Talen Energy Corporation remains a Strong Buy, with the Cornerstone acquisition marking a pivotal shift from promise to tangible earnings growth. FERC approval enables TLN to add 2.6 GW of gas generation in PJM, directly targeting AI-driven data center demand and power scarcity. Cornerstone adds ~$500M EBITDA, raising 2027 guidance to ~$2.6B and offering 10–11% equity accretion at a 6.6x EV/EBITDA multiple.