Constellation Energy was rising sharply after Meta Platforms signed an agreement to buy power generation of a Constellation nuclear plant in Illinois in a 20-year deal.Shares of clean-energy provider Constellation surged 12% in premarket trading.

Meta has cut a 20-year deal to secure nuclear power to help meet surging demand for artificial intelligence and other computing needs at Facebook's parent company.

Facebook parent Meta announced an unprecedented deal with Constellation Energy, the largest American nuclear power plant operator, cementing Meta’s turn to turn to nuclear energy to power its energy intensive,