Ameren Missouri plans 2,100-MW West Alton combined-cycle gas plant, targets 2031 completion

Ameren Missouri has filed with the Missouri Public Service Commission to construct the 2,100-MW West Alton Energy Center, a combined-cycle natural gas plant. Targeted for completion in 2031 pending approval, the project aims to provide 24/7 baseload generation as demand rises and older plants retire. Located next to the existing Sioux Energy Center, it leverages current infrastructure to limit costs and is expected to create over 1,000 construction jobs.

Ameren Missouri filed with the Missouri Public Service Commission to build the 2,100-megawatt West Alton Energy Center, a combined-cycle natural gas plant. * Targeted for completion in 2031, pending regulatory approval, to add ²⁴⁄₇ baseload generation as demand rises and older plants retire. * Planned next to the existing Sioux Energy Center to use existing equipment and grid connections, aiming to limit capital costs. * Project expected to support more than 1,000 construction jobs over several years. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Ameren Corporation published the original content used to generate this news brief via PR Newswire (Ref. ID: 202607270655PR_NEWS_USPR_____CG12111) on July 27, 2026, and is solely responsible for the information contained therein. © Copyright 2026 - Public Technologies (PUBT)

Ameren Missouri filed with the Missouri Public Service Commission to build the 2,100-megawatt West Alton Energy Center, a combined-cycle natural gas plant. * Targeted for completion in 2031, pending regulatory approval, to add ²⁴⁄₇ baseload generation as demand rises and older plants retire. * Planned next to the existing Sioux Energy Center to use existing equipment and grid connections, aiming to limit capital costs. * Project expected to support more than 1,000 construction jobs over several years. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Ameren Corporation published the original content used to generate this news brief via PR Newswire (Ref. ID: 202607270655PR_NEWS_USPR_____CG12111) on July 27, 2026, and is solely responsible for the information contained therein. © Copyright 2026 - Public Technologies (PUBT)