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We serve MA, NH, CT, RI, ME, VT, NJ, PA, and TX
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Review the preliminary layout with a commercial solar specialist. We’ll confirm roof condition, structural requirements, utility service, and the next feasibility steps.
Analyze a commercial roof
Customer-facing sustainability, parking canopies, and SREC revenue for retail businesses.
System Size
100-500 kW
Energy Reduction
50-70%
Demand Charge
Peak demand during business hours aligns...
Roof Type
Flat membrane, metal roofing
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Solar carports are elevated structures over parking areas with solar panels on top. They generate electricity while providing shade for vehicles and weather protection for shoppers. A 100-car parking lot can support approximately 150-200kW of solar capacity.
Retail locations and shopping centers benefit from commercial solar through reduced operating costs, visible sustainability commitments that attract eco-conscious consumers, and parking canopy installations that provide shade while generating power. Multi-tenant retail properties can leverage master metering or virtual net metering to share solar benefits.
Visible sustainability commitment attracts customers
Parking canopies provide shade and generate power
Reduced common area electricity costs
SREC revenue in qualifying states
Protection against rising electricity rates
Enhanced brand reputation for tenants
Rooftop arrays on flat commercial roofs
Solar carport canopies over parking lots
Building-integrated PV on facades
Community solar for multi-tenant properties
Aesthetic requirements for customer-facing locations
Shared roof space in multi-tenant strip malls
Peak load alignment with operating hours
A typical retail & shopping centers project is 100-500 kW. At the small end of that band it models at $1.55 per watt installed; at the large end it falls to $1.12 per watt, both before project-specific incentives. Scale drives that gap more than sector does: NuWatt's pricing applies a documented volume discount as system size rises.
| System Size | Size Tier | Modeled $/W | Installed Cost | After 30% §48E |
|---|---|---|---|---|
| 100 kW (low end) | Mid-Size Commercial | $1.55/W | $155,100 | $108,570 |
| 500 kW (high end) | Large-Scale Commercial | $1.12/W | $559,000 | $391,300 |
Installed cost before project-specific incentives, from NuWatt's commercial pricing model (reviewed quarterly). The §48E column assumes the 30% base credit with prevailing-wage and apprenticeship compliance and no bonus adders. Full method, cost per square foot, and $/W by state are in the commercial solar cost guide.
Modeled scenario disclosure
The profiles below are planning scenarios built from current market pricing, utility, incentive, and production assumptions. They are not verified NuWatt customer projects or guaranteed outcomes. A real proposal requires site, structural, utility, interconnection, financing, and tax-eligibility review.
System Size
250 kW (150 kW rooftop + 100 kW carport)
Net cost after §48E + MACRS
$193,607
Annual Savings
$42,000
Payback Period
4.6 years
Payback is computed, not asserted: 250 kW at the modeled $1.49/W is $371,250 installed, less a 30% §48E credit of $111,375 and a first-year MACRS tax shield of $66,268 at the 21% corporate rate, giving $193,607 net against $42,000 a year. State incentives, SREC or tariff revenue, USDA REAP, and demand-charge savings are all excluded, so a real project in a high-incentive state pays back sooner than this.
Use your facility's quote, production model, and utility-specific energy value. The model will not substitute a state average or an invented price.
Quote $/W
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Section 48E (6%)
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Year-one energy value
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Simple payback
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What the result includes
No state-average price, electric rate, production factor, escalation, or tax rate is used. Section 48E values follow the IRS source verified 2026-08-06; the depreciation line uses the current 100% first-year rule for eligible property and your entered tax rate. Review the IRS credit page.
Replace placeholders with a facility-specific model
NuWatt will use your interval data, utility tariff, roof or site geometry, and an engineer-reviewed scope.
200-1,500 kW
Large flat roofs and high energy use make warehouses ideal for commercial solar.
250-2,000 kW
Process energy offset, demand charge management, and energy resilience for manufacturers.
200-1,000 kW
Energy resilience, backup integration, and ESG reporting for healthcare facilities.
100-1,000 kW
Tax-exempt direct pay, educational value, and community benefit for educational institutions.
50-500 kW
Agrivoltaics, irrigation pumping, and USDA REAP grants for agricultural operations.
Solar carports are elevated structures over parking areas with solar panels on top. They generate electricity while providing shade for vehicles and weather protection for shoppers. A 100-car parking lot can support approximately 150-200kW of solar capacity.
Site-specific pricing with exact incentive calculations. No obligation.