ROOFTOP SOLAR CALCULATOR
NREL's PVWatts® Calculator estimates the energy production and cost of energy of grid-connected photovoltaic (PV) energy systems throughout the world.
This tool also allows homeowners, small building owners, installers and manufacturers to easily develop estimates of the performance of potential PV installations in different jurisdictions and locations within Vietnam.
(NEW! Data for 19 locations in Vietnam has updated to NREL's PVWatts® Calculator including: Ha Noi, Da Nang, HCMC, Thanh Hoa, Ha Tinh, Khanh Hoa, Phu Yen, Dak Lak, Dak Nong, Gia Lai, Binh Dinh, Binh Thuan, Ninh Thuan, Tay Ninh, Long An, An Giang, Binh Phuoc, Ba Ria Vung Tau, Tra Vinh)