Thai firm B.Grimm Power has brought into commercial operation two huge solar PV projects in Vietnam, including a 420MW plant in Tay Ninh Province and 257MW installation in Phu Yen Province. The 420MW installation was spread across two plants, Dau Tieng 1 and Dau Tieng 2, which came online to supply electricity to the national utility EVN on 3 June and 13 June respectively. The company, through its subsidiary, B.Grimm Renewable Power 1 Limited, holds a 55% share in Dau Tieng Tay Ninh Energy Joint Stock Company, which developed the plants. The 257MW project has been supplying power since 10 June to EVN. In this case, through its subsidiary, B.Grimm Renewable Power 2 Limited, B.Grimm holds an 80% share in Phu Yen TTP Joint Stock Company which develope the project.