ElectrifyCost

Solar PV · Delaware

Solar Panel Cost in Delaware (2026)

Planning-range installed cost for residential solar PV in Delaware, adjusted for state labor multipliers and PVWatts production yield. 25D federal credit expired 2025-12-31; state and utility programs still apply.

Mid installed cost · 7 kW system · Delaware

$25,410

Range $19,250–$34,650 gross

Cost basics

Mid $/W
$3.63
Range $/W
$2.75–$4.95
State labor multiplier
1.10×
PV specific yield
1350 kWh/kW/yr

Production & payback

7 kW annual production
9,450 kWh
Local electricity rate
$0.16/kWh
Annual bill displaced
$1,550/yr
Simple payback (mid)
16.4 yr

25D federal credit (30%) expired 2025-12-31. State and utility programs may shorten payback. Net-metering successor tariff (NEM 3.0 in CA, similar in HI, AZ, NY) reduces export value.

Run the full solar calculator →

Other states