Tamagawa Holdings Co Ltd announced May 15, 2014, that it has signed a lease contract with Ricoh Leasing Co Ltd (Koto Ward, Tokyo) for a set of power generation facilities at a mega (large-scale) solar power plant with an output capacity of about 2MW.Tamagawa Holdings Co Ltd announced May 15, 2014, that it has signed a lease contract with Ricoh Leasing Co Ltd (Koto Ward, Tokyo) for a set of power generation facilities at a mega (large-scale) solar power plant with an output capacity of about 2MW.