Solar Panel Cost in Delaware (2026)
In Delaware, home solar installs for roughly $2.75/watt in 2026. A typical 8 kW system runs about $22,000, with an estimated payback near 11.8 years at the state's ~18¢/kWh electricity rate.
| System size | Est. cost | Est. annual savings | Payback |
|---|---|---|---|
| 6 kW | $16,500 | $1,400/yr | 11.8 yrs |
| 8 kW | $22,000 | $1,900/yr | 11.8 yrs |
| 11 kW | $30,300 | $2,600/yr | 11.8 yrs |
Estimates use ~$2.75/watt installed and Delaware's ~18¢/kWh rate. Before any state/local incentives.
Delaware solar notes
Delaware offers full retail net metering plus a Green Energy Program cash grant (up to ~$6,000) and an active SREC market.
Heads up: the 30% federal tax credit for purchased home solar ended Dec 31, 2025. Leased/PPA systems may still qualify through 2027, and Delaware may offer its own incentives — check locally.
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