State Overview
Delaware
National Solar Capacity Ranking: 43rd
Updated September 2026
Delaware State Solar Overview
Despite its small size, Delaware continues to expand its solar market, driven primarily by growing energy demand and a priority on affordability. While solar resources are more limited compared to sunnier states, policy support such as renewable energy standards and incentive programs have enabled steady growth.
Delaware’s market is largely centered on residential, commercial, and community solar, with continued opportunities to expand deployment through supportive regulatory frameworks and distributed energy initiatives.
Delaware Major Solar and Storage Projects
SEIA’s Major Solar and Storage Projects List is a database of all U.S. ground-mounted solar projects, 1 MW and above, that are either operating, under construction or under development.
Just The Facts
- Solar Installed (MW):
384 MWdc
- Storage Capacity
0 MWh
- National Ranking:
43rd (44th in 2025 additions)
- Enough Solar Installed to Power:
45,228 homes
- Percentage of State's Electricity from Solar:
7.82%
- Solar Jobs:
583
- Solar Companies in State:
51 (13 Manufacturers, 23 Installers/ Developers, 15 Others)
- Total Solar Investment in State:
$966 million
- Growth Projection and Ranking:
545 MW over the next 5 years (ranks 46th)
- Number of Installations:
13,395
Delaware State Solar Policy Resources
- Delaware Public Services Commission – Learn about the governing body that regulates the electricity rates and services of Delaware public utilities
- Delaware State Legislature – Track pending legislation affecting solar energy, locate and contact individual legislators, and stay up to date on current legislative issues in Delaware
- Delaware Solar Panels Overview – Learn about the history of solar policy in Delaware, along with up-to-date pricing information on EnergySage
- DSIRE incentives database Delaware – Search a public clearinghouse for specific solar energy incentives in Delaware and across the United States
- Solar Panel Cost in Delaware – Learn about the history of solar policy in Delaware, along with up-to-date pricing information on EnergySage
- Solar Rebates & Incentives in Delaware – Check out EnergySage’s list of key solar incentives in Delaware to see what programs you can benefit from
- US Energy Information Administration- Delaware State Profile – Explore official energy statistics, including data on electricity supply and demand, from the U.S. government
Data References
