The plant in Awaji, Hyogo prefecture, is scheduled to go online in July 2015. Eurus initially announced the project in early November as a 33.5MW installation.
Neither company has revealed the financial terms of the deal.
Tokyo-based Mitsubishi Electric has been tapped to supply several projects that Eurus has announced this year.
It has delivered modules for an 8.2MW plant set to go on line this month in Osaka, and is supplying panels for a 78.9MW
