Status of State Energy Code Adoption - Residential


Image
Residential State Code Adoption Map

As of June 30, 2021

Table 2. Status of State Energy Code Adoption Map Summary - Residential
State Current Code
(as of 6/30/21)
State Map Legend
(as of 6/30/21)
Alabama 2015 IECC with amendments 2009 IECC
Alaska None statewide No statewide code
Arizona* Home rule < 2009 IECC
Arkansas 2009 IECC with amendments < 2009 IECC
California 2019 Bldg. Energy Efficiency Standards 2018 IECC
Colorado Home rule No statewide code
Connecticut 2015 IECC with amendments 2009 IECC
Delaware 2018 IECC  2018 IECC
District of Columbia 2015 IECC with amendments 2018 IECC
Florida 2018 IECC with amendments 2009 IECC
Georgia 2015 IECC with amendments 2009 IECC
Hawaii* Home rule < 2009 IECC
Idaho 2018 IECC with amendments 2009 IECC
Illinois 2018 IECC with amendments 2009 IECC
Indiana 2018 IECC with amendments 2009 IECC
Iowa 2012 IECC with amendments 2009 IECC
Kansas Home rule No statewide code
Kentucky 2009 IECC 2009 IECC
Louisiana 2009 IECC 2009 IECC
Maine 2009 IECC 2009 IECC
Maryland 2018 IECC 2018 IECC
Massachusetts 2018 IECC with amendments 2018 IECC
Michigan 2015 IECC with amendments 2009 IECC
Minnesota 2012 IECC with amendments 2009 IECC
Mississippi None statewide No statewide code
Missouri Home rule No statewide code
Montana 2018 IECC with amendments 2009 IECC
Nebraska 2018 IECC 2018 IECC
Nevada 2018 IECC with amendments 2009 IECC
New Hampshire 2015 IECC with amendments 2009 IECC
New Jersey 2018 IECC with amendments 2009 IECC
New Mexico 2018 IECC with amendments 2009 IECC
New York 2018 IECC with amendments 2018 IECC
North Carolina 2015 IECC with amendments 2009 IECC
North Dakota Home rule No statewide code
Ohio 2018 IECC with amendments 2009 IECC
Oklahoma 2009 IECC with amendments 2009 IECC
Oregon 2017 Oregon Residential Specialty Code  2018 IECC
Pennsylvania 2015 IECC with amendments 2009 IECC
Rhode Island 2015 IECC with amendments 2009 IECC
South Carolina 2009 IECC 2009 IECC
South Dakota Home rule No statewide code
Tennessee 2009 IECC with amendments < 2009 IECC
Texas 2015 IECC 2018 IECC
Utah 2015 IECC with amendments 2009 IECC
Vermont 2018 IECC with amendments 2018 IECC
Virginia 2015 IECC with amendments 2009 IECC
Washington 2018 Washington State Energy Code 2018 IECC
West Virginia 2009 IECC 2009 IECC
Wisconsin 2009 IECC with amendments 2009 IECC
Wyoming Home rule No statewide code

*A review of the codes in place in jurisdictions across the state indicates that 86% (Hawaii) and 82% (Arizona) of the population is covered by codes at this level.

AVAILABLE DATA

The residential state-level results behind the adoption status maps are available.