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Main Activities

Projects in operation

Business Case - Kumagaya 1 & 2 - 3.5MW


The projects were inaugurated on April 2017 by Hergo Japan, a company of Infrastrutture Group.



Business Case - Chichibu 1.0 MW


  • Hergo Sun Japan K.K has been the first non-Japanese company to be awarded a public tender.
  • In November 2015 started the construction of the plant.
  • The construction was carried out by KCCS a division of Kyocera group on the basis of a turnkey EPC contract.
  • The PV Plant entered into operation on February 27th 2016.
  • The O&M activities will be performed by the Japanese DJKSS, a joint venture of Infrastrutture Group.
Available surface

2.1 ha


40 ¥/kWh

Production * June 2016





Business Case - Yachimata 1 & 2 - 3.9MW


The projects were developed in 2015 by Hergo Japan, a company of Infrastrutture Group.



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