Certifications & Affiliations

Certified B Corporation
B Corps use business as a force for good™.
At OnSite Energy, we do more than install solar panels—we advocate for renewable energy, fight carbon emissions, and support sustainability. Becoming a B Corp strengthens our commitment, holding us accountable for making a positive impact.
B Corps meet rigorous social and environmental standards, verified through third-party certification. The process helps businesses assess and improve their impact, with re-certification every three years.
With over 5,000 B Corps in 79 countries, Bozeman is home to 6 of Montana’s 9 Certified B Corps, reflecting our community’s strong values.
📢 See our B Corp profile and impact report.
📖 Learn more about B Corps.

Tesla Powerwall
Powerwall: Store solar energy and power your home 24/7.
Tesla Powerwall lets you store solar energy for nighttime use or power outages, providing energy independence and savings. The 14 kWh lithium-ion battery integrates with an inverter and smart software to optimize electricity use.
With the Tesla mobile app, track your solar generation, battery status, and energy usage in real-time.
- OnSite Energy is one of only two Tesla Powerwall Certified installers in Montana
- We also install Tesla Wall Connectors for home EV charging
- See our Powerwall installations.
- Eligible for the 30% Federal Tax Credit (ITC). Learn more.
- Learn more about Powerwall.

Amicus Solar Cooperative
OnSite Energy is a proud member-owner of the Amicus Solar Cooperative.
Amicus Solar is a nationwide cooperative of independent solar PV installers who collaborate to share best practices, improve efficiency, leverage group purchasing power, and access financing solutions.
With over 50 member-owners installing solar in all 50 U.S. states, D.C., Puerto Rico, and Canada, Amicus fosters a strong network of industry leaders—many of whom, like us, are B Corps committed to social and environmental impact.
As a member, we offer competitive pricing and benefit from the expertise and logistical support of some of the most experienced solar contractors in the country. This model allows smaller, independent companies like OnSite Energy to remain competitive in an industry increasingly dominated by large corporations.

Solar for Conservation
Harnessing solar energy to support Montana’s wild places.
At OnSite Energy, we believe in protecting Montana’s public lands, wildlife, and wilderness. That’s why we created Solar for Conservation—a program that gives back to local conservation nonprofits when you choose to go solar.
By installing solar with us, you’re not just reducing your carbon footprint and energy costs—you’re directly supporting organizations working to preserve Montana’s natural landscapes for future generations.
Through this initiative, we partner with Montana-based conservation nonprofits, providing funding and resources to help them continue their important work.
🌎 You go solar. OnSite gives back. Everyone wins.




