Country, Island



  • Target: Cover all electricity demand by 100% renewable sources by 2020.
  • Status: In progress - To date, 15.4% electricity generation is from renewable energy.
  • RES: 30-MW wind park, and waste-to-energy project generating electricity through biogas.
  • Implementation: The Caribbean island of Aruba ...

Bonaire, Caribbean Netherlands

  • Target: 100% of renewable energy in the electrical system.
  • Status: In progress
  • RES: Hybrid wind-diesel power plant
  • Implementation: The Caribbean island of Bonaire is located 80km north of the Venezuelan coast. Its energy transition began in 2004 after the ...
Bozcaada, Turkey

Bozcaada, Turkey

  • Target: 100% renewable electricity
  • Status: Achieved
  • RES: 17 turbine wind farm, solar arrays, hydrogen energy.
  • Implementation: Bozcaada is an island of Turkey in the northeastern part of the Aegean Sea. It currently generates more power than it consumes. In ...
Cape Verde

Cape Verde

  • Target: 100% renewable energy by 2020, become a model for zero emissions on a global scale and a knowledge hub for several sub-regions.
  • Status: In progress
  • RES: Windpower
  • Implementation: Cape Verde is an island country spanning an archipelago of ...
Cook Islands

Cook Islands

  • Target: Eliminate carbon emissions by 2020.
  • Status: In progress
  • RES: Solar photovoltaic arrays
  • Implementation: The Cook Islands depend heavily on imported fuels and the cost of electricity based on these fuels is very high. Although nearly all households in the ...
Fortuna, Costa Rica

Costa Rica

  • Target: Achieve 100% RE in the electricity sector and to be ‘carbon neutral’, by 2021.
  • Status: In progress - In 2017, Costa Rica supplies around  93% of its total electricity needs from renewable energy sources, mostly from domestic hydro.
  • RES: Hydropower ...
Copenhagen, Denmark


  • Target: Phase out fossil fuel use entirely in all energy sectors (including transportation) by 2050.
  • Status: In progress - In 2011, the share of renewable energy in the transportation mix was less than 1%, compared to a share of approximately 40% ...
El Hierro, Canary Islands, Spain

El Hierro, Canary Islands

  • Target: To become a self-sustaining island in the face of the global climate crisis and persistently high fossil fuel prices.
  • Status: Achieved
  • RES: Five turbine wind farms and hydro plant supplies 80% of the island’s energy demands, 20% is generated through solar ...


  • Target: Achieve 100% renewable energy share in electricity generation by 2030.
  • Status: In progress
  • RES: Hydropower, biomass, solar, windpower, coconut oil has been used as an alternative to diesel fuel in some rural area projects, and pilot projects using biogas ...
Gotland, Sweden

Gotland, Sweden

  • Target: Climate-neutral energy supply by 2025
  • Status: In progress
  • RES: Wind power
  • Implementation: The Swedish Island of Gotland is committed to having a climate-neutral energy supply by 2025. The objective is to use 100% local, renewable resources to meet all of ...
Waikiki, Hawaii, USA

Hawaii, USA

  • Target: 100% RE by 2045 in the electricity sector, with several interim benchmarks.
  • Status: In progress
  • RES: Solar power and wind power.
  • Implementation: In 2012, Hawaii was importing 93% of the energy it consumed and in 2013, the state ...
Hakodate, Hokkaido, Japan

Hokkaido, Japan

  • Target: 100% energy self-sufficiency by 2050.
  • Status: In progress
  • RES: Wind and biomass energy.
  • Implementation: Hokkaido is the second largest of the four main Japanese islands, and the largest of its 47 prefectures. Hokkaido is recognised as having great potential for renewable ...