State Overview

Washington, DC

National Solar Capacity Ranking: 47th

Updated June 2026

 

Washington, DC Solar Overview

 

 

Washington, DC 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.
 

 

Official SEIA State Affiliate

CHESSA
 

Just The Facts

  • Solar Installed (MW):

    350 MWdc

  • National Ranking:

    47th (44th in 2025 additions)

  • Enough Solar Installed to Power:

    58,975 homes

  • Percentage of State's Electricity from Solar:

    74.80%

  • Solar Jobs:

    394

  • Solar Companies in State:

    176 (6 Manufacturers, 21 Installers/Developers, 149 Others)

  • Total Solar Investment in State:

    $937 million

  • Growth Projection and Ranking:

    298 MW over the next 5 years (ranks 48th)

  • Number of Installations:

    20,952

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Washington, DC Solar Policy Resources

Washington, DC Energy Storage Policy and Market Overview

Washington, DC’s energy storage market remains in an early stage, with limited deployment despite strong solar penetration across the district.

As solar adoption continues to expand, energy storage is expected to play a larger role in supporting grid reliability and enhancing system flexibility, particularly in a highly distributed, urban energy environment.

Washington, DC Energy Storage Policy Resources

  • DC Energy Storage Grant Program – Grant funding for commercial, and multi-residential property BESS.
  • Energy Storage Cost in DC – Up-to-date storage and solar-plus-storage pricing and find installers in Washington, DC on EnergySage.
  • DSIRE DC Energy Storage Policy Database – Clearinghouse of financial incentives, regulations, and rebates for energy storage and lithium-ion technologies in Washington, DC and across the United States.
  • Council of the District of Columbia– Pending, passed, and historical legislation affecting storage and battery energy resources, locate and contact individual legislators, and stay up to date on current legislative issues in Washington, DC.
  • Washington DC Public Utilities Commission– Governing body regulating electricity rates and services of Washington, DC public utilities, search for regulatory dockets, programs, and initiatives.
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