North America’s top-ranked fossil fuel contractor and designer.
Natural gas remains a cornerstone of the U.S. power mix, providing reliable baseload and flexible dispatchable generation to keep the grid stable. With decades of engineering and construction experience, Kiewit sets the standard for dependable, efficient natural gas power generation.
Ranked No. 1 fossil fuel contractor and designer by ENR, Kiewit delivers certainty with end-to-end EPC solutions. From engineering services to full execution, our self-perform capabilities and cross-market expertise reduce risk and drive results.
Fossil Fuel Contractor and Designer, ENR 2025 Sourcebook Rankings
Our teams design and build everything from simple-cycle peaking plants to complex combined-cycle facilities, working across technologies that include:
We support clients at every stage from pre-FEED through commissioning by providing owner’s engineering, project development, layout optimization, systems integration and constructability-focused design. Whether it’s a single task order or a major program, our engineering services are tailored to deliver quality, efficiency and value.
With over $10 billion in annual procurement across a network of 22,000+ vendors, Kiewit leverages global partnerships to provide efficient, end-to-end material management, securing volume discounts and long-term agreements to help clients manage risk and control costs.
Backed by nearly 140 years of construction experience, Kiewit’s integrated engineering and construction teams deliver simplified, cost-effective execution for complex EPC and design-build projects. This collaborative approach minimizes delays, reduces cost overruns and ensures that each project meets quality and safety expectations.
Successful projects begin with the end in mind. From turnkey EPC projects to projects for an existing facility, we leverage integrated construction and commissioning teams to provide a seamless transition from construction to commercial operations — safely and on schedule.
Beyond Kiewit’s full-service EPC delivery, our construction-focused engineering and consulting services team delivers expertise across various power generation markets.
Our team of 4,000 engineering and design staff, including 1,500 dedicated to power, design and plan projects with a strong focus on constructability. Our clients can expect safe and reliable solutions focused on lower operational costs, reduced downtime and simplified maintenance. Kiewit’s engineering services are designed to meet each client’s specific needs, providing quality, efficiency and value for every project, from small tasks to major engineering programs.
Kiewit provided engineering, procurement and construction services for the Long Ridge Energy Generation Terminal in Clarington, Ohio. The 485 MW combined-cycle gas-fired power plant was built at the former Ormet Smelter site along the Ohio River.
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Engineering, procurement and construction services for a 705 MW combined-cycle gas turbine power plant.
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Kiewit engineered, procured and constructed this 1,250-megawatt natural gas power plant in Illinois. The facility is now operational and has the capacity to power more than 1.25 million homes and businesses supporting Illinois’ energy demand with reliable, cost-effective and lower-emissions generation.
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KEM Energia Constructora, S de RL de CV (Kiewit and strategic alliance partner GIA) were contracted for the design, engineering, procurement, construction, start-up, commissioning and testing of a 2X0 simple-cycle natural gas power plant.
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1,450 MW EPC plant with GE 7HA.03 gas turbines, STF-D600 steam turbines and the largest 500kV GIS installation in the U.S.
Contact us to learn how Kiewit can help bring your next power generation or delivery project to life.