Solar installers and cost in Delaware
Homes that bought solar in 2023–2025 paid a median $3.73/W installed, about $35,400 for a typical 9.5 kW system.
Solar by county
Median installed price where enough systems were bought outright (2023–2025). Lighter is cheaper. Choose a county for its installers.
Solar installers in Delaware
Delaware’s public records name the installer for only 0% of systems, so this list is incomplete.
Delaware’s public installation records don’t say who installed each system, so we can’t list installers here yet.
| County | Median price | Installers | Homes since 2023 |
|---|---|---|---|
| Kent County | $4.34/W | — | — |
| New Castle County | $3.96/W | — | — |
| Sussex County | $2.84/W | — | — |
A county shows a price once at least 20 of its systems were bought outright.
How much does solar cost in Delaware?
Homes in Delaware that bought a solar system in 2023–2025 paid a median $3.73/W installed, about $35,400 for a 9.5 kW system, before incentives. The middle half paid $2.60/W to $4.80/W.
How much does a 10 kW solar system cost in Delaware?
At the Delaware median of $3.73/W, a 10 kW system costs about $37,300 installed before incentives; the middle half of buyers would pay $26,000 to $48,000.
Installed prices and installers from public installation records: Lawrence Berkeley National Laboratory’s Tracking the Sun (systems installed through 2025) and state program files from California, New York, New Jersey, Connecticut, Illinois and Oregon, which run into 2026. Prices are in dollars per watt of panel capacity (DC), before rebates and tax credits, for homes that bought their system; leased systems and systems with batteries are left out.