180 Water Great Falls
Verified Pro
~4 years online5.0
Solar Panel Installation in Great Falls, MT
Compare 14 solar panel installation contractors near you in Great Falls and surrounding area with an average rating of 4.8/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 22, 2026
Most pros respond within 2–24 hours
Verified Pro Installers
Other Businesses in This Area
Alternative Energy Systems
Black Eagle Solar
Rainbow Electric Co
Sequoia Energy
Awake Energy
5.0Big Sky Power and Solar
5.0~3 years onlineContinental Battery Systems of Great Falls
4.928½+ years onlineBish's RV of Great Falls
4.529 years onlineSolar Panel Installation in Nearby MT Cities
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About Solar Panel Installation in Great Falls
Solar panel installation involves mounting photovoltaic panels on rooftops or ground-mount systems, wiring them to inverters, and connecting to your electrical panel or battery storage. A properly sized system can significantly reduce or eliminate electricity bills.
Typical costs: Residential solar systems typically cost $15,000–$30,000 before incentives. After federal tax credits (currently 30%) and local rebates, net cost is often $10,000–$20,000 for a standard 6–10 kW system.
Common projects include:
- Rooftop residential solar installation
- Ground-mount solar arrays
- Battery storage integration
- Solar panel system upgrades and expansion
- EV charger + solar combo installations
Solar installations almost always require electrical and building permits. Your installer should handle the permit application, utility interconnection agreement, and final inspection.
Frequently Asked Questions
- How much does solar panel installation cost in Great Falls?
- System size depends on your electricity usage, but most homes need 6–10 kW. Expect $2.50–$3.50 per watt installed before incentives. The 30% federal tax credit and any local rebates bring the actual cost down significantly.
- How do I find a reliable solar panel installation contractor in Great Falls?
- Choose a NABCEP-certified installer or a company with significant local installation history. Ask about their warranty coverage, who manufactures the panels and inverters, and whether they handle permits and utility paperwork.
- Do I need a permit for solar panel installation in Great Falls?
- Yes — solar installations require both electrical and building permits in virtually all jurisdictions. Reputable installers include permitting in their quote and handle the full process.
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