The plant Google invested in isn’t going to be built until the early 203. When it starts generating usable fusion energy is still TBD.

Google just inked a power purchase deal with Commonwealth Fusion Systems, a company planning to build in Chesterfield County what it hopes is the world's first commercial nuclear fusion power plant. Why it matters: The planned reactor is still years away,

In a first-of-its-kind agreement, Google will purchase electricity from a nuclear fusion power plant. But the technology remains years from commercial scale.