Client: Ameren 2023 Integrated Resource Plan
Author: Tyler Comings, Joshua R. Castigliego
March 2024
Senior Economist Tyler Comings and Researcher Joshua Castigliego co-wrote comments with Sierra Club on Ameren Missouri's 2023 Integrated Resource Plan (IRP) filed at the Missouri Public Service Commission. The comments focused on flaws in the IRP including the lack of a thorough evaluation of the coal units' futures, the understatement of new gas replacement costs and overstatement of clean energy costs.