The average annual solar radiation value for Heilbron Free State over the past 30 years is 237514 kJ m-2 day-1 (Kilojoules per square meters every day).
In city of Heilbron Free State, the solar energy in January is 24111 kJ m-2 day-1; The solar energy in February is 22739 kJ m-2 day-1; The solar energy in March is 19895 kJ m-2 day-1; The solar energy in April is 17322 kJ m-2 day-1; The solar energy in May is 14910 kJ m-2 day-1; The solar energy in June is 13529 kJ m-2 day-1; The solar energy in July is 14220 kJ m-2 day-1; The solar energy in August is 17413 kJ m-2 day-1; The solar energy in September is 20543 kJ m-2 day-1; The solar energy in October is 22803 kJ m-2 day-1; The solar energy in November is 24586 kJ m-2 day-1; The solar energy in December is 25443 kJ m-2 day-1.
Solar irradiance is the power per unit area (surface power density) received from the Sun in the form of electromagnetic radiation in the wavelength range of the measuring instrument. Solar radiation can be captured and turned into useful forms of energy, such as heat and electricity, using a variety of technologies.
Address: Heilbron, Free State, South Africa.