# Illinois Power Agency Updates RPS Budget Forecast

The Illinois Power Agency updated its Renewable Portfolio Standard (RPS) Budget Forecast with refreshed model inputs, methodology corrections, and changes required by P.A. 104-0458. The revised forecast moves the anticipated budget deficit from delivery year 2027–28 to 2029–30, changing the projected timing of pressure on program funding and future renewable energy credit (REC) spending. Renewable energy developers and other stakeholders should review the updated model and accompanying memo when assessing Illinois RPS-related business and funding assumptions.

- The forecast provides an updated planning basis for developers and other stakeholders evaluating potential effects on RPS program funding and REC spending.
- Companies can review the model and accompanying memo to understand the revised assumptions and methodology relevant to their Illinois market planning.

**Jurisdictions:** sled
**Industries:** Energy & Utilities
**Topics:** Grants & Funding
**Published:** October 09, 2026

### Government Entities
- Illinois Power Agency (IPA)

### Sources
- [Illinois Power Agency Updates Renewable Portfolio Standard Budget Forecast](https://ipa.illinois.gov/announcements/illinois-power-agency-updates-renewable-portfolio-standard-budge1.html) - IL