MidAmerican Energy offers a variety of incentives for residential customers to improve the energy efficiency of eligible homes. The program links below provide information on specific rebate amounts, efficiency, further details and requirements. After installing qualifying equipment, customers should submit a completed Equipment Rebate Application and a detailed invoice to MidAmerican. Heating and cooling dealers have a supply of Equipment Rebate Applications and will participate with customers. Applications must be postmarked by stated date in order to receive rebates.

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 web sites.

Building codes for the Commonwealth of the Northern Mariana Islands (CNMI) are adopted by the legislature and enforced by the Building Safety Code Division in the Department of Public Works. The 1991 Uniform Building Code, including Chapter 53 (for commercial and all multifamily buildings), and the 1989 Council of American Building Officials (CABO) One- and Two-Family Dwelling

JEA is offering rebates for home energy efficiency improvements. LED rebates are deducted immediately at the point of sale. Interested customers can find a list of participating retailers on the program web site

For more information on all programs and incentives, visit the utility's web site.

Xcel Energy residential natural gas customers in Colorado can qualify for cash incentives on a variety of energy efficient products. Standard rebates are available for furnaces, boilers, water heaters, insulation, and air sealing that meet the program requirements. Rebate program expiration dates may vary depending on the technology. Consult the program website for details.

Senate Bill 1 of 2006, which established the statewide California Solar Initiative, also required the California Energy Commission (CEC) to implement regulations that require sellers of production homes to offer a solar energy system option to all prospective homebuyers. Besides offering solar as an option to prospective homebuyers, sellers of homes constructed on land for which an application for a tentative subdivision map has been deemed complete on or after January 1, 2011, must disclose to the prospective homebuyer the total installed cost of the solar option, the estimated cost savings associated with the solar energy system option, information

The City of Aspen encourages interested residents and businesses to increase the energy efficiency of homes and offices through rebates and incentives for single-family, multi-family, and commercial buildings. Rebates are available for heat pumps, solar photovoltaics, air sealing, insulation, heat pump water heaters, lighting, refrigerators, clothes dryers, and induction stoves. Custom rebates are available for incentives not specifically offered by the utility, but require pre-approval. The program also provides bonus rebates for certain eligible groups. More information on 2023 rebates can be found here.

Lower Valley Energy offers a variety rebates for residential customers who wish to increase the energy efficiency of eligible homes. Rebates are also available for commercial lighting measures and vary based on kWh savings. Visit the program website for more information.

In April 2009, Los Angeles enacted Ordinance 180636, known as the Green Building Retrofit Ordinance. This ordinance was later amended by Ordinance 182259. The law requires all city-owned buildings that are either more than 7,500 square feet or built before 1978 to be retrofitted. The goal of the retrofits will be to achieve LEED for Existing Buildings Silver certification or higher. This requirement is subject to the availability of state or federal funds. The Ordinance requires that at least half of the buildings retrofitted are located in high-poverty and high-unemployment areas, and that, to the extent feasible, all construction

Four rural utility cooperatives in Eastern Kentucky (Big Sandy RECC, Fleming-Mason RECC, Grayson RECC, and Jackson Energy) work with MACED to provide energy retrofits as part of utility service under the KY Energy Retrofit Rider. The program, How$martKY, addresses a barrier that households and small businesses face when making an up-front investment in energy efficiency improvements such as insulation, air-sealing and HVAC upgrades.

Rather than paying for energy conservation measures up-frot, How$martKY allows customers to make installment payments as part of their monthly utility bills, gradually paying for the efficiency upgrades by using part of the energy savings generated by

New York City passed Resolution 1121 in August 2005 (effective December 1, 2005) to exempt residential solar energy systems equipment and services from sales tax. As a city with a population of 1 million or more, New York City had to pass this resolution in order to offer the same exemption as the state.