PUT SOME ENERGY INTO ENERGY EFFICIENCY

We're a premier energy efficiency firm with a passion for doing good for both our customers and the environment.

Making energy efficiency cool since 2008

At Donnelly Energy, we’re elevating energy efficiency in New Jersey. Our mission? To empower businesses and local governments with cost-effective, sustainable solutions across lighting, HVAC, EV charging, and solar systems. With our exceptional team, we drive the transition to green energy, focusing on reducing both your energy bills and carbon footprint.

Donnelly Energy is an approved Direct Install Trade Ally with every New Jersey public utility.

Direct Install Program

Incentives of up to 80% off for commercial energy efficiency, with no interest investments.

Our Love for Jersey is Electric

Click to explore a selection of recent projects, or visit our projects page to view all of our work.

Cobblestone Creek Country Club

Lawrence Township, NJ

Cobblestone Creek Country Club became concerned about a rise in their energy usage and utility…
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Wightman Stadium At William Paterson University

Wayne, NJ

Donnelly Energy successfully executed a significant LED lighting upgrade at William Paterson…
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Hacketstown

Lawrence Township, NJ

Aliquam feugiat ac eget enim suspendisse sed velit a. Sit gravida rutrum molestie…
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Sawyer Lyons Buick GMC

Randolph, NJ

Donnelly Energy and Sawyer Lyons Buick GMC recently partnered together on a sustainability…
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McDonald’s Somerville

Somerville,NJ, NJ

Donnelly Energy, a division of Donnelly Construction, has been a valued energy efficiency…
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St. Augustine of Canterbury School

Kendall Park, NJ

St. Augustine of Canterbury School underwent an energy efficiency upgrade thanks to the help of…
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Columbus

Lawrence Township, NJ

Aliquam feugiat ac eget enim suspendisse sed velit a. Sit gravida rutrum molestie…
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West Long branch School District

West Long Branch, NJ

While students were enjoying their summer break, the team at Donnelly Energy was hard…
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Atlantic City

Lawrence Township, NJ

Aliquam feugiat ac eget enim suspendisse sed velit a. Sit gravida rutrum molestie…
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Cape May

Lawrence Township, NJ

Aliquam feugiat ac eget enim suspendisse sed velit a. Sit gravida rutrum molestie…
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Roxiticus Golf Club

Mendham, NJ

Roxiticus Golf Club had begun working withDonnelly Construction on a renovation of their…
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North Haledon Fire Department

Haledon, NJ

As the authorized contractor for Passaic County under PSE&G’s Direct Install (UEZ) program…

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Covenant House Atlantic City

Atlantic City, NJ

Covenant House, a nonprofit providing support for young people facing homelessness and…
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Big Lots

Cape May, NJ

Because of our prior success with Progressive Companies, a property manager assigned to the Big Lots…
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OUR RECENT PROJECTS

You Know Our Work:

Let's Get Energized

Name

Energy Saving Ideas

2022 Earth Day Challenge 1280 850 Donnelly Energy

2022 Earth Day Challenge

Join us beginning April 1st (no joke)!

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Ready to “go EV”? 512 340 Donnelly Energy

Ready to “go EV”?

We’re ready to help customers to adopt EV charging needs throughout New Jersey!

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Boilers and Chillers 512 340 Donnelly Energy

Boilers and Chillers

Direct Install boiler and chiller retrofit upgrades available!

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Stay Plugged In

“Energy and persistence conquer all things.”

Benjamin Franklin