AEE · 10-Q · 2026Q3 · Full report

Illinois Energy Efficiency Law

AMEREN CORP · 2026-11-06 · Importance 59 · Surprise 60

The CRGA was enacted in January 2026 and became effective in June 2026, increasing Ameren Illinois’ annual energy-efficiency spending caps for 2027–2029. Ameren Illinois’ May 2026 plan requests annual electric energy-efficiency investments of up to $192 million in 2027, $239 million in 2028, and $276 million in 2029, with an ICC decision expected in November 2026. For 2027, the applicable ROE is expected to be the ICC-approved 8.72% ROE for electric distribution service.