LocalProjectBudget

Solar Electrical Cost in Montana in 2026

Most Solar Electrical projects in Montana cost between $17,500 and $33,000. The typical price is $24,000.

Labour and materials in Montana run about 3% below the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.

What drives the price

  • Panel efficiency and inverter type
  • Roof complexity and mounting hardware
  • Main panel upgrade if the busbar cannot take the backfeed
  • Battery storage, which is priced separately

Usually included

  • Panels, inverters and racking
  • Design, permitting and interconnection
  • Installation and commissioning

Usually extra

  • Battery storage
  • Roof repair or replacement before install
  • Utility interconnection fees in some territories

Unit prices in Montana

Quality tierCost per watt
Budget$2.16
Mid-range$2.95
High-end$4.13

Solar Electrical costs by city