Featured Solar Projects

Transforming Montana Through Solar Power

We deliver customized solar and energy storage systems across multiple sectors, combining engineering excellence and innovative design to create efficient, sustainable systems that benefit both our clients' energy goals and the environment.

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820 kW Ground Mounted System
Industrial & Public Sector

Glaxosmithkline

April 15, 2024

Glaxosmithkline installed an 820 kW system to help offset the energy consumption for their manufacturing facility.

Solar panels on a residential unit
Residential

Cronin Residence

November 15, 2023

This 24 kW residential solar installation near the Painted Hills in Bozeman was specifically designed for a passive solar system.

A beautiful jobsite
Residential

Ross Residence

October 24, 2023

545 kW Ground Mount System
Industrial & Public Sector

51.3 kW array on campus
Industrial & Public Sector

Will James Middle School

September 1, 2022

The Rustlers go solar!

REC Alpha Pure Black  Modules
Residential

Maximizing available roof space
Energy Storage

Ingle Residence

May 1, 2022

Full home battery back up with Tesla Powerall

REC Twin Peak 2M 375 Watt Modules
Nonprofit

Community Health Partners

February 15, 2022

54.75 kW array on the new Community Health Partners facility in Bozeman

The largest rooftop solar array in the state
Industrial & Public Sector

This 432 kW array is currently the largest rooftop solar system in Montana!

65.25 kW array in downtown Bozeman
Business

Strata Building

January 15, 2021

65 kW of solar in downtown Bozeman

5kW array on the garage
Residential

Cochran 1 Residence

October 27, 2020

4.48 kW residential solar array was a perfect fit for this customer's south facing garage roof.

Views from the job site
Energy Storage

Integrating solar, storage and energy management.

REC 320 Modules
Industrial & Public Sector

The Golden Bears go solar

Array installed over decommissioned treatment ponds
Industrial & Public Sector

Making efficient use of the space by installing a 40 kW ground mount over the facility's decommissioned ponds

High Efficiency LG 365 Watt Modules
Residential

McKnight Residence

November 1, 2019

15 kW residential rooftop solar array in Paradise Valley with high efficiency LG modules.

50kW array next to Deer Park Chalet
Nonprofit

Bridger Bowl Ski Area

October 23, 2019

Bridger Bowl Ski Area, Bozeman's beloved local ski resort, installs a 50 kW solar array near the mid-mountain lodge.

Two Powerwalls and SMA SunnyBoy Inverter
Energy Storage

Peacock Residence

September 18, 2019

Solar array expansion with Tesla Powerwall battery back up

Bird's eye view of project
Residential

Three pole-mounted arrays in the heart of Paradise Valley

Tesla Powerwall
Energy Storage

We're excited to share that we recently completed our first Tesla Powerwall installation! As a Certified Installer, we now offer a customized solar-plus-battery solution as well as car chargers.

180 QCell 345-watt modules
Business

50kW commercial solar array near downtown Bozeman

Finished array with live roof
Business

Bozeman Food Co-op

April 20, 2019

The Bozeman Food Co-op added a new 16.4 kW solar array to the roof when they expanded their W. Main St. facility.

Solar array on the Equestrian Center arena
Nonprofit

Eagle Mount

March 4, 2019

Eagle Mount expanded their existing solar array to 22kW

East-facing array
Residential

Larson Residence

December 18, 2018

By taking advantage of the east, west, and south-facing roof aspects, the Larson family will be able to offset over 100% of their electricity use.

The largest rooftop solar installation in the state
Industrial & Public Sector

MSU Norm Asbjornson Hall

December 1, 2018

This 216 kW solar array on Montana State University's new Norm Asbjornson College of Engineering building is the second largest rooftop solar array in Montana!

Nonprofit

Yellowstone Forever

November 20, 2018

Yellowstone Forever, the official nonprofit of Yellowstone National Park, showed their commitment to sustainability by going solar.

Mounted at a 15° tilt
Nonprofit

The Park County Senior Citizens Corporation and the Yellowstone Bend Citizen's Council worked together with OnSite Energy to install a 50 kW solar array on the roof of the Park County Senior Center in Livingston, MT.

50 kW with a view of the Bridgers
Business

Spark R&D

July 17, 2018

The owners of Spark R&D have been planning a solar roof-top project since they bought their 12,000 square foot building in 2016, and last month we're excited to turn that long-term dream into a reality!

The all-black modules blend in so well with the roof you can hardly see them!
Residential

Scully Residence

June 5, 2018

This sleek 28.8 kW system fits the garage roof so well that you may not even notice it.

Taking advantage of the whole roof!
Business

Electric Peak RV Site

April 19, 2018

100 kW Ballasted Ground Mount
Industrial & Public Sector

Sibanye Stillwater invests in solar to offset the energy usage of the main office at their smelter facility in Columbus, Montana.

Paradise Valley views
Residential

Durbin Residence

September 20, 2017

This house was built with sustainability as a top priority, and we were happy to help them meet their goals with a 9.9kW solar system on the roof.

The Steinmullers with their new solar array!
Residential

Steinmuller Residence

August 30, 2017

The Haug Professional Buidling 50 kW Solar Array
Business

The combined power output of this 4-array solar system adds up to 50 kW, and will supply 100% of the electricity usage of this Bozeman commercial office building. We completed the installation in August, 2017.

The finished product! A roof seemingly made for this solar array
Business

In the summer of 2017 we completed this beautiful 50 kW solar installation on the roof of the Spire Climbing Center, an indoor climbing gym in Bozeman, MT. The energy production from the system is expected to supply nearly 30% of the center's annual energy usage!

19.2 kW Multi-pole Ground Mount Array
Residential

Genter Residence

July 3, 2017

The Genter family will offset almost 100% of their annual energy use with their new 19.2 kW ground-mounted solar installation.

Making the most of a large, complex roof.
Residential

Nehls Residence

May 5, 2017

The Nehls go solar in an all electric house with a complex roof layout and a creatively designed solar electric system.

12 kW array with SolarEdge Inverter
Residential

Meuli Residence

February 24, 2017

The Meuli Family achieved a 'net-zero' electric bill by installing this clean, attractive solar electric system on their garage.

The complete solar array (Photo Credit: Steve White)
Industrial & Public Sector

In October of 2016, OnSite Energy completed the first utility scale solar project in Montana, a 385.92 kW System just outside of Bozeman.

View of the array on the house and one side of the garage.
Residential

Cochran 2 Residence

August 12, 2016

Leading the way in sustainable building, this new home in downtown Bozeman features solar electricity, solar hot water, and an overall focus on build quality and efficiency.

Solar hot water and solar electricity help keep costs down for renters
Residential

Larkspur Commons

August 9, 2016

Larkspur Commons, a brand new 136-unit affordable housing development, was designed to be affordable, efficient, and innovative. Hosting the largest solar hot water system in the state of Montana, along with a smaller scale solar electric system, renewable energy is an important aspect of this landmark development project.

Solar array above Helio and Gallatin Valley Land Trust
Business

OnSite Energy was hired for grant procurement and design-build services for this highly-visible, state-of-the-art 30 kW solar installation.

Solar Power in Belgrade, MT!
Business

On Site Management

July 1, 2016

On Site Management, Inc. (OSM) celebrated Independence Day this year with the installation of a new 50 kW solar electric system on their main shop building at their log yard in Belgrade, MT

Solar Shade!
Nonprofit

Home on the Range

June 25, 2016

Montana's first LEED Platinum certified building accomplishes 100% electrical energy offset with a new 24.75 kW solar carport

Array Close-up
Residential

Swanson Residence

May 27, 2016

Three years after the initial construction of their Bozeman home, the owners eliminated their electricity bill by installing this 10.5 kiloWatt solar array.

Showing off the mobile solar training lab at University of Montana's UC Commons
Industrial & Public Sector

Together with Missoula College, OnSite Energy has sought funding for and completed the design-build of a new Mobile Solar Training Lab that can be used for technical solar trainings at various Montana University System (MUS) locations around the state.

Solar power in Butte, MT!
Industrial & Public Sector

Butte Justice Center

December 22, 2015

Installed in December of 2015 this 27.36 kW solar array is integrated to the roof at the newly-constructed Butte Justice Center.

Power System
Energy Storage

Mellinger Residence

October 15, 2015

When the dream of off-grid living comes true!

Gardiner MT solar power electric
Business

Gardiner Market

September 19, 2015

Local market goes solar!

The new building in front of Old Faithful Geyser and the Old Faithful Inn
Industrial & Public Sector

Though not the largest solar system in Yellowstone, this is perhaps the most unique and high-profile given the intent behind the project’s LEED certification process, and given its high-visibility to visitors of one the Park’s busiest areas: Old Faithful.

East end of the solar array
Residential

Muhlenfeld Residence

September 1, 2015

The residential solar electric system is installed in the heart of the Gallatin Valley, producing clean energy for many years to come.

The Emerson Center solar array in front of Bozeman, MT
Nonprofit

This 30 kW solar system is one of the largest in Bozeman city limits, and covers the entire south-facing roof of the Emerson Center for the Arts and Culture's Crawford Theatre.

Solar for Back-up Power in the Gallatin Valley, MT!
Energy Storage

OnSite Energy was recently hired to install this robust grid-tie solar system with battery back-up for grid outages. Not only has this household eliminated it's electric bill, but it has the ability to power it's critical loads such as the well-pump, boiler, fridge, freezers, and lights during an extended power outage.

Historic Downtown Bozeman
Business

Completed in April of 2015, this 32.4 kW solar electric system is the installed on a historic building -located on the corner of Main Street and Tracy Ave- which is home to various small business offices and retail spaces.

The Hill's 15.3 kW solar installation in Three Forks, MT
Residential

Hill Residence

January 15, 2015

When Leandra Hill of Three Forks decided to install a solar electric system on her property - a former dairy farm - she discovered that her rooftop was not appropriate for hosting a solar array as all of her south-facing roof space was shaded by large trees. Luckily, she learned, there was an alternative: a pole-mounted solar array.

Cole residence with a beautiful backdrop
Residential

Cole Residence

December 19, 2014

This 8 kW residential solar installation in Big Sky, Montana covers 100% of the homeowner's annual electric usage.

11.7 kW solar array
Residential

Gipe Residence

August 30, 2014

Heart of the Valley solar installation in Belgrade, MT
Nonprofit

Together with the Shelter's operations director, OnSite Energy successfully procured grant funding for and installed a 10 kW solar electric system there- reducing the facility's operating costs and enabling the mission-driven organization to continue to succeed.

Solar Power in the Madison Valley!
Residential

Hawks Ridge Ranch

October 15, 2013

Completed in October of 2013, this 10 kW ground-mounted solar array is projected to offset 100% of the electrical usage at Hawks Ridge Ranch located in the Madison Valley, south of Ennis, MT.

Installing the solar modules
Business

Pheasant Farms

May 15, 2013

The energy produced by this 25 kW ground-mounted solar array will offset the electrical usage of three center pivot pumps located on the Pheasant Farms property just outside of Roundup, MT.

Maximizing upper-roof space to avoid shading
Residential

Ball Residence

April 17, 2013

Bozeman residents Jeff and Kathy Ball offset more than 100% of their annual energy load with a 5kW solar installation.

Helena MT solar power electric training
Industrial & Public Sector

Onsite Energy led the installation and solar electric training facilitation of this 2.94 kW system on a new construction home in Helena, MT.

Great Falls MT High School solar electric power
Industrial & Public Sector

Onsite Energy was subcontracted by Cascade Electric -one of Montana’s longest standing and most reputable electrical contractors- to provide design, installation, and training support for this 16.92 kW solar electric system on the Great Falls High School.

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