Wärtsilä Corporation has announced a significant 507 MW order to supply power solutions for a new data center under construction in the United States. The technology group will deliver 27 engines to provide continuous primary power for the facility, marking continued growth in the data center segment.

Project Specifications and Timeline

The onsite power facility will operate with 27 Wärtsilä 50SG flexible engines generating a combined power output of 507 MW. The engines will run on natural gas and can be converted to run on sustainable fuels in the future. Equipment delivery is scheduled for 2027, with the order being booked in Wärtsilä's order intake in Q4 2025.

Market Drivers and Technology Selection

Data centers require substantial power and demand high uptime and reliability. Access to consistent, reliable grid power is not guaranteed, as conventional supply systems often struggle with capacity constraints, inefficiencies, and insufficient stability. Many data center developers are turning to off-grid power solution,s including a primary power source, like an engine power plant, to ensure faster access to reliable power.

Wärtsilä's engines were chosen over competing technologies for several reasons, including their ability to operate at full capacity even at temperatures exceeding 100 degrees Fahrenheit (37.8 degrees Celsius). The company can guarantee low plant emissions, and the leading fuel efficiency of Wärtsilä engines allows customers to reach their sustainability targets.

Strategic Advantages and Market Position

Anders Lindberg, President of Wärtsilä Energy and Executive Vice President of Wärtsilä, explained the benefits of their off-grid solutions. The solutions eliminate lengthy delays in grid connection and provide additional intrinsic benefits. Wärtsilä's modular engine power plants ensure high power availability even during maintenance and ramp up quickly to meet fluctuating power demands. The plants scale up in capacity as fast as data centers grow and operate efficiently in demanding environments, using significantly less fuel and water than other technologies.

Wärtsilä currently maintains a global footprint of 79 GW with 6 GW and around 80 power plants in the United States alone. As noted in the company's Q3 2025 report, the data center market offers further growth opportunities in the US. The United States is expected to be the global leader in data center growth by 2030. As energy demand grows rapidly, customers and the market in the US are increasingly realizing the benefits of flexible generation technologies – engine technology and energy storage – to provide affordable, reliable, and sustainable energy.

Company Background and Capabilities

Wärtsilä Energy positions itself at the forefront of the transition towards a 100% renewable energy future, helping customers and the power sector accelerate their decarbonisation journeys through market-leading technologies and power system expertise. The company's solutions include flexible engine power plants, energy storage and optimisation technology, and lifecycle services for installations. Their engines are future-proof and can run on sustainable fuels.

The company's track record comprises 79 GW of delivered power plant capacity and over 130 energy storage systems across 180 countries worldwide. Over 30% of their operating installed base is under service agreements.

Wärtsilä operates as a global leader in innovative technologies and lifecycle solutions for the marine and energy markets, emphasizing sustainable technologies and services to help customers continuously improve environmental and economic performance. The company employs 18,300 professionals in more than 230 locations across 77 countries, shaping the decarbonisation of industries worldwide. In 2024, Wärtsilä's net sales totalled EUR 6.4 billion, and the company is listed on Nasdaq Helsinki.

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