Welcome to HGC Website!
We contribute to the bright future through the geothermal energy.
We are doing the following business at the Sumikawa geothermal power plant(Tohoku Electric Power Co).
1. The maintenance of the steam facilities
2. The management of geothermal wells
3. The drilling supervision of geothermal wells
4. The management of geothermal reservoir
5. The environment monitoring
6. The others
Hachimantai Geothermal Corporation (HGC)