Solutions;
Business;
Management;
Division,;
Hitachi;
Ltd.,;
Tokyo;
101-8608,;
Japan;
Energy;
Business;
Division,;
Toko;
Electrical;
Construction;
Co.;
Ltd.,;
Tokyo;
100-0005,;
Japan;
Engineering;
Management;
Division,;
Kumagai;
Gumi;
Co.;
Ltd.,;
Tokyo;
162-8557,;
Japan;
Power;
Ibaraki;
Co.;
Ltd.,;
Ibaraki;
314-0111,;
Japan;