Flat Roofs
Ballasted, low-tilt racking engineered for commercial flat rooftops—no penetrations, minimal disruption.
Learn more #1 Rated Solar Provider on Long Island
Commercial Solar Electric Installations
Reduce costs, lock in energy rates, and power your business with confidence—commercial solar solutions built for Long Island businesses.
20+
Years of savings
$0
Out-of-pocket options
1982
Established
40+
Years on Long Island
Our Commercial Specialty
Commercial solar for every Long Island property
If you've been told solar won't work for your building, you're not alone. Installing solar on challenging commercial roofs is our specialty—we make solar work for your business.
Warehouses & Industrial
Large-scale rooftop arrays that turn unused square footage into decades of stable energy production.
Learn moreRetail & Hospitality
Discreet, brand-conscious designs that cut operating expenses and reinforce your sustainability story.
Learn moreMultifamily & Nonprofit
Right-sized systems for co-ops, HOAs, and nonprofits—engineered to maximize NY incentives and cash flow.
Learn moreServicing Long Island, NYRequest a Quote
Switching to Solar: Smart, Strategic, Sustainable
Solar allows your organization to improve profitability, reduce operating expenses for over 20 years, and boost visibility with a strong sustainability message. You'll also benefit from accelerated depreciation and long-term energy independence—making solar a smart financial and branding decision.
40+
Experience
Over 40 years of trusted experience serving Long Island property owners.
100%
Client Satisfaction
We've achieved 100% client satisfaction through our workmanship.
5k+
Installations
Licensed and insured team bringing unmatched expertise to every commercial project.
Why Go Solar
The commercial case for going solar
Improved Profitability
Reduce operating expenses for 20+ years and accelerate ROI with commercial depreciation.
Sustainability Message
Boost visibility with tenants, customers, and stakeholders through a visible climate commitment.
Locked-in Energy Rates
Insulate your business from utility rate hikes with predictable solar energy costs for decades.
Why Long Island Trusts Us
High-performance commercial solar with a 40-year legacy
With over 40 years of experience, Sunshine Plus Solar is trusted across Long Island for dependable, high-performance solar installations that lower operating costs and unlock every available incentive—hassle-free.
Experienced Professionals
Licensed, insured installers who've completed thousands of systems across Long Island—roof-mounts, ground arrays, and battery backups.
Transparent Pricing
Honest, upfront quotes with no hidden fees. Commercial designs tailored to your roof, budget, and energy goals.
Quality Workmanship
Top-tier panels, inverters, and mounting systems—installed with clean, code-compliant precision and tested for optimal performance.
Solar Incentives
Power your business with solar incentives on Long Island
Sunshine Plus helps Long Island businesses save big—NYSERDA incentives, PACE financing, and $0 out-of-pocket options. Lock in energy rates for decades and take advantage of state and federal tax credits, all backed by a trusted local company.
$5,000
NYS Solar Income Tax Credit
New York State income tax credit for eligible solar projects—can be divided over multiple tax years.
30%
Federal Solar Tax Credit
Claim 30% of your solar installation costs through the Federal Investment Tax Credit (ITC) for commercial projects.
NY-Sun
NY-Sun Incentives
NY-Sun incentives vary by region and program availability. We'll review current eligibility with you.
FAQ
Frequently Asked Questions
You'll generate clean, cost-efficient energy, significantly lower your electric bills, and send a strong message that your business supports environmental responsibility in the Long Island community.
Areas We Service
Serving all of Long Island
Sunshine Plus Solar proudly installs commercial solar systems throughout Nassau and Suffolk County—retail, multifamily, nonprofit, hospitality, office/medical, and more.
- NYSERDA rebates & PACE financing
- $0 out-of-pocket options
- Locked-in energy rates for 20+ years
- Federal & NY State tax credits