CMS Energy outlines 2026 integrated resource plan targeting 100% clean energy by 2040
CMS•Reliability actions and investment outlook
Reliability actions include about 1,400 MW of new gas peakers by 2031, with a Jackson plant replacement of about 700 MW in 2040.
The updated 2026-2030 utility investment plan totals $24 billion, with a longer-term investment outlook of $46.8 billion through 2040.
Non-rate base earnings opportunities include about $50 million pre-tax from an FCM by 2030, rising to about $195 million by 2040.
2026 integrated resource plan and clean energy targets
CMS Energy outlined a 2026 Integrated Resource Plan targeting about 60% renewable portfolio standard by 2035 and 100% clean energy by 2040.
The plan adds about 15,800 MW of clean resources by 2040, supported by about 4,100 MW of battery storage.




