PSC sets deadline in Ameren Missouri IRP filing
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JEFFERSON CITY— Pursuant to Public Service Commission rule, Union Electric Company d/b/a Ameren Missouri (Ameren Missouri) has filed its 2023 Integrated Resource Plan (IRP). The purpose of an IRP is to ensure investorowned utilities consider all options, including demand side efficiency and energy management measures, to provide safe, reliable and efficient electric service to the public at reasonable rates.