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Why Starting Your Solar Project in Winter is the Smartest Choice for Montana Homes and Businesses

Discover why winter is the perfect time to plan your solar installation in Montana. Learn how early planning maximizes summer production, avoids spring delays, and how energy storage adds resilience during outages — all while taking advantage of our limited-time Winter Watts $750 incentive.

March 3, 2026

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14 years of OnSite Energy

Celebrating 14 years of OnSite Energy — Montana’s full-service solar company specializing in grid-tied and off-grid systems, long-term service, and Certified B Corp leadership.

OnSite Energy is Powered by Our Customers

Discover how OnSite Energy’s Montana solar customers power conservation, community, and clean energy through values-driven projects and local impact.

OnSite Energy Expands Our Services: Electrical Work You Can Rely On

We’re excited to officially announce that OnSite Energy is now offering full-service residential, commercial, and industrial electrical services in the Bozeman area.

Solar for Conservation Program

Montana’s wild places are more than scenic backdrops - they’re part of who we are. At OnSite Energy, our team lives, works, and plays across the mountains, rivers, and open spaces that make this state home. Many of our customers feel the same way. Whether it’s skiing at Bridger, hiking at Hyalite, or floating the Clark Fork, these places shape our lives and our communities. That’s exactly why we created Solar for Conservation.

Commercial Solar Update

Montana businesses: don’t miss your chance to maximize federal solar incentives.

Our Solar Process

Our step-by-step process, built on trust and transparency

Living Our Values at OnSite Energy

How our core values shape the way we work—every day.

Solar Provider Questions

Going solar is a big decision (and a great one). But before you move forward with a solar installer, it’s important to make sure you’re working with a provider you can trust for the long haul.

NorthWestern Energy Hikes Rates by 17%—Without Regulatory Approval

In late May 2025, NorthWestern Energy quietly implemented a 17% increase in electricity rates for roughly 400,000 Montanans—boosting the average residential bill by about $17/month, or approximately $204/year.