State Overview

Idaho

National Solar Capacity Ranking: 34th

National Energy Storage Capacity Ranking: 9th

Updated June 2026

 

Idaho State Solar Overview

 

 

Idaho 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):

    1,301 MWdc

  • Storage Capacity

    1,721 MWh

  • National Ranking:

    34th (33rd in 2025 additions)

  • Enough Solar Installed to Power:

    186,899 homes

  • Percentage of State's Electricity from Solar:

    9.01%

  • Solar Jobs:

    770

  • Solar Companies in State:

    35 (2 Manufacturers, 18 Installers/Developers, 15 Others)

  • Total Solar Investment in State:

    $2 billion

  • Growth Projection and Ranking:

    2,740 MW over the next 5 years (ranks 29th)

  • Number of Installations:

    25,146

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Idaho State Solar Policy Resources

Idaho Energy Storage Policy and Market Overview

Idaho’s energy storage market is developing alongside growing solar deployment, with increasing interest in storage to support grid reliability and integrate renewable resources.

While Idaho has fewer dedicated storage policies compared to leading markets, continued solar growth and utility planning efforts are expected to drive additional storage deployment. As the state expands its clean energy capacity, storage is likely to play a larger role in balancing the grid and supporting future energy needs.
 

 

Idaho Energy Storage Policy Resources

  • Idaho Governor’s Office of Energy and Mineral Resources – State page on energy storage with information on types of technologies and state and federal resources.
  • Wattsmart Battery Program – Rocky Mountain Power battery storage upfront incentive and performance rebate for residential and commercial customers.
  • DSIRE Idaho Energy Storage Policy Database – Clearinghouse for financial incentives, regulations, and rebates for energy storage and lithium-ion technologies in Idaho and across the United States.
  • Energy Storage Cost in Idaho – Up-to-date storage and solar-plus-storage pricing and find installers in Idaho on EnergySage.
  • Idaho Public Utilities Commission – Governing body that regulates the electricity rates and services of Idaho public utilities, search for regulatory dockets, programs, and initiatives.
  • Idaho Legislature – Pending, passed, and historical legislation affecting energy storage and battery systems, locate and contact individual legislators, and stay up to date on current legislative issues in Idaho.