year.
With average bills of $160/month, solar provides significant monthly savings for Portsmouth residents.
Solar adds value to Portsmouth homes with average values of $650,000 while reducing energy costs.
Understanding your utility is key to maximizing solar savings.
Residential Rate
21¢/kWh
5¢ above the national average of 16¢
Net Metering
Available
Full retail credit for systems up to 100 kW; monthly rollover with annual cash-out
What a typical Portsmouth homeowner can expect from solar.
6.7 kW
Recommended System
$20,683
Est. Cost After Incentives
10.8 yrs
Payback Period
$70,011
25-Year Savings
Based on Portsmouth average electric bill of $160/mo at 21¢/kWh. 17 panels, 6.7 kW system.
From first call to power-on, here's your timeline.
Site assessment, system design, and savings estimate for your Portsmouth home.
1-2 days
Engineering design and permits through the Town Building Inspector.
7-14 business days
Certified crews install your panels and electrical equipment.
1-3 days
City inspection and Eversource / Liberty Utilities interconnection approval.
2-4 weeks after install
NuWatt handles all permitting and utility coordination — you don't have to call anyone.
Portsmouth homeowners can take advantage of these New Hampshire incentives.
Earn credits for surplus power to use during winter months.
100% property tax exemption for solar energy systems.
Save immediately by paying 0% sales tax on your equipment.
Sell your Renewable Energy Certificates for extra cash.
Full-service solar installation and support for Portsmouth homeowners.
Custom solar systems for Portsmouth homes of all sizes.
Backup power for outages and energy independence.
Home EV charging powered by your solar system.
Industry-leading protection for your investment.
Local expertise and national resources for the best solar experience.
Local New Hampshire Teams
Installers who live and work in your community.
24-48 Hour Response
Fast service calls for Portsmouth customers.
Incentive Experts
We maximize every New Hampshire incentive available.
450+ New Hampshire Installations
Proven track record across New Hampshire.
Your Project, Our Responsibility
We manage every step — design, installation, and service. One point of contact.
See how much you can save with solar in Portsmouth. Free quote, no obligation.
Solar costs in Portsmouth vary based on system size and your home's characteristics. With average electric bills of $160/month, most Portsmouth homeowners see significant savings. Contact us for a free customized quote.
Portsmouth residents can access New Hampshire incentives including: Net Metering, Property Tax Exemption, No Sales Tax, REC Markets. Our team helps you maximize every available incentive.
Yes! Portsmouth has Excellent solar potential. Combined with high electric rates and available incentives, solar is an excellent investment for Portsmouth homeowners.
Physical installation typically takes 1-3 days. The full process from contract to activation takes 4-8 weeks, depending on Portsmouth permitting and utility interconnection timelines.
Portsmouth is served by Eversource / Liberty Utilities. The current average residential rate is approximately 21¢/kWh, which is 5¢ above the national average of 16¢. This makes solar an effective way to lock in lower energy costs for 25+ years.
Solar installations in Portsmouth require a building permit from the Town Building Inspector, typically taking 7-14 business days. NuWatt handles all permitting and utility interconnection paperwork on your behalf — you don't need to visit any offices.
Join your Portsmouth neighbors who've made the switch to solar with NuWatt Energy.