OneGrid
Providence-based Elite solar and battery installer with 12 years of experience and a lifetime warranty
14+
Years in Business
1,000+
Projects Completed
20
Customer Reviews
50 mi
Service Area
11-50
Employees
SurgePV Score
About OneGrid
OneGrid is a solar and battery storage installation company headquartered at 225 Dyer Street on the 2nd floor in downtown Providence, Rhode Island. Founded in 2012, the company has over a decade of experience serving homeowners and businesses across Rhode Island, Massachusetts, and Connecticut. OneGrid holds an Elite Installer rating on EnergySage with a perfect 5.0-star rating and offers an industry-leading lifetime warranty on their installations.
The company specializes in both residential and commercial solar installations, pairing premium panels from Qcells and REC with Enphase and SolarEdge inverter technology. OneGrid also installs Tesla Powerwall and Enphase IQ Battery systems for customers seeking backup power and energy independence. Their NABCEP-certified team handles every aspect of the project, from initial consultation and system design through permitting, installation, and utility interconnection.
OneGrid takes a consultative approach, helping customers navigate Rhode Island’s Renewable Energy Growth Program, net metering policies, and available incentive programs. The company offers free consultations and works with multiple financing options to make solar accessible to Rhode Island homeowners.
Service Area
OneGrid serves the following areas within a 50-mile radius:
Contact Information
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Services Offered
Certifications & Accreditations
Partner Manufacturers
Panels
Inverters
Batteries
Warranty Coverage
25 years
25 years
25 years
What to Expect: Solar Installation Process
Initial Consultation
Free site survey and system design
Quote & Design
Detailed proposal with costs and savings
Installation
Panels, inverter, and wiring (1-3 days)
Inspection
City inspection and utility interconnection approval
Go Live
Utility grants PTO, system goes live
Customer Reviews
5
20 reviews
Amanda S.
OneGrid made going solar easy. Their Providence office is conveniently located and the team was incredibly knowledgeable about Rhode Island's solar incentives. Our system was installed in one day and is producing exactly as promised.
Kevin L.
We chose OneGrid for their lifetime warranty and local presence. The consultation was thorough, the design was customized to our roof, and the installation crew was professional and efficient.
Rachel P.
Excellent experience from start to finish. OneGrid handled all the permitting and interconnection paperwork, and their monitoring system makes it easy to track daily production. Highly recommend.
Frequently Asked Questions About OneGrid
What services does OneGrid offer?
OneGrid offers Solar Installation, Battery Storage, Solar Design, Energy Audit, Maintenance, Monitoring, Grid Connection.
Is OneGrid NABCEP certified?
Yes, OneGrid is NABCEP certified and also holds EnergySage Elite Installer, BBB Accredited certifications. NABCEP certification is the gold standard for solar professionals in the United States.
What areas does OneGrid serve?
OneGrid serves Providence, Cranston, Warwick, Pawtucket, East Providence, Woonsocket, Newport, Bristol. They are based in Providence with a service radius of 80 km.
What warranty does OneGrid offer?
OneGrid offers 25-year panel warranty, 25-year inverter warranty, and 25-year installation/workmanship warranty.
How are OneGrid's customer reviews?
OneGrid has a 5/5 rating based on 20 customer reviews. Customers consistently rate them highly.
How long has OneGrid been in business?
OneGrid was founded in 2012 and has been in business for 14 years. They are one of the more experienced solar installers in their area.
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