Hiromi Tezuka

Part of gremz, Inc., gremz premium water, Inc. is a Japanese company that retails mineral water. The private company is based in Tokyo, Japan.

Part of gremz, Inc., gremzsolar, Inc. sells solar power to those who have expired the purchase period of solar surplus power. The private company is based in Tokyo, Japan. The Japanese company offers the "fixed-price purchase system for renewable energy (FIT)" which was launched for home solar power systems in 2009 and will be purchased from 2019. Solar power generates electricity by solar power alone and is an environmentally friendly clean energy. It is also effective for reducing utility bills and preparing for catastrophes. The company provides information on their website about their solar power generation system and offers application assistance.