Solar Energy in Delaware - Installation Data & Costs
Total Installations
7,866
Total Capacity
84 MW
Average Cost
$4.97/W
Median: $4.56/W
National Rank
#22
92% residential
14.41¢
Electricity Rate (kWh)
4h
Peak Sun Hours/Day
20.7 yrs
Est. Payback Period
$1,801
Est. Annual Savings
Environmental & Community Impact
- CO₂ Offset/Year
- 94,355 tons
- CO₂ Offset/System/Year
- 8.9 tons
- Installations per 10K Residents
- 79.2
- State Population
- 993,635
- Est. Annual Production/System
- 12,498 kWh
Estimates based on average system size, 4h peak sun hours/day, 80% derating factor, and 30% federal ITC. Sources: NREL, EIA, EPA eGRID (0.709 metric tons CO₂/MWh).
System Overview
- Avg System Size
- 10.7 kW
- Third-Party Owned
- 25.3%
Cost Trend ($/W)
Avg Cost per Watt
Installation Growth (Last 5 Years)
1572019
2282020
5322021
8222022
1,2802023
Top Solar Installers in Delaware
| Installer | Installations |
|---|---|
| -1 | 7,130 |
| Sungevity Development | 126 |
| Clean Energy Usa | 103 |
| Liberty Services Company | 86 |
| Tesla Energy | 67 |
| Cmi Solar Electric | 57 |
| Advanced Solar | 44 |
| Flexera | 41 |
| Kw Solar Solutions | 38 |
| Cnc Solar | 30 |
Most Popular Panel Brands in Delaware
| Brand | Installations |
|---|---|
| Alps Technology | 7,866 |
Solar by County - Delaware
| County | Installations | Capacity |
|---|---|---|
| New Castle | 4,540 | 47.1 MW |
| Sussex | 2,572 | 26.6 MW |
| Kent | 713 | 8.7 MW |
Delaware Solar Incentives
Tax credits, rebates & programs
Is Solar Worth It in Delaware?
Data-backed analysis
Source: