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Your Proven Solar & BESS
EPC Partner
GreenSpark, the #1 Community Solar EPC in the United States, partners with clean energy developers and commercial asset owners to deliver high-quality, high-performance solar and battery energy storage projects—on time, on budget, and built to last.
High-Performing Commercial Solar & BESS Projects Depend on the Right EPC Contractor
GreenSpark delivers turnkey solar and battery energy storage engineering, procurement, and construction (EPC) services throughout the Northeast, Midwest, and Mid-Atlantic. With more than two decades of proven success in large-scale distributed generation and community solar projects, we offer tailored solutions for ground-mount, rooftop, and carport/canopy solar projects, as well as battery energy storage systems—all backed by a national, values-driven network and supported by hands-on leadership.
#1 Community Solar
EPC in the U.S.
Out of 400+ solar contractors ranked in Solar Power World’s 2025 Top Solar Contractors list, GreenSpark ranked the number one Community Solar EPC in the United States.
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Why Choose GreenSpark
- Proven Track Record: 350+ total MW installed or underway throughout the Northeast, Midwest, and Mid-Atlantic
- Industry-Vetted: NABCEP-certified, NYSERDA Gold Quality Installer, recurring Solar Power World Top Solar Contractor
- Partnership Approach: Accessible, transparent, and collaborative approach fosters long-term partnerships
- Turnkey Process: In-house team & established process streamlines planning, minimizes risk, and maximizes ROI
- National Network: Member-owner of Amicus Solar Cooperative — united by values, powered by shared resources
Solar & Energy Storage EPC Services
Specializing in large-scale renewable energy projects, GreenSpark designs, builds, and maintains renewable energy projects throughout the Northeast, Midwest, and Mid-Atlantic, expertly managing all phases from project inception through long-term operations. Our solar and energy storage EPC services include:
Our experienced engineering team turns complex projects into streamlined, buildable designs. We combine smart, cost-saving strategies, strong stakeholder relationships, and deep industry expertise to keep projects moving smoothly. Whether partnering with your engineers or leading the process, we deliver solutions that work in the field—not just on paper.
As a member-owner of the Amicus Solar Cooperative, GreenSpark leverages shared buying power with a nationwide network of independent solar companies to secure top pricing on vetted, quality products. This partnership helps us navigate market fluctuations and ensures reliable, competitive access to the best equipment for your project.
GreenSpark’s expert installation team—including NABCEP-certified professionals and dedicated commercial electricians—self-perform critical work to ensure quality and cost control. We handle all site logistics and keep owners informed with clear communication throughout construction. Safety is non-negotiable, backed by rigorous OSHA-compliant plans and a strong 0.98 EMR rating, for efficient, reliable builds you can trust.
We design and integrate commercial-scale battery energy storage systems (BESS) that pair seamlessly with solar to increase system value and resilience. Our team handles everything from sizing optimization and system design to installation and ongoing support and maintenance—whether it’s part of a new project or a retrofit to an existing clean energy system.
GreenSpark’s in-house Operations and Maintenance team keeps your projects performing at their best. We deliver active system monitoring, real-time performance access, and rapid local response to protect your portfolio. Whether it’s performing preventative or corrective maintenance, technical troubleshooting, or warranty support, our on-the-ground team ensures your assets stay productive—and profitable—for the long haul.
GreenSpark offers thermal imaging services to reveal hidden issues—like faulty modules, string outages, and connection failures—before they escalate into costly downtime. Especially valuable for aging systems, this proactive service keeps production high and protects your investment for the long run. Learn more and explore our preventative maintenance services.
Featured EPC Success Stories
Since 2002, GreenSpark has partnered with leading national solar developers to deliver turnkey EPC solutions for community solar installations, and energy storage projects serving agricultural producers, universities, nonprofits, municipalities, and Fortune 500 companies.
Click to explore some of our most impactful project success stories.
"GreenSpark Solar is a trusted partner KSI can rely upon to deliver quality EPC solutions. We look to GreenSpark's team of experts, no matter the size or complexities of the project, to deliver completed, first-rate projects on-time and within budget."
John Chaimanis
Managing Director & Co-founder Kendall Sustainable Infrastructure, LLC
“GreenSpark pays attention to the finer details on our sites and provides us with quality workmanship. Their good relationships with local subcontractors, along with their own skilled crews, gives them the ability to work multiple sites simultaneously.”
Jay Myrto
Director of Project Management Pivot Energy
"Lodestar Energy chose GreenSpark Solar as our primary EPC partner for three projects throughout New York State. Lodestar's partnership with GreenSpark has resulted in assurance our projects are completed using industry best practices and standards."
Kevin Midei
Construction Manager Lodestar Energy
Explore Our Solar EPC Partner Portfolios
Kendall Sustainable Infrastructure (KSI)
Pivot Energy
Lodestar Energy
Novis Renewables, LLC
News and Ideas for Solar & Battery Developers
How New York Community Solar Can Make Energy More Affordable for All
December 17, 2025
New Yorkers are facing an energy crisis, with electricity costs rising faster than wages and putting increasing pressure on households, renters, and small businesses. Community solar and distributed solar offer proven, affordable solutions — but outdated policies are slowing progress. Learn how the ASAP Act can lower energy bills, strengthen local communities, and how you can help accelerate clean, affordable power across New York.
5 Things the Best Solar & Storage EPC Contractors Do Differently
October 28, 2025
From quality control to local expertise, great EPC partners do more than build solar and storage projects — they protect your investment. Learn what sets the best EPC contractors apart and why developers choose GreenSpark.
GreenSpark Solar and Kendall Sustainable Infrastructure Complete First Solar Tracker Project in Huron, NY
October 7, 2025
GreenSpark Solar partnered with Kendall Sustainable Infrastructure (KSI) to deliver a 2.9 MW solar tracker project in Huron, NY—boosting local revenue, supporting farmland stewardship, and advancing clean energy across New York State.
Key Takeaways from RE+ and the Amicus Retreat: Trends Shaping the Future of Solar & Storage
September 30, 2025
GreenSpark leadership recently attended RE+ and the Amicus Retreat, two of the solar industry’s most important gatherings. From the rapid rise of battery storage to the promise of more innovative grid solutions and streamlined deployment, here are the key takeaways shaping the future of solar and storage.
