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Wärtsilä secures 429 MW engine order for United States data center power plant
Monday, February 2, 2026 at 09:53 AM
Wärtsilä has secured an order for 24 units of its 50SG gas engines, totaling 429 MW of capacity, to power a U.S. data center project for an investor-owned utility. The engines are designed for fast-start flexibility to support data center load variability and renewable energy integration, with commercial operations scheduled for late 2028 or early 2029.
Context
Wärtsilä has secured a significant 429 MW order to provide 24 of its 50SG gas engines for a specialized power plant serving a United States data center. Booked in Q1 2026 for an undisclosed investor-owned utility, the project addresses the urgent need for reliable, on-site power generation to support the expanding energy requirements of AI and hyperscale cloud infrastructure.
The deployment of these fast-start engines is critical because they offer the flexible capacity required to manage both variable data center power draws and the inherent intermittency of renewable energy sources. By providing "firming" power, Wärtsilä enables the utility to maintain grid stability without sacrificing performance. The facility is slated to begin commercial operations in late 2028 or early 2029, signaling a long-term commitment to infrastructure that bridges the gap between massive digital growth and sustainable energy integration.
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