Estimated Savings for a Typical Delaware Home
Based on a standard 8 kW home system
System Size
8 kW
Gross Cost
$24,800
State Incentive
-$1,000
Net Cost
$23,800
Annual Savings
$1,418
Payback Period
16.8 yrs
25-Year Savings
$24,650
CO₂ Offset/yr
9,456 lbs
Delaware Solar Incentives
✕
Federal Tax Credit (Expired Dec 31, 2025)
The 30% federal Residential Clean Energy Credit ended for purchased systems on December 31, 2025. Homeowners buying with cash or a loan in 2026 can no longer claim it. A solar lease or PPA can still pass through a federal credit through 2027 — the installer claims it and lowers your payments.
$1,000
Delaware State Incentive
Delaware offers a Solar Renewable Energy Credit (SREC) program.
Net Metering Policy: Full Retail
Top utility in Delaware: Delmarva Power. View full incentives detail →
Solar Costs by City in Delaware
| City | Annual Savings | Payback (yrs) | Population ↓ | Utility |
|---|---|---|---|---|
| Wilmington | $1,603 | 14.8 | 70,166 | Delmarva Power |
| Dover | $1,429 | 16.7 | 38,079 | Delmarva Power |
| Newark | $1,377 | 17.3 | 33,398 | Delmarva Power |
| Middletown | $1,603 | 14.8 | 22,605 | Delmarva Power |
| Milford | $1,416 | 16.8 | 12,228 | Delmarva Power |
| Smyrna | $1,282 | 18.6 | 12,075 | Delmarva Power |
| Seaford | $1,316 | 18.1 | 8,184 | Delmarva Power |
| Georgetown | $1,612 | 14.8 | 7,298 | Delmarva Power |
| Elsmere | $1,233 | 19.3 | 6,131 | Delmarva Power |
| New Castle | $1,396 | 17 | 5,285 | Delmarva Power |
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Quick Facts: Delaware
- ⚡ Avg rate: $0.138/kWh
- 🌞 Peak sun: 4.4 hrs/day
- 🏭 Top utility: Delmarva Power
- 📋 Net metering: Full Retail