Why Commercial Solar Carports?

Carport solar structures allow businesses with parking lots to capture solar generation capacity they could not access from the roof alone. Auto dealerships, shopping centers, distribution facilities, schools, hospitals, and office parks have deployed carport systems to maximize total solar output, provide employee and customer parking shade, and create highly visible sustainability infrastructure visible from the street.

For auto dealerships in particular, solar carports align the visual brand of clean energy with a product category undergoing electrification. Several of our case study clients, including Toyota and BMW dealerships, have used carport structures to showcase both their solar commitment and EV charging infrastructure under a single canopy system.

Carport Solar vs. Rooftop Solar

  • No Roof Load Concerns: Carport structures are ground-mounted, eliminating structural load analysis for your existing roof
  • Optimal Panel Tilt: Carport design allows for optimal south-facing tilt angles regardless of roof orientation
  • Shade and Comfort: Covered parking improves employee and customer experience, reduces vehicle interior temperatures
  • EV Charging Integration: Carport structures easily integrate Level 2 and DC fast charging stations underneath
  • High Visibility: Ground-level solar canopies are visible from streets and parking areas, communicating your sustainability investment
  • Additional Capacity: Use parking lot and roof simultaneously to maximize total system size and savings

Carport Solar Construction

Commercial solar carports use galvanized steel post-and-beam structures with solar racking integrated directly into the canopy design. Standard clear heights of 9-15 feet accommodate trucks, RVs, and commercial vehicles depending on the application. Gutters and drainage systems are integrated to direct water away from the carport columns. Electrical conduit runs through the structural members to inverters and the facility's electrical room.

Canopy heights, column spacing, and design aesthetics can be customized significantly. Our EPC partners have designed systems ranging from single-row employee parking canopies to full multi-acre dealership lot coverage with integrated EV charging. Permitting requirements vary by jurisdiction, with some municipalities classifying carport solar structures as accessory structures requiring separate permits from the rooftop solar permit.

How much does commercial carport solar cost compared to rooftop?
Carport solar typically costs 20-40% more per watt than rooftop solar due to the steel structure cost. However, the additional generation capacity, premium appearance, and EV charging integration often justify the premium. For businesses with limited usable roof space, carports may be the only path to a system large enough to meet their energy goals. Our proposals model both rooftop and carport options side by side where applicable.
Can carport solar support EV charging stations?
Yes, and this is one of the most compelling use cases. Carport structures can integrate Level 2 chargers and DC fast chargers beneath the solar canopy. The solar generation partially offsets the electricity used for charging, and battery storage can be integrated to provide charging power during evening hours after solar production ends. For businesses with EV fleet vehicles or customer-facing charging needs, carport solar-plus-charging is an integrated solution.
Do solar carports qualify for the federal ITC?
Yes. Solar carport structures qualify for the Section 48E Investment Tax Credit at the same 30% base rate as rooftop solar, with the same energy community and domestic content adders available. The steel structure cost is included in the ITC basis, meaning the total carport system cost qualifies for the credit. This makes carport solar financially viable even at the higher per-watt installation cost.