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N. Mariana Islands - Building Energy 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 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

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N. Mariana Islands - Net Metering

The Commonwealth Utility Corporation (CUC), the only public utility in the N. Marianas, is required to offer net metering to its commercial and residential retail electricity customers for renewable energy systems up to 10 megawatts (MW). Net metering was recently prioritized for the public health and education sectors through Public Law 18 - 75.

Renewables include: electrical energy produced by wind, solar energy, hydro power, landfill gas, waste to energy, geothermal resources, ocean thermal energy conversion, ocean wave or current energy, biomass, including municipal solid waste, bio fuels, or fuels derived from organic sources (other than coal, oil or gas)
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N. Mariana Islands - Renewables Portfolio Standard


The Commonwealth of the Northern Mariana Islands enacted its Renewables Portfolio Standard in September 2007, in which a certain percentage of its net electricity sales must come from renewable energy. The law was amended in 2014 to a lower target, as previous targets were not met. Under the law, the Commonwealth Utilities Corporation (CUC), the Islands' only and semi-autonomous public utility provider, must establish a renewable portfolio standard of:

  • 20% of net electricity sales on or before December 31, 2016

There are stipulations within the law that allow for non-compliance if there is no "cost-effective" way to meet the

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