To combat climate change, a lot of countries are spending billions on new and different kinds of nuclear reactors.

What was it they say? Out with the old and in with the nucleus Increasingly, datacenter operators are putting their faith in the promise of miniaturized nuclear power plants – better known as small modular reactors (SMRs) – to fuel their ever-growing energy demands.

Oklo (NYSE:OKLO) +10.4% pre-market Wednesday after saying it received letters of intent and is partnering with two unnamed data center providers to deliver up to 750 MW of low carbon power for data centers across the U.