Design & engineer
Reduce risk through engineered-led design.
One accountable partner across the infrastructure lifecycle
From engineering and manufacturing to deployment, service and ongoing optimization, Rehlko delivers integrated energy resilience solutions that help customers maintain business continuity throughout the life of their infrastructure. Unlike equipment providers focused on a single transaction, Rehlko provides accountability across the entire lifecycle of mission-critical power systems through a model built around long-term performance, service and operational continuity.
Lifecycle accountability
Rehlko brings together engineering, manufacturing, deployment and lifecycle services to deliver integrated energy resilience solutions for mission-critical infrastructure. Our engineering-led approach provides customers with a single partner across the full lifecycle of their power systems, from design and deployment to long-term service and optimization.
Energy Hub - Home Page - Lifecycle - Card Row
Design & engineer
Reduce risk through engineered-led design.
Build & integrate
Build engineered systems.
Service & optimize
Protect uptime through long-term support.
Evolve & future-proof
Adapt to changing energy demands.
At the intersection of three powerful trends
AI expansion, grid instability and electrification are reshaping energy demand around the world. Rehlko helps organizations navigate these challenges through integrated energy resilience solutions designed for mission-critical operations and critical infrastructure.
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AI expansion
Powering the infrastructure behind AI growth and expanding data center demand.
Grid instability
Helping organizations maintain reliability and operational continuity in an increasingly constrained energy environment.
Electrification
Supporting rising electricity demand across industries, critical infrastructure and the energy transition.
Global scale. Proven performance.
For more than 100 years, Rehlko has delivered power solutions for mission-critical operations around the world. Today, our global footprint, engineering expertise and growing installed base support customers across data centers, healthcare, telecommunications, industrial and other critical infrastructure markets.
100+ years of engineering heritage
80+ global locations
14+ GW deployed capacity
9,000+ associates
Over 90% custom-engineered for specific applications
Inventor of the world’s first internal combustion engine-driven generator
Powering the world’s most critical infrastructure
Organizations around the world rely on resilient energy systems to keep essential operations running. From data centers supporting AI and digital services to hospitals, telecommunications networks, utilities and industrial facilities, Rehlko helps customers maintain continuity, reduce risk and prepare for evolving energy demands. Our solutions support the critical infrastructure that powers everyday life and the global economy.
Explore the latest at Rehlko
Energy Hub - Data Center Solutions - Explore the latest - Card Row
Powering Good Neighbors
Helping community members and their leaders, customers, partners and other stakeholders communicate consistently about how responsible data center growth can support both data center needs and community priorities.
End-to-end data center backup power solutions
Power AI workloads and critical operations with integrated solutions, engineering expertise, and lifecycle support from a single partner.
Decarbonize without sacrificing uptime
Meet near-term capacity needs while preserving lower-carbon options for the future.
Is your data center ready for AI?
Learn how Rehlko helps data centers prepare for AI workloads with reliable, scalable power infrastructure.
