"This Request for Proposal (RFP) is being issued by the Ameren Illinois Company (AIC) to satisfy a section of the Illinois Public Utility Act; 220 ILCS 5/16-111.5B . This legislation requires that Illinois electric utilities administer an annual solicitation process for the expansion of electric energy efficiency programs to capture all cost-effective achievable efficiency. AIC currently provides its customers with a dual fuel (electric and gas savings) energy efficiency portfolio (Attachment E1). This RFP is soliciting proposals for new portfolio programs that would assist AIC in capturing all cost-effective achievable electric savings".