192 - How Reciprocating Engines Drive the Energy Transition

In this episode of the Insiders Guide to Energy podcast, hosts Chris Sass and Jeff McAulay explore the role of reciprocating engines in the global energy transition. Jon Rodriguez, Energy Business Director at Wärtsilä North America, shares valuable insights into how these large-scale engines are being used to support the shift from traditional base-load power to renewable energy sources. As renewables like solar and wind continue to grow, the need for flexible, dispatchable technologies that can fill in the gaps becomes essential, and reciprocating engines are perfectly suited for this task. 

Jon explains how Wärtsilä’s engines are already widely used in places like the Caribbean and how they are now being increasingly adopted in developed countries like the United States and Europe. With the ability to burn a variety of fuels—from traditional heavy fuel oil and natural gas to future alternatives like hydrogen and ammonia—these engines offer a versatile and future-proof solution for balancing intermittent renewable energy. They allow power grids to maintain reliability even when renewable sources aren’t available, making them a key player in modern energy systems. 

The conversation also touches on the innovations in engine design, including advanced fuel-flexibility and emissions control. Jon discusses how these engines are being deployed in data centers, industrial applications, and even as a hedge against price volatility in energy markets. With a focus on scalability and rapid deployment, reciprocating engines are proving to be a critical component in the path toward a decarbonized and resilient energy grid. 

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