POWER IS WHAT WE DO

Industrial power systems

We are world leaders in advanced power solutions. Our reliable generators are designed and engineered to never miss a beat – keeping your business and operations running strong, so you can focus on what matters most.

Making a positive impact

Sustainability is at the heart of everything we do. Discover how we are laying the groundwork for a stronger future by prioritizing operational excellence, delivering resilient products and services, and fostering engaged communities.

Crane lifting a diesel generator to the rooftop of a building under a warm late afternoon sky.
Rehlko headquarters building.

Ushering in a new era of sustainable energy innovation

Rehlko, formerly Kohler Energy, is building upon a 100-plus-year legacy of powering an energy-resilient world. We are proud to operate as an independent enterprise, serving as a global leader in delivering a comprehensive range of power solutions.

Starting in 1920 with the first modern generator, we have continued to reliably meet the world’s energy needs while planning for the future. We provide power generation, energy storage, and renewable energy technologies that withstand the test of time and help create a more sustainable world.

Seamless power integration

We understand you have many operational priorities and need power solutions that can be relied on. Designing systems for maximum uptime requires careful attention to system architecture and equipment redundancy. Whether it’s generators powered by gas, diesel, or hydrotreated vegetable oil (HVO), our total system integration ensures the most suitable switchgear, ATS, and controllers, meaning all solutions work seamlessly together, so everything functions precisely as it should.

Person pressing a button on a touchscreen monitor with the HVO logo and woman with Rehlko helmet
eFrame Enclusure on a cement stand with a wood paneled wall in the back

Powering your projects – whatever the scale

Rehlko, through its Power Systems business, delivers worldwide energy solutions, designed to ensure resilience for mission-critical applications of all sizes. From industrial energy systems and powertrain technologies through to home energy, we pride ourselves on delivering stability and confidence to individuals, businesses, and communities alike.

Global standard in energy innovation

Rehlko doesn't just deliver power; we define its global standard. We engineer cutting-edge industrial power systems for reliable power, and intelligent energy management. Find out how we meet the needs of end users in every major industry, from data centers and hospitals to water treatment facilities and government operations worldwide.

Data Center rack enclosures with sparkling lights from the servers
Find Your Distributor.

Your global power, always supported

Leveraging our expertise and legacy of 100-plus years in providing power generation solutions, our generators have powered everything from homes and hospitals to stadiums and data centers. No matter where you are, Rehlko's here to keep you in power. With direct service locations and a distributor network that spans the globe, you're never left in the dark. Our customers gain peace of mind with 24/7 emergency service and swift, responsive after-market support, whenever and wherever you need it.