U.S. utility Talen Energy announced on Wednesday an expanded nuclear energy partnership with Amazon.com to supply up to 1,920 megawatts of electricity from its Susquehanna plant in Pennsylvania to Amazon Web Services (AWS) data centers.

Talen Energy (NASDAQ:TLN) +9.7% pre-market Wednesday after saying it has expanded its nuclear energy relationship with Amazon (NASDAQ:AMZN) to provide carbon-free energy from Talen’s Susquehanna nuclear power plant in Pennsylvania to Amazon Web Services data centers in the region.

Shares of Talen Energy Corp. (TLN) surged 7.73% to $274.82 on Wednesday after the company entered into a power purchase agreement with Amazon (AMZN). Under the new power purchase agreement, Talen will supply power from its Susquehanna nuclear plant to Amazon Web Services (AWS) data centers in the region and can deliver it to other sites throughout