We've spent decades perfecting a simple idea: guaranteed energy savings with zero risk to your operations.
eneroi is the industry leading energy engineering solutions company for industrial, large commercial, sports, and educational facilities across North America.
For over 47 years, our team has been designing, installing, and verifying energy saving and power quality improvement projects for a diverse set of large power users. Our custom-designed, turnkey projects have helped hundreds of facilities realize substantial energy savings with industry-leading paybacks.
Our hands-on management team collectively has over 100 years of in-field experience designing and implementing these projects to achieve maximum savings with little to no impact on existing operations.
Our technology is mostly passive. That means no employee training, no changes to how your equipment runs, no production disruption. We install our solutions around your schedule, and they work silently behind the scenes, reducing energy waste at the source.
What makes us different isn't just the technology. It's the guarantee. Every eneroi project comes with specific, guaranteed savings figures backed by an AM Best A+ rated insurance company. If we don't deliver, you're covered. That's not a marketing claim; it's a contractual commitment with a policy behind it.
We verify everything using IPMVP DOE-standard measurement and verification protocols, the same standards used by the Department of Energy. Your savings aren't estimated. They're independently measured and documented.
Based in Louisville, Kentucky, we work with facilities across North America, from food manufacturing and automotive to chemical processing, sports arenas, and educational campuses. Facilities we work with range from simple warehouse space to large, complex industrial plants with electrical costs ranging from $40,000 to $4.5 million per month.
Our hands-on management team collectively has over 100 years of in-field experience designing and implementing energy savings projects.
We meet the standards required by the industry's most rigorous compliance and partnership programs.

Verified in the world's largest contractor management network — meeting the safety, insurance, and procurement requirements of major industrial owners.

Pre-qualified by Avetta for safety, sustainability, and compliance — trusted by procurement teams across North American manufacturing.

Approved partner in TVA's Preferred Partners Network, working directly with utility-incentive programs across the Tennessee Valley.
Our solutions require zero employee training, zero operational changes, and zero equipment cycling. They work silently, 24/7.
Every guaranteed savings figure is backed by an AM Best A+ rated insurance company. Not just a promise, a contractual commitment.
No off-the-shelf solutions. Every project is engineered specifically for your facility's unique load profile and systems.
We use DOE-standard measurement and verification protocols. Your savings are independently measured, not estimated.
We don't optimize one system in isolation. We analyze and improve motors, lighting, refrigeration, air compression, and HVAC together.
Our solutions are engineered for 20+ years of durability. The savings compound year after year, long after the initial payback.
From food production to sports arenas, we work with any facility that needs reliable, measurable energy savings.
Request a free, no-obligation analysis. We'll show you exactly what we can guarantee, and back it with insurance.
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