Commercial Solar Panel Installation in Indianapolis
Cut operating costs with solar energy for Indianapolis businesses — flat roofs, warehouses, and commercial properties
Why Commercial Solar Makes Cents

Federal Tax Credits & Business Incentives
Solar for Flat & Commercial Roofs

Custom Design & Turnkey Installation
Key Benefits
Scalable Systems
From 10 kW to 100+ kW systems sized for your specific business needs.
Immediate Savings
Day one reduction in electricity bills, with ROI typically within 5-7 years.
30% Tax Credit
Federal Investment Tax Credit applies to commercial installations.
Performance Monitoring
Real-time dashboard shows generation, consumption, and savings.
Corporate Sustainability
Improve ESG metrics while reducing carbon footprint and operating costs.
25-Year Warranty
Long-term performance guarantees protect your investment.
How It Works
From first call to final walkthrough — here's what to expect.
Energy Audit & Analysis
We analyze 12 months of energy usage, roof conditions, and financial profile to design an optimized system.
System Design & ROI
Engineers design your custom solar system with precise ROI projections, financial scenarios, and tax credit analysis.
Permitting & Approvals
We manage all permits, utility applications, and interconnection agreements with Indianapolis utility companies.
Installation & Monitoring
Professional installation with minimal business disruption. Ongoing monitoring ensures optimal performance and documented savings.
What Our Customers Say
We installed a 40 kW system and our monthly electric bill dropped by $3,200. The team handled everything including tax credit paperwork. This was one of the best investments we've made in facility improvements.
Our rooftop space was unused until we discovered solar. Now it generates $25,000+ annually in electricity savings while improving our sustainability story with customers. Couldn't be happier.
Worked with several solar companies, but their approach to design optimization was superior. They found configurations we hadn't considered. ROI is exactly as projected. Professional team throughout.
National Recognition
Top 100 Roofing Contractor in America
Ranked #92 in Roofing Contractor magazine's 2025 Top 100 list — up from #128 in 2024.
The only Central Indiana contractor to make the list two years running.
Frequently Asked Questions
Commercial Solar Installation Near You
We proudly serve homeowners and businesses across Central Indiana.
Explore Our Other Services
TPO, EPDM, PVC, and flat roof systems for commercial properties.
Durable commercial siding solutions for businesses.
Commercial window installation and storefront systems.
High-capacity commercial gutter systems.
Commercial interior and exterior painting.
Ready to Get Started?
Contact SPG Roofing & Exteriors today for a free, no-obligation estimate.

