Residential solar
Up to $10,000
$0.80/W for qualifying owner-purchased PV. Residential leases/PPAs do not receive this PV incentive. The grant cannot exceed 50% of project cost.
Local grants, credits & programs
Delaware solar incentives
Published grant rates, who can qualify and the conditions to check before installation.
Delmarva Power Green Energy Program.
Commercial / nonprofit solar
Up to $40,000 / $50,000
Standard commercial solar: $0.75/W, up to $40,000. Nonprofits: $0.90/W, up to $50,000. System, cost and program requirements apply.
Residential solar + storage
Up to $6,000
$250/kWh, capped at $6,000 and 50% of eligible storage cost. Owner-purchased batteries must meet paired-solar, interconnection and pilot rules.
Larger projects & income-qualified pathways.
Solar canopy or brownfield
Up to $100,000
$1.00/W for eligible nonresidential canopy or certified brownfield projects. This cannot be combined with the standard nonresidential PV incentive.
Low- and moderate-income solar
Reduced-cost pathways
Delaware’s LMI solar pilot has separate weatherization and moderate-income application paths. Eligibility and current funding determine participation.
GEP requires an approved contractor and SREC assignment. Other Delaware utilities have separate programs. Storage participation also has dispatch and interconnection conditions. We review these details before proposing a benefit.
Sources & program verification
Reviewed October 19, 2026. Primary program sources and dated market information: