Pathway to a Zero Carbon City: Island of Energy, Goto City, Japan

In Japan, over 460 municipalities, so-called “Zero Carbon Cities” along with the national government have committed to reduce carbon dioxide emissions to net zero by 2050. It aims to create ”domino effect”, in which the best performing Zero Carbon Cities knock down other municipalities to turn the whole country to be carbon neutral. Goto City, a Zero Carbon City in Nagasaki Prefecture could be one of the initiators of domino effect.


Goto City, a remote island municipality in Kyushu region, southwest of Japan, has been advancing its vision of “Island of Energy” by increasing its renewable energy supply ratio over electricity demand in the city to 56% (as of 2020), which is outstanding achievement where the national average renewable supply ratio is about 20%.


Goto City has been a pioneering site of the floating offshore wind power generation and a notable case of fruitful multi-stakeholder cooperation including fishery. The city has created unique stakeholders engagement systems, involving local community to maximize benefits for the local area.