Kurimajima, Miyako City, Japan

Kurimajima, Miyako City, Japan

  • Target: 100% renewable energy
  • Status: In progress
  • RES: Solar photovoltaics
  • Implementation: Kurimajima is a remote Japanese island, part of the Miyakojima Islands and municipality in the South of Okinawa prefecture. The island's only connection to the main island of Miyakojima is a 1,690-meter long bridge and is named after Kurima Island. The Miyakojima Islands are well known in Japan for their tropical landscape and turquoise blue sea. Today they are known as the energy transition pioneers in using small and autonomous energy systems. The 100% renewable energy target originated from the need to preserve local groundwater and ecosystem. The island has a rich and unique marine ecosystem and is one of the most popular islands in Japan for tourism. In 2008, its focus on protecting the environment was outlined in the Eco-Island Miyakojima Declaration. It defined clear goals to cut carbon emissions levels in the island: 40 percent in 2030 compared to 2003 carbon emissions, and 70 percent in 2050.  To achieve this, energy for heating, transport and electricity would come from renewable sources. To date, the island has installed many small-scale power systems, such as photovoltaic panel on houses or local businesses buildings. Solar power generation accounts for 380 kW and storage batteries for 100kW-176kW. A management system of the supply and demand has been tested since 2011  in collaboration with the company Toshiba. The involvement of the municipality and the knowledge of private stakeholders’ have helped build smart-community grids. These systems are working to stabilise energy supply on the remote island.
  • Population: 200
  • Area: 2,84 km²
  • Link: https://www.nedo.go.jp/content/100788811.pdf
Kurimajima, Miyako City, Japan

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