Delaware Solar Guide 2026
Everything Delaware homeowners need to know: costs, incentives, net metering policy, and what makes this state unique for solar.
Key fact about Delaware solar
Delaware's SREC market provides additional revenue beyond net metering. As the smallest US state, the installer market is thin — many Delaware residents use Maryland or PA-based installers.
Peak sun hours
4.3
hrs/day avg
Avg electricity rate
15.0¢
per kWh
Median install cost
$2.95/W
before incentives
Typical payback
10 yrs
8 kW system, avg usage
Typical 8 kW system in Delaware
Annual production
12,556 kWh
Year-1 savings
$1,883
System cost (est.)
$23,600
No federal tax credit — Section 25D expired December 31, 2025.
Delaware Net Metering Policy
Full retail net metering
Delaware requires full retail net metering under the Renewable Energy Portfolio Standards Act. Delmarva Power and Delaware Electric must credit exports at retail. Monthly rollover with annual settlement.
Delaware Solar Incentives
Available in addition to any utility rebates. Federal 25D credit is $0 for homeowner-owned systems from 2026.
- ✓SREC market (DE-SREC ~$30–$50/SREC)
- ✓Green Energy Program rebate ($100–$500)
- ✓Property tax exemption
Top Utilities in Delaware
Interconnection timeline: 4–8 weeks
Calculate your Delaware solar economics
Our calculators are pre-filled with Delaware data. Run any tool below.