Bookmark Business Constellation Energy to Acquire Calpine in Landmark $26.6 Billion Deal by Olawunmi Sola-Otegbade January 10, 2025 by Olawunmi Sola-Otegbade January 10, 2025 Constellation Energy to Acquire Calpine in Landmark $26.6 Billion Deal In a move set to reshape the US energy landscape, Constellation Energy has announced its intention to acquire privately-held Calpine …