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Talen Energy closed its $2.57 billion Cornerstone Acquisition of three natural-gas plants on June 15, 2026, adding about 2.6 gigawatts of capacity, and raised its full-year 2026 Adjusted EBITDA guidance to $2.025-$2.225 billion $2.57B for 2.6 GW of new capacity
Verified 2026-10-13
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