Building Energy Code (Illinois)

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Last modified on February 12, 2015.

Rules Regulations Policies Program

Place Illinois

Name Building Energy Code
Incentive Type Building Energy Code
Applicable Sector Commercial, Residential
Eligible Technologies Comprehensive Measures/Whole Building
Active Incentive Yes

Implementing Sector State/Territory
Energy Category Energy Efficiency Incentive Programs






Code Change Cycle An automatic update provision directs the Capital Development Board to adopt each new version of the IECC within nine months of its publication, with an effective date three months afterwards. The latest code change became effective January 29, 2010. As required by law, the 2012 IECC will take effect on January 1, 2013.
Commercial Code The Illinois Energy Conservation Code incorporates the 2009 IECC and ASHRAE Standard 90.1-2007 (by reference) for all privately-funded commercial buildings. Standard 90.1-2007 is also required for all publicly-funded commercial buildings. This code is mandatory statewide.

















Residential Code The Illinois Energy Conservation Code incorporates the 2009 IECC for all residential buildings 3 or fewer stories in height (4 or less if in Chicago). This code is mandatory statewide.



















Website http://bcap-ocean.org/state-country/illinois
Date added to DSIRE 2006-07-27
Last DSIRE Review 2012-08-30
Last Substantive Modification
to Summary by DSIRE
2012-08-30


References DSIRE[1]


Summary

Much of the information presented in this summary is drawn from the U.S. Department of Energy’s (DOE) Building Energy Codes Program and the Building Codes Assistance Project (BCAP). For more detailed information about building energy codes, visit the DOE and BCAP websites.

Public Act 093-0936 (Illinois Energy Conservation Code for Commercial Buildings) was signed into law in August, 2004. The Illinois Energy Conservation Code for Commercial Buildings became effective April 8, 2006. This law requires all commercial construction for which a building permit application is received by a municipality or county to follow a comprehensive statewide energy conservation code. The Capital Development Board has the authority to create administrative rules, and its most recent rule amendments mandated that the code for commercial buildings follow 2009 International Energy Conservation Code (IECC) (as of August 2009). Municipalities and counties are required to enforce 2009 IECC.

The Energy Efficient Building Act (HB 3987) was signed into law in August 2009. The legislation directed the Illinois Capital Development Board (CDB) to adopt the Illinois Energy Conservation Code, which became effective January 29, 2010. The new statewide code (71 IAC 600) incorporates the 2009 IECC for residential buildings and privately funded commercial buildings and ASHRAE 90.1-2007 for publicly funded commercial buildings (previously, there was not a mandatory residential statewide energy code based on the IECC). An automatic update provision directs the CDB to adopt each subsequent version of the IECC within nine months of its publication, with an effective date three months afterwards. The legislation also removed local home rule jurisdiction over residential energy standards. Local governments are allowed to adopt more stringent energy codes for commercial buildings (but not less stringent). These jurisdictions also may not adopt residential codes more or less stringent than the state code.

Senate Bill 3724, signed into law in August 2012, made some changes to the implementation of future codes, including 2012 IECC. The CDB is now required to adopt new versions of the IECC within one year of its publication and the code is to take effect statewide within 6 months of being adopted. The law includes an exception for the new code, which is expected to be adopted in 2012. The law provides that any code adopted in 2012 will take effect on January 1, 2013.


Incentive Contact

Contact Name Greg Lenaghan
Department Illinois Department of Commerce and Economic Opportunity
Division Bureau of Energy and Recycling
Address 620 East Adams Street

Place Springfield, Illinois
Zip/Postal Code 62704
Phone (217) 785-3983
Phone 2 (800) 785-6055

Email greg.lenaghan@illinois.gov
Website http://www.commerce.state.il.us/dceo/Bureaus/Energy_Recycling/
Contact Name Bruce Selway
Department Illinois Department of Commerce and Economic Opportunity

Address 620 East Adams

Place Springfield, Illinois
Zip/Postal Code 62701
Phone (217) 785-2023


Email bruce.selway@illinois.gov
Website http://www.ildceo.net/dceo
     


















  • Incentive and policy data are reviewed and approved by the N.C. Solar Center's DSIRE project staff.[1]

References

  1. 1.0 1.1  "Database of State Incentives for Renewables and Efficiency (DSIRE)"