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

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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

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Energy Saving Ideas

Don’t fall for energy vampires. 1280 850 Donnelly Energy

Don’t fall for energy vampires.

Don’t fall for energy vampires (or behind on your HVAC maintenance) this Fall. The results could leave you looking pale and lifeless after looking at your utility bills. Every Autumn (and Spring) we remind our NJ Direct Install Program clients that keeping up with the routine maintenance and cleaning of their HVAC systems can prolong…

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Busy Bees of Energy 1280 850 Donnelly Energy

Busy Bees of Energy

October is pretty busy when you’re in energy efficiency.  Since 2012, October has been designated  “National Clean Energy Action Month”, a yearly federal movement that reminds us in the U.S. of the importance of clean energy, environmental well-being, and sustainability. Energy Efficiency Day on October 2nd puts a special LED spotlight on the movement though,…

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Donnelly Energy Recognized for EV Work 1280 850 Donnelly Energy

Donnelly Energy Recognized for EV Work

Donnelly Energy was recently recognized for its electric vehicle charging infrastructure work with Orange and Rockland (O&R) at the utility’s first-ever Electric Vehicle Partnership Awards. As the 2024 Commercial Plug-in Pioneer, Donnelly Energy is proud to help our friends at O&R drive the point on why adopting electric vehicle charging in commercial facilities is a…

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Stay Plugged In

“Energy and persistence conquer all things.”

Benjamin Franklin