The U.S. Has Accumulated 100,000 Metric Tons of Used Nuclear Fuel. Oklo Sees It as a Massive Potential Energy Resource.

Oklo is developing advanced fast reactors designed to utilize the U.S.'s accumulated 100,000 metric tons of spent nuclear fuel, potentially reducing waste and expanding domestic fuel supplies. The company is investing $1.7 billion in a Tennessee fuel recycling facility and has major projects underway, including a 75-MWe reactor at Idaho National Laboratory and a 1.2-GW clean energy campus for Meta in Ohio. However, the company faces regulatory risks and significant capital expenditures before achieving commercial viability.