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.

The Indiana Residential Building Code is based on the 2003 IRC with state amendments (eff. 9/11/05). This code applies to 1 and 2 family dwellings and townhouses. During the adoption process, certain seismic provisions were weakened, primarily affecting nine southwestern counties. Local jurisdictions may amend to make the code more stringent with state approval only.

The Building Code

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.

The Board of Building Standards is the primary state agency that protects the public's safety by: adopting rules governing the construction, repair, and rehabilitation of buildings in the state; certifying municipal, township, and county building departments to administer the code; and establishing minimum standards for construction materials.

The 2016 Ohio Building Code (OBC), adopted by the Board of

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 BCAP websites.

The Kentucky Building Code (KBC) is updated every three years on a cycle one year behind the publication year for the International Building Code. Any changes to the code by the state of Kentucky are submitted to the Board of Housing for review by the Office of Housing, Buildings, and Construction Division of Building Codes Enforcement. The division is then

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.

The California Building Standards Commission (BSC) is responsible for administering California's building standards adoption, publication, and implementation. Since 1989, the BSC has published triennial editions of the code, commonly referred to as Title 24, in its entirety every three years. On July 17, 2008 the BSC unanimously approved the nation's first statewide voluntary green building code

NOTE: 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.

The New Jersey Uniform Construction Code Act provides that model codes and standards publications shall not be adopted more frequently than once every three years. However, a revision or amendment may be adopted at any time if a commissioner of community affairs finds that imminent danger exists to the public's health, safety or welfare.

On September 3

NOTE: 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.

Pennsylvania Department of Labor and Industry (DLI) has the authority to upgrade commercial and residential energy standards through the regulatory process. The current code, the 2009 UCC, became effective December 31, 2009. On January 2016, Pennsylvania also adopted several residential provisions from the 2015 IECC (see details here). 

Over 90% of Pennsylvania's 2,563 municipalities have

Recent Measures (2020)

On September 23, 2020, Governor Gretchen Whitmer issued Executive Directive 2020-10 which increased the requirements of emissions and energy use reductions in Michigan state-owned buildings. As per this directive, The Department of Technology, Management, and Budget (DTMB) must investigate the cost effectiveness of energy efficiency opportunities when planning or renovating a building owned or operated by the state. DTMB must ensure that:

• All new buildings and facilities owned and operated by the State, and all major renovations of such buildings and facilities, are carbon neutral by 2040; and
• All existing buildings and facilities owned and operated by

2023 Update:

On May 17th, 2023, Governor Wes Moore signed executive order 01.01.2023.07 doubling Maryland's energy conservation goal for state-owned buildings from a 10% decrease by 2029 to a 20% decrease by 2031. The EO also requires the Maryland Green Building Council to update the High-Performance Green Building Program to ensure that all new buildings and major renovations align with the state's goal to achieve net-zero greenhouse gas emissions by 2045.

These standards apply to new buildings or major renovation projects that are:

• Funded solely with State funds and are of 7,500-gross square feet or larger or are community college

NOTE: Senate Bill 936 (Maryland Clean Energy Incentive Act of 2016) extended production tax credit for two years, from December 31, 2015 to December 31, 2018. 

Maryland offers a production tax credit for electricity generated by wind, solar energy, hydropower, hydrokinetic, municipal solid waste and biomass resources. Eligible biomass resources include anaerobic digestion, landfill gas, wastewater-treatment gas, and non-hazardous segregated waste material derived from forest-related resources (excluding old-growth timber and mill residues consisting of sawdust or wood shavings)*, from waste pallets and crates, or from agricultural sources. The list of eligible resources is generally the same as those eligible for

Reading Municipal Light Department (RMLD) offers rebates to residential customers who install Energy efficient equipment in their homes. Additionally, rebates are offered for energy assessments, lawn equipment, and heat pumps. Rebates are subject to change with the availability of funding. Also, renewable energy rebates are available. More information and the rebate application forms may be found on the program website.