The Rocky Mountain Institute observed that "no other countries with building stock volume similar to China’s had released a similar national standard". In 2016 China implemented a Standard for Energy Consumption of Residential Buildings, a critical step to guide property developers and owners. The Ragged Island microgrid has been viewed as a proven standard model for rapid development of similar facilities worldwide. The microgrid has a solar capacity of 402 kWp. The project includes design, procurement, installation and a year’s operation of a solar-battery microgrid coupled with the existing diesel plant. The microgrid construction was undertaken by Tugliq Energy and its construction partner Salt Energy. This microgrid offers protection from natural disasters and fuel price changes. After the passage of hurricane Irma, the Bahamas Power and Light Company ( BPL) developed a project to implement a Ragged Island microgrid that includes renewable energy. Ragged Island's electricity was originally provided using diesel generators. Ragged Island is an out island in The Bahamas archipelago. By 2018 utilities were seeking a closer relationship with homeowners whose home storage batteries could help balance grid load and thus reduce the need for new conventional power plants. Sellers of home storage batteries partnered with public utilities. In 2016 Greentech Media reported that Australian utilities were starting to offer home battery upgrades as a way to participate in a growing home battery storage market. Various public utilities, related organizations and governments have started or considered programs offering home energy upgrades from public utilities. Home solar panels: a renewable energy upgrade Current programs
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