Constellation Energy is trading at $281.39, up +5.15%, in pre-market following the announcement of a long-term strategic clean energy collaboration with Alphabet's Google. * The 20-year power purchase agreement will bring 890 megawatts (MW) of new nuclear capacity onto the PJM Interconnection grid. * This deal represents more than $4.3 billion of new investment by Constellation, along with a 15-year energy supply agreement for an additional 2,700 MWs. * The collaboration aims to meet growing demand for Google's data centers and increase grid reliability.