TessLtd. 

Tess Holdings Co.,Ltd. operates within the engineering and energy supply industries. The company is engaged in the entire process of project development, from engineering and procurement to the construction of facilities focused on energy efficiency and sustainable power generation. Its services also include the ongoing operation and maintenance of renewable energy power plants, the retail distribution of electricity, and the provision of energy management, remote monitoring, and fuel supply solutions. Furthermore, Tess Holdings offers advanced energy resource aggregation services, assisting general power transmission and distribution operators, electricity retailers, and end-consumers with supply-demand optimization, imbalance mitigation, cost reduction, and managing issues related to output suppression. By February 28, 2021, the firm's total installed capacity had reached approximately 200 megawatts. Originally incorporated in 2009 as Tess Techno Service Co., Ltd., the company adopted its current name, Tess Holdings Co., Ltd., in April 2018. Its corporate headquarters are located in Osaka, Japan.