The Best Home Solar in Portsmouth, NH

Compare the highest-rated home solar professionals in Portsmouth, New Hampshire. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

ReVision Energy

4.8
(250 reviews)
Verified

ReVision Energy is a regional leader and employee-owned B-Corp, renowned for its high-quality installations and deep expertise in both solar and storage solutions. They are particularly strong in handling complex projects and are a certified installer for top-tier equipment like Enphase and Tesla.

75 Rochester Ave, Unit 1, Portsmouth, NH 03801

Specialties & Features

Solar plus battery storage systems
Energy efficiency assessments
Off-grid and grid-tied solutions

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

Granite State Solar

4.7
(180 reviews)
Verified

A locally owned and operated company dedicated exclusively to solar installations in New Hampshire and Maine. They have built a strong reputation for customer service, transparent pricing, and guiding homeowners through the entire process, including financing and incentive navigation.

6 Lafayette Rd, North Hampton, NH 03862 (Serves Portsmouth directly)

Specialties & Features

Residential solar panel installation
Solar financing and leasing options
Professional system design and consultation

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

SunPower by BlueSel

4.6
(150 reviews)
Verified

As a SunPower Master Dealer, this company offers some of the most efficient solar panels on the market, backed by a strong manufacturer warranty. They provide comprehensive services from design to maintenance and are a reliable choice for homeowners seeking premium, high-efficiency systems.

85 Constitution Dr, Unit 2C, Taunton, MA 02780 (Highly active and serves the entire Seacoast NH area)

Specialties & Features

High-efficiency solar panel installation
Comprehensive warranties
Solar panel maintenance and repair

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes

Why These Are the Top Home Solar Contractors in Portsmouth

** The home solar market in Portsmouth, NH, is mature and highly competitive, dominated by established regional players rather than national franchises. The average quality of service is very high, as companies must differentiate themselves through expertise, customer service, and robust service offerings, particularly in battery storage due to the region's weather. Competition is fierce, which benefits consumers through competitive pricing and strong service guarantees. Typical pricing for a residential system ranges from **$15,000 to $40,000+** before incentives, heavily dependent on system size and the inclusion of battery storage. Homeowners in Portsmouth are well-positioned to leverage New Hampshire's rebates and the federal investment tax credit (ITC), and the top providers are exceptionally knowledgeable in maximizing these financial benefits.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Portsmouth regulations and climate

Frequently Asked Questions About Home Solar in Portsmouth

Get answers to common questions about home solar services in Portsmouth, New Hampshire.

1How much does a typical home solar system cost in Portsmouth, NH, and what incentives are available?

For a typical 6-8 kW system in Portsmouth, the gross cost before incentives ranges from $18,000 to $28,000. Critically, you can reduce this by 30% with the federal Investment Tax Credit (ITC). New Hampshire also offers a specific property tax exemption, ensuring your home's assessed value won't increase due to the solar installation, and you may benefit from net metering with Eversource to earn credits for excess energy.

2How effective are solar panels during Portsmouth's snowy winters and less sunny seasons?

Solar panels are very effective year-round in New Hampshire. They generate electricity from daylight, not just direct sun, and cold temperatures actually improve panel efficiency. Snow typically melts quickly off the dark, slick panels, and any temporary coverage has a minimal annual impact. Your system will produce less in December but overcompensates with high output in the spring, summer, and fall, leading to substantial annual savings.

3What local permits and approvals are required for installing solar panels on my Portsmouth home?

Installation requires a building permit from the City of Portsmouth's Inspection Department. If your home is in a historic district or has a historic designation, you will need additional approval from the Historic District Commission, which reviews proposals for visual compatibility. Your qualified local installer will typically manage this entire permitting process, including interconnection paperwork with utility provider Eversource.

4How do I choose a reputable solar installer in the Portsmouth area?

Prioritize installers who are locally established, licensed, and insured in New Hampshire. Look for certifications like NABCEP (North American Board of Certified Energy Practitioners) and ask for multiple Portsmouth-specific references. A trustworthy provider will conduct a detailed site assessment, explain how Portsmouth's weather and your roof's orientation affect production, and provide a clear, detailed contract without high-pressure sales tactics.

5Can I go completely off-grid with solar panels in Portsmouth?

Going completely off-grid in Portsmouth is technically possible but generally not practical or cost-effective for most homeowners due to our climate. It would require a very large and expensive battery bank to store enough energy for prolonged cloudy or snowy periods in winter. Staying connected to Eversource via net metering acts as a reliable "battery," providing power when needed and crediting you when you overproduce, which is the most common and economical approach.