Groton, Connecticut • Eversource & United Illuminating

Solar Installation in Groton, Connecticut

Residential Solar, Battery Storage & Roofing

BBB A+ rated | $0-Down Options | Hundreds of New England homeowners | Local in-house experts

Get Your Free Quote
4.9 Stars
86 Google reviews
Hundreds
of Connecticut homeowners
A+
BBB Accredited
$0 Down
financing options
Certified Tesla Powerwall + Enphase Installer 25-Year Production Warranty $0-Down Financing Licensed RI GC-51293 / A-003277
Why Sunfinity

Top Rated Solar Company in Groton

Sunfinity Power is a trusted solar and roofing partner serving Groton homeowners in Connecticut Energy territory. BBB A+ rated with $0 down financing available.

One Contractor, Two Trades

Solar and roof replacement through one local team, one timeline, and one coordinated project.

$0-Down, No Pressure

Transparent pricing and a no-obligation consult. Real numbers first, without hidden dealer fees.

Local & Licensed

Johnston, RI headquarters with licensed electrical and roofing capability across Connecticut, Massachusetts, and Connecticut.

Premium Equipment

Residential solar, battery storage, monitoring, and service backed by local support.

Choosing a Groton Solar Company

When selecting a solar provider in Groton, look for a company that specializes in residential installations and has deep local roots. A reputable installer should be familiar with the specific requirements of your local utility, which is either Eversource or United Illuminating. Furthermore, a serious proposal should assess not only the solar components but also the overall condition of your roof, ensuring the system is integrated properly.

A good local partner will offer a comprehensive review of your property, considering factors like roof pitch, shading from nearby trees, and optimal panel placement. They should also discuss the financing options available through programs like CT Green Bank. Always confirm that the company’s process includes navigating the necessary interconnection agreements with your specific utility provider.

2026 Connecticut RRES

Groton Solar Incentives, Net Metering & What It Costs

Verified 2026 Connecticut Residential Renewable Energy Solutions figures for Eversource and United Illuminating customers.

RRES Buy-All Tariff
$0.3289 /kWh

20-year tariff including REC

For eligible 2026 RRES enrollees, the Buy-All tariff is $0.3289/kWh including REC value, locked for 20 years.

RRES Netting Tariff
$0 /kWh REC

Retail offset minus solar energy adjustment

The 2026 Netting option offsets consumption at retail rate with REC payment $0/kWh, minus a Solar Energy Adjustment of $0.0402/kWh on total production.

Program Structure
No 1:1 new net metering

RRES replaced traditional net metering

Connecticut does not use traditional 1:1 net metering for new enrollees. New customers should compare RRES Buy-All versus Netting.

CT Green Bank Smart-E financing terms should be verified before publishing specifics. Last reviewed: May 2026.

Why Groton Solar Math Works

Groton homeowners are often drawn to solar energy because of the area’s strong commitment to sustainable living and energy independence. Utilizing solar power helps reduce reliance on traditional grid electricity, providing a more stable and predictable energy source for your home.

Many homes in Groton feature established roofing and architectural styles that benefit greatly from modern energy upgrades. By pairing a new roof replacement with solar panels, homeowners can streamline multiple major home improvements into one cohesive project.

Sunfinity Power offers this combined approach through our Premier Exteriors division. We manage the entire process, from roofing inspection to solar panel installation, ensuring a seamless and high-quality upgrade for your Groton residence.

Our Installations

Sunfinity Installation Gallery

A selection of recent residential solar and roof-plus-solar projects across Rhode Island and Massachusetts.

Sunfinity Power residential solar installation in Cumberland, RI
Cumberland, RI
Sunfinity Power residential solar installation in Norton, MA
Norton, MA
Sunfinity Power residential solar installation in Tiverton, RI
Tiverton, RI
Sunfinity Power residential solar installation in Cranston, RI
Cranston, RI
Sunfinity Power residential solar installation in Plainville, MA
Plainville, MA
Sunfinity Power residential solar installation in Warwick, RI
Warwick, RI
Sunfinity Power residential solar installation in Attleboro, MA
Attleboro, MA
Our Groton Solar Services

Solar, Storage, Roofing & Local Service

Residential Solar Installation

Custom-engineered rooftop solar systems sized to your home, utility usage, roof planes, and incentive path.

Battery Storage

Backup power for outages plus smarter solar energy management with premium battery equipment.

Roofing + Solar

Combined roof replacement and solar install through our Premier Exteriors division.

Monitoring & Service

Lifetime production monitoring and responsive service from a local team.

Roof + Solar, Together

New Roof. Then Solar. One Project.

Most solar companies make you handle the roof first, then come back for panels. Sunfinity Power does both as one coordinated project through our Premier Exteriors division. The same home below: a new architectural-shingle roof, then the finished solar array, one crew start to finish.

New architectural-shingle roof on a New England home before solar, replaced by Sunfinity Power1 · New Roof
The same New England home after Sunfinity Power installed an all-black solar array on the new roof2 · + Solar
  • One contractor for your roof and your solar
  • Architectural shingle roofs engineered for solar
  • One permit, one crew, one cohesive warranty
  • $0-down financing on the combined project
How We Install

From First Call to Live System in Groton

Five steps. No surprises. We handle permits, utility filings, and inspections so you do not have to chase anything.

01

Free Consultation

We review your utility bill and satellite imagery of your roof. No sales pressure.

02

Custom Design

Engineered system sized for local sun hours and your actual usage.

03

Permitting

We handle local permits, utility paperwork, and eligible incentive filings.

04

Installation

Our crew installs in 1-2 days. Licensed electricians. Clean job site.

05

Activation

System goes live and starts offsetting your bill after inspection and utility approval.

Service Area

Solar Across Connecticut

Groton homeowners can explore nearby Connecticut solar pages and the statewide service area.

Sunfinity Power installs solar and replaces roofs across Groton and the surrounding Connecticut communities, including Cranston, Pawtucket, East Groton, North Groton, and Warwick.

Do not see your neighborhood listed? We still cover it. Sunfinity serves Groton homeowners citywide.

Groton Homeowners

What Local Homeowners Say

Live Google reviews, pulled straight from our profile. Education first, never pressure.

Loading live reviews…
Questions

Groton Solar FAQ

Education-first answers for Groton homeowners comparing solar companies, incentives, roofing, batteries, and utility rules.

Do I need a new roof before installing solar panels?

While not always required, inspecting your roof is critical. Solar panels are a long-term investment, and the roof must be structurally sound and free of major leaks. We recommend having a professional assessment to determine if roof replacement is necessary before system design.

How does solar energy work with my utility in Groton?

Your local utility, whether Eversource or United Illuminating, manages the electrical grid. When your solar panels generate excess power, that electricity can be sent back to the grid through the RRES program. This process helps balance your home's consumption with the energy you produce.

Is net metering available for new solar installations in Groton?

Connecticut has specific programs for solar interconnection. Traditional 1:1 net metering is not available for new enrollees. Our team will guide you through the current requirements and the available buy-all or netting options to maximize your energy credits.

What kind of financing options are available for Groton homeowners?

We understand that financing is a key decision. We offer $0-down financing options to make solar power accessible. Additionally, homeowners can explore state-backed options through CT Green Bank to customize a payment plan that fits your budget.

Is Sunfinity Power the right choice for my Groton home?

Sunfinity Power is a BBB A+ rated local installer focused on residential properties. We combine our roofing expertise with solar installation to provide a complete, worry-free energy solution. Our commitment is to providing reliable, long-lasting power to your Groton residence.

See Your Real Groton Solar Numbers

Book a free, no-pressure Solar Discovery Call. We model your Groton home, compare the REG and REF paths, and show you the actual figures, no obligation.

Prefer to talk? Call (401) 227-3363.