With the growing scale of PV power plants, the capacities of PV grid-connected inverters keep growing with the same pace. Sungrow has more than 10 years working experience in research, development, production and sales of PV grid-connected inverters and it has launched a series of power plant inverters specially-made for medium & large scale of PV power plants which rated at 100kW, 250kW, 500kW and 1MW. Sungrow's power plant inverters have transformer and transformerless type to meeting different needs from different customers and helping them to simply system design.