Epiroc 337.9kWP Solar Array Expansion Expanded the solar grid to 337.9kWP Solar Array About the solar powered system Type: Grid tie supplementary system System size: 337.9 kWP No. of panels: 620 Inverters: 3 x Huawei 100kW Epiroc 337.9kWP Epiroc 337.9kWP