Is commercial fusion finally near?

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For a half century, fusion has been a scientific story playing out in national labs, government research budgets, and peer-reviewed journals. Every so often, a bold claim captures the public’s attention, and then leads to disappointment when people realize that limitless energy from the stars is very hard to produce on Earth.

But now fusion is evolving into a commercial story. This spring, Commonwealth Fusion Systems became the first fusion company to file a generation interconnection request with PJM. The company has a site in Virginia, customers in Google and Eni, and a timeline that could put power on the grid in the early 2030s. That’s roughly the same window as a conventional power plant built today.

The science is far from done, and fusion has burned optimists before. But for the first time, the conversation has shifted from “can this ever work” to “can this work on a timeline that matters for today’s grid planning?”

This week, we interrogate that timeline with Rick Needham, chief commercial officer at Commonwealth Fusion Systems.