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2024 Base Code Proposals
The public proposal period for the 2024 Illinois Energy Conservation Code (Base Code) has begun and will remain open until 12/31/24. The Illinois Base Code is required to be based on the 2024 IECC. Anyone wishing to submit a proposal to amend the 2024 IECC can submit a proposal form to CDB. All proposals will be considered by the Illinois Energy Conservation Advisory Council.
Please download the proposal template and email it as an attachment to cdb.energycodes@illinois.gov Please include "2024 Code Proposal" in the subect. Once your proposal has been reviewed for completeness, it will be published in the table below. Incomplete proposals will not be accepted.
Anyone wishing to submit a letter of support or opposition to a code proposal may send a letter via email to cdb.energycodes@illinois.gov no later than 1/31/25. Letters will not be published on this website, but will be reviewed by the ILECAC during the proposal review period. Support/opposition letters must include the proposal number which can be found in the upper right portion of the proposal form.