Utility record · Ameren

Ameren Illinois

Ameren Illinois transitioned to Rider NMOS for new residential solar customers effective January 1, 2025 under the Climate and Equitable Jobs Act. Systems installed and documented before 5:00 PM December 31, 2024 are grandfathered into full retail net metering for the 30-year life of the generator.

Utility tariff Net metering rules Net Metering for On-Site Generation (Rider NMOS), what gets compensated, when, and how. Read utility rules → Illinois context Buyback rate context How Ameren fits the broader Illinois buyback-rate picture after Smart Solar Billing. Compare buyback rates →