Skip to main content


Small Business Smart Energy (SBSE)

Provides technical assistance services to local government, public schools, community colleges, public universities, federal and state government and businesses to assist clients who are considering energy efficiency improvements at existing facilities or to enhance baseline design of new facilities.

Energy Performance Contracting Program

Energy Performance Contracting is an innovative arrangement for designing, installing and financing energy improvement projects where the savings achieved by the project are guaranteed to amortize the cost of the project over the term of the agreement.

Illinois Energy Conservation Code for Commercial and Residential Buildings

Public Act 096-0778 was signed into law on August 28, 2009 amending the Energy Efficient Commercial Building Act by including residential buildings and amending the name of the act to the Energy Efficient Building Act. The new requirements for residential buildings became effective on January 29, 2010.