Best Solar Companies in Rhode Island
The solar power installation in Rhode Island has surged to ~1,238 MW, which is enough to power ~228,000 homes. However, finding the most efficient solar installer depends on the provider’s knowledge and experience in taking measurable steps.
Energy production through solar panels and integrated battery systems can prove vital in a location like Rhode Island (with volatile weather conditions). This blog features the best solar power companies in RI, operating as standalone solar installers or as equipment + EPC.
Top 10 Solar Installers in Rhode Island
These are solar vendors that serve in and around Rhode Island and Massachusetts.
1. Sunfinity Power & Roofing (Johnston)
Sunfinity positions itself as a “one-contractor” shop, pairing reroofing, electrical upgrades, and PV so roof age and permitting don’t derail timelines. Their materials emphasize a streamlined discovery→survey→install flow, a simple 3-step savings calculator, and long-horizon coverage.
- Solar + roofing under one scope with $0-down options in RI & MA.
- Battery choices include Tesla Powerwall, Enphase IQ Battery, and Generac PWRcell.
- 50-year manufacturer warranty for roof coverage.
- Pre-design to final inspection, with electrical upgrades when needed.
For solar companies in Rhode Island that also tackle reroofing, Sunfinity’s solar installation procedure can reduce change orders and split-warranty headaches on roof-plus-PV jobs.
2. Empire Energy (Providence)
Empire Energy is a local provider of solar and roofing services that also offers mini-split heat pumps. The team focuses on a simple, homeowner-friendly path that includes a free assessment, transparent pricing, and help navigating Rhode Island incentives and financing.
- Solar-only installs, including ground-mount systems.
- Hablamos Español for Spanish-speaking homeowners.
- Roof + Solar Packages under one contract, with $0-down financing options.
Coordinating roof work, PV, and comfort upgrades is highly stable with Empire Energy, keeping your permission-to-operate on track.
3. OneGrid Energy Integration (Providence)
OneGrid is a solar installer in Rhode Island focused on building “outage-ready.” The team’s premise is simple: design solar and batteries together (not as a later add-on), offer accessible payment options, and back it with a service plan for post-install support.
- Works with recognized brands, including REC, Enphase, Qcells, SolarEdge, and Tesla.
- Little-to-no money down options and even no-debt loan structures.
- OneGrid acts as an EPC installer for other solar sales companies.
Treating storage as a standard kit allows OneGrid to design solar systems with resilience as the primary focus, ensuring backup power isn’t an afterthought when bad weather rolls through.
4. Rooftop Power (Warwick)
Rooftop Power is a direct EPC that pairs solar, storage, and electrical work with a sister roofing outfit (RTP Roofing) for projects that need shingles, siding, or gutters. The solar power company in Rhode Island has RI/MA/CT licenses and offers multiple payment paths.
- Solar + battery storage, generator integration, EV chargers, removal/re-install, maintenance/service, and roofing as needed.
- Clear survey→engineering→permitting→installation→PTO sequence.
- Batteries offered include Enphase IQ Battery 5P and Tesla Powerwall.
- Enphase microinverters and SolarEdge.
- REC (Alpha, N-Peak), Canadian Solar, JA Solar, Phono Solar PV modules.
Rooftop Power takes the complex process away from you. Their in-house team files local permits and utility interconnection through to permission-to-operate.
5. NEC Solar (Bristol)
NEC Solar (Newport Electric Construction) is an in-house electrical contractor that designs and builds residential and commercial PV, with engineers that also handle battery backup, EV charging, service upgrades, and ground-mounts.
- Tesla Powerwall, sonnen, and Enphase IQ Battery 5P battery integrations.
- Inverter stack includes Enphase (microinverters) with SnapNRack racking.
- Offers Qcells and Panasonic (along with LG) PV brands.
- Up to 25 years (parts/labor/production) on workmanship.
- Associated financing partners include Dividend Solar and Sungage Financial.
NEC Solar fits homeowners seeking an EPC, with its own licensed electricians; an approach that can simplify timelines for solar installers in RI operating under town-by-town permitting.
6. Sunwatt Solar (Pawtucket)
Sunwatt is a local, design-through-install EPC serving all of Rhode Island and Southeastern Massachusetts. The team leans on in-house designers and installers (Enphase Gold Installer status) and a very New England workflow for roof/attic checks, structural and electrical evaluations, permitting, and interconnection.
- Battery options include Enphase IQ Battery 5P and Tesla Powerwall 3.
- Qcells Q.TRON modules on IronRidge racking, paired with Enphase microinverters.
- 10-year workmanship warranty alongside monitoring after interconnection.
- Loans 5–25 years with fixed rates ~8–11%, tax-credit float for 12 months at 0%.
Sunwatt reads like a classic solar power company in RI with microinverter-first designs, Enphase/Tesla storage, and hands-on permitting, built for the mix of older attics, coastal weather, and incentive management that define solar power.
7. Sol Power (Charlestown)
Sol Power blends licensed electrical work with solar, batteries, and backup-power know-how. The team highlights more than a decade of Rhode Island projects, 1,000+ completed systems, and an all-in-house approach.
- Works within Enphase and SolarEdge ecosystems.
- Installs Enphase microinverters and SolarEdge string inverters with optimizers.
- Lists Silfab, Solaria, and LG Solar among associated PV manufacturers.
- 10-year full-system workmanship/labor coverage.
Design → installation → monitoring, battery backups/backup power, electrical contracting, service/repairs (including systems built by others), and panel removal & re-install for reroofing. Backup-power notes include generator offerings.
8. Newport Solar (North Kingstown)
Newport Solar is a craft-driven EPC that builds residential, commercial, and nonprofit systems statewide. The team emphasizes clean electrical work, long-term reliability, and fully managed projects, with an in-house crew and published RI license numbers.
- Installs Enphase IQ Battery 5P, Tesla Powerwall 3, and SolarEdge Home Battery.
- Designs around SolarEdge and Enphase systems.
- A 5-year “Hassle-Free” workmanship warranty.
- Residential and commercial EV charging offered.
With a visible solar installer warranty and a storage lineup, Newport Solar reads as a detail-oriented, RI-headquartered choice for homeowners.
9. Newport Renewables (Wakefield/South Kingstown)
Newport Renewables is a developer-builder focused on commercial, institutional, municipal, and zero-energy custom homes. The firm is best known for complex public-sector and campus work; solar carports, rooftops, and battery projects, with design, construction, O&M, and performance monitoring all under one umbrella.
- Commercial & utility-scale PV, including solar carports/canopies and large rooftops.
- The company does not offer stand-alone residential installs.
- C-PACE financing, REF grants, ConnectedSolutions demand-response payments, and the federal ITC/MACRS.
For schools, municipalities, and businesses evaluating solar power in Rhode Island, Newport Renewables stands out as a local builder with a track record on public projects.
10. Smart Green Solar (Providence)
Smart Green Solar is a full-service installer in Rhode Island. The team handles site assessment, system design, permits, PV installation, and utility activation. The consultancy also helps homeowners compare ownership vs. PPA and understand panels, inverters, warranties, and local incentives before signing a contract.
- Designs around the right inverter type for the home (string vs. microinverters) and explains how the inverter regulates DC→AC power.
- REC Alpha Pure, Qcells Q.TRON BLK M-G2+, and Silfab 420 BG panels.
- 5-year labor and roof-penetration warranty (craftsmanship and leak-related issues).
Solar companies in Rhode Island outline equipment choices, warranties, and ownership assurance before you commit. Smart Green Solar’s homeowner education and full-stack project handling make the decision process more transparent.
Choose A Battery-Ready Solar Power Company in Rhode Island
Most homeowners do best with an EPCs handling design → permits → utility interconnection → support. In this list, you will see direct installers that market their equipment brands.
Prioritize clear equipment + battery disclosures, workmanship, and roof-penetration coverage that matches the hardware life, demonstrated permitting experience in your town, and transparent payment paths that align with incentives you intend to use. When bids are closed, choose the team that will still be answering the phone five winters from now.
