The Best Solar Companies in Montana (2026 Guide)

In Montana, where power lines stretch long distances and electricity delivery can be inconsistent, solar is a practical solution. Homeowners and off-grid properties alike benefit from the state’s abundant sunshine, high elevation, and clean air — all ideal conditions for efficient solar production. Whether you’re ranching in the plains or nestled in a mountain town, solar puts the power in your hands.

Choosing the right installer matters just as much as choosing to go solar in the first place — the difference between a company that’s licensed, experienced with Montana’s annual settle-up net metering rules, and backed by a real workmanship warranty and one that isn’t can add up to thousands of dollars over the life of your system. Below, you’ll find Montana’s solar companies compared side by side, including which ones have completed EnergyScout’s verification process, so you can start your search with a shorter, more confident list.

Last Reviewed: 2026-09-11

Solar Installers in Montana

EnergyScout tracks local and national solar companies serving homeowners throughout the state. Use the directory below to compare installers based on experience, service area, products, certifications, and other company information.

Companies displaying the EnergyScout Verified badge have completed an additional review process that includes a direct interview, screening customer feedback, and providing evidence of completed installations. Verification provides another layer of information when comparing solar companies, but homeowners should still evaluate multiple installers to find the right fit for their home.

How EnergyScout Verified works →

How to choose a solar installer.

Before contacting installers, read our guide on how to evaluate proposals, warranties, and long-term support.

State Solar at a Glance

42nd
Residential
46th
Commercial
42nd
Utility
Jobs Capacity
374
Solar Jobs
49th
Ranked for Solar Jobs
State Solar Capacity
321
Total Solar Installed (MW)
1.79%
% of states electricity from solar.
44,245
Enough to power homes

Source: Solar Energy Industries Association (SEIA), State By State data, as of January 2026 — seia.org/solar-state-by-state

Why Solar makes sense in Montana

Understanding Home Solar and Storage in Montana

Montana’s Solar Resources:
Montana ranks #42 in residential solar installations with over 320 MW of total capacity. While adoption has been slower than some states, Montana has excellent solar potential — the state receives abundant sunshine, particularly in eastern Montana and mountain valleys. High elevation and clear air contribute to strong solar panel performance. Montana employs over 370 solar workers, with installer networks developing in Billings, Missoula, Great Falls, and Bozeman. The state generates nearly 2% of its electricity from solar, with significant room for growth.

Economic Factors and Net Metering:
Montana has relatively low electricity rates (typically $0.11-$0.13 per kWh), but excellent solar production helps offset this. Montana offers net metering through most utilities, allowing homeowners to earn credits for excess solar production. The state also provides property tax exemption and reduced equipment tax rates for solar installations. While Montana doesn’t offer state tax credits or SRECs, the combination of strong solar production, tax benefits, and net metering creates viable economics, particularly for properties with high electricity usage. Most Montana solar systems achieve payback within 13-17 years.

Off-Grid and Rural Applications:
Montana has significant rural population and many off-grid properties, making solar particularly valuable for energy independence. The state experiences extreme weather — brutally cold winters, summer heat in eastern Montana, and mountain storms that can disrupt power for extended periods. Solar panels perform exceptionally well in Montana’s cold, clear winter conditions (cold temperatures actually improve panel efficiency). When paired with battery backup, solar provides critical resilience for rural properties where grid restoration can take days. For Montana homeowners and ranchers who value self-sufficiency and energy independence, solar aligns perfectly with the state’s independent, outdoor-focused culture.

Frequently Asked Questions

A typical home solar system in Montana costs around $34,831 before incentives — about $2.47 per watt for a 14.1 kW system, per EnergySage’s September 2026 marketplace data. With financing, many homeowners see a monthly loan payment that’s a bit less than what they were already paying their utility — and once the loan’s paid off, that payment drops to zero while utility bills keep climbing. Comparing quotes from a couple of verified installers is still the best way to see exact numbers for your home.
Montana’s solar economics are driven more by utility bill savings and state tax treatment than by utility cash rebates. NorthWestern Energy explicitly states that it does not offer a residential solar-installation incentive. The important distinction is between a program that exists in law and one that is funded, open and available to a homeowner at your address today. Incentives may take the form of a rebate, production payment, renewable-energy credit, tax treatment, battery payment or utility-specific tariff. Some require a reservation before construction, a participating contractor, income qualification or enrollment in a utility program. Ask the installer to identify every incentive by its official program name, show the current value and eligibility requirements, and state who receives the payment or credit. If funding is limited, request confirmation that capacity or funds are actually available. A proposal should never subtract an incentive from the net price simply because it existed in a prior program year.
Choosing the settle-up month and right-sizing the array matters because overproduction left at annual true-up can lose value. Snow, roof pitch and local service availability are also important design considerations. That issue should be built into the proposal rather than treated as an afterthought. Ask the installer to show how it affects system size, annual production, bill savings, equipment choice and long-term service. For weather or roof concerns, review roof age, structural requirements and the exact product certifications rather than accepting a blanket claim about durability. For rate-related concerns, ask for tariff-aware modeling instead of a simple annual-kWh calculation. If battery storage is part of the solution, compare solar-only and solar-plus-storage economics side by side and ask exactly which loads the battery will support during an outage.
Get at least three proposals and require each company to quote the project on the same basis: cash price, cost per watt, expected first-year production, degradation assumptions, equipment, workmanship coverage and the current Montana utility tariff. Ask who performs the installation, who handles interconnection and incentive paperwork, and who will service the system if an inverter, optimizer or battery fails years later. Separate financing from system price so interest and dealer fees do not hide the underlying cost. Ask for recent projects in your utility territory, because local tariff, permitting and interconnection experience can be more valuable than a large national footprint. EnergyScout Verified status adds another diligence signal, but it should complement—not replace—competitive quotes and contract review.
As of September 2026, homeowners in Montana pay an average of 15.14 cents per kWh, below the 18.34-cent national average, with a typical monthly bill around $126. Rates have risen a modest 2.2% over the past year, below the national average increase of 5.0%.

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