Montana State Solar Overview
Montana 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):
369 MWdc
- Storage Capacity
150 MWh
- National Ranking:
45th (46th in 2025 additions)
- Enough Solar Installed to Power:
52,612 homes
- Percentage of State's Electricity from Solar:
1.70%
- Solar Jobs:
368
- Solar Companies in State:
27 (4 Manufacturers, 18 Installers/Developers, 5 Others)
- Total Solar Investment in State:
$680 million
- Growth Projection and Ranking:
355 MW over the next 5 years (ranks 47th)
- Number of Installations:
13,041
Montana State Solar Policy Resources
- Montana Public Service Commission – Learn about the governing body that regulates the electricity rates and services of Montana public utilities
- Montana State Legislature – Track pending legislation affecting solar energy, locate and contact individual legislators, and stay up to date on current legislative issues in Montana
- Montana State Energy Office – Find a wide variety of information on state government energy programs, policy, projects, energy-saving strategies and energy-related statistics
- DSIRE Incentives Database – Montana – Search a public clearinghouse for specific solar energy incentives in Montana and across the United States
- U.S. Energy Information Administration – Montana State Profile – Explore official energy statistics, including data on electricity supply and demand, from the U.S. government
- Montana Renewable Energy Association
Montana Energy Storage Policy and Market Overview
While Montana’s solar capacity is expanding, dedicated storage policies and deployment remain limited. As renewable energy development continues, energy storage is expected to play a larger role in improving grid reliability and supporting future market growth.
Montana Energy Storage Policy Resources
- Montana Renewable Energy Association – State nonprofit distributing information on battery energy storage system sizes, costs, available tax credits and incentives, installers and more.
- DSIRE Montana Energy Storage Policy Database – Clearinghouse for financial incentives, regulations, and rebates for energy storage and lithium-ion technologies in Montana and across the United States.
- Energy Storage Cost in Montana – Up-to-date storage and solar-plus-storage pricing and find installers in Idaho on EnergySage.
- Montana Public Service Commission – Governing body that regulates the electricity rates and services of Montana public utilities, search for regulatory dockets, programs, and initiatives.
- Montana State 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 Montana.
Data References
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