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Solar PPAs booming in Japan – pv magazine International

Japanese electrical equipment supplier and industrial conglomerate Sumitomo Corporation partners with Japanese utility Electric Power of Shikoku and Sunseap, a Singapore-based solar developer, on developing solar power projects under power purchase agreements in Japan.

Through the Sun Trinity LLC joint venture, the three companies will seek to bring solar power to large electricity consumers through four different types of bilateral agreements.

One of the three options proposed by the consortium is an on-premises PPA, whereby electricity is sold to consumers through facilities operated by Sun Trinity and located on rooftops and other locations on consumer premises. electricity. The second option is an off-site PPA, whereby the joint venture sells electricity to the buyer through solar power plants located outside the consumer’s premises and feeding their electricity into the grid.

The third option is a commercial Virtual Power Plant (VPP) module, through which distributed solar power and storage resources are managed virtually to provide power grid services. The latest and final offering is an energy service company (ESCO) model, through which the joint venture provides energy services to end users, including installation of a photovoltaic system, deployment of energy efficiency equipment energy and the renovation of buildings.

“The company can utilize Sumitomo Corporation’s and Shikoku Electric’s long-accumulated expertise in the electric power industry and a range of related business infrastructure built over the years in Japan by the companies, while utilizing the Sunseap’s world-class engineering and associated equipment procurement capability. equipment for solar power generation,” Sumitomo said in a press release.

Under current regulations in Japan, corporate PPAs must be concluded involving electric utilities, except for on-site PPAs. Both physical and virtual PPAs are allowed. In a physical PPA, electricity purchasers pay a fixed fee to generators through retailers, including sleeving and management fees.

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