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Japan · asset class
Interconnectors in Japan
Japan has 6 interconnectors mapped on the OverWatts open energy atlas — the 23rd-largest fleet of the 104 countries that hold any, and 0.9% of the world's mapped total. Of these, 4 operating and 2 under construction or proposed. The largest is Japan (CE) – Japan (KY) interconnection (2.8 GW).
2 are in the pipeline, led by Japan (CE) – Japan (TO) interconnection (planned) (900 MW), proposed.
6
Interconnector in Japan
#23
of 104 countries
2
In construction / proposed
On the interactive map
Largest interconnectors in Japan
- Japan (CE) – Japan (KY) interconnection2.8 GW
- Japan (CE) – Japan (SH) interconnection2.6 GW
- Japan (CE) – Japan (TO) interconnection2.1 GW
- Japan (HO) – Japan (TO) interconnection900 MW
- Japan (CE) – Japan (TO) interconnection (planned)900 MW · 2028 · proposed
- Japan (HO) – Japan (TO) interconnection (planned)300 MW · 2028 · proposed
Under construction & proposed
- Japan (CE) – Japan (TO) interconnection (planned)900 MW · 2028 · proposed
- Japan (HO) – Japan (TO) interconnection (planned)300 MW · 2028 · proposed
How Japan compares · interconnectors by country
Frequently asked
- How many interconnectors are there in Japan?
- OverWatts maps 6 interconnectors in Japan — 0.9% of the world's mapped total, the 23rd-largest national fleet of the 104 countries with any.
- What is the largest interconnector in Japan?
- Japan (CE) – Japan (KY) interconnection, at 2.8 GW.
- What new interconnectors are being built in Japan?
- 2 projects are under construction or proposed. The largest are Japan (CE) – Japan (TO) interconnection (planned) (900 MW) and Japan (HO) – Japan (TO) interconnection (planned) (300 MW).