Mike Kramer has always liked puzzles. But in 2017 he faced one harder than any sudoku. This one involved the livelihoods of hundreds of American families. 

As director of business operations and the chief financial officer for Exelon Corporation’s eastern region, Mike Kramer was accountable for the financial health of seven nuclear generation facilities across four states. And things were not looking good.

The trend lines for nuclear power had been heading down. In much of the country, renewables had reached grid parity and cheap natural gas was edging out nuclear power. He couldn’t make the math work at one of the reactors Exelon had operated for nearly 50 years – Three Mile Island Unit One. So in September 2019, it shut down. 

But last fall, things started turning around. Exelon spin-out Constellation, where Mike is now VP of data economy strategy, is restarting the plant as the Crane Clean Energy Center. And things are looking up at Constellation’s nuclear plant in Clinton, Illinois, which it is relicensing to operate for another 20 years.

This week on With Great Power, Mike shares his take on the nuclear energy renaissance, what it’s been like to go from decommissioning to recommissioning a plant, and what growing demand for emissions-free power means for Constellation’s nuclear fleet across the country.

With Great Power is a co-production of GridX and Latitude Studios.

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Credits: Hosted by Brad Langley. Produced by Mary Catherine O’Connor. Edited by Anne Bailey. Original music and engineering by Sean Marquand. Stephen Lacey is executive editor. The GridX production team includes Jenni Barber, Samantha McCabe, and Brad Langley.