The average annual solar radiation value for Graaff Reinet Eastern Cape over the past 30 years is 231601 kJ m-2 day-1 (Kilojoules per square meters every day).
In city of Graaff Reinet Eastern Cape, the solar energy in January is 26816 kJ m-2 day-1; The solar energy in February is 23989 kJ m-2 day-1; The solar energy in March is 20044 kJ m-2 day-1; The solar energy in April is 16029 kJ m-2 day-1; The solar energy in May is 12556 kJ m-2 day-1; The solar energy in June is 11161 kJ m-2 day-1; The solar energy in July is 11922 kJ m-2 day-1; The solar energy in August is 14981 kJ m-2 day-1; The solar energy in September is 18726 kJ m-2 day-1; The solar energy in October is 22430 kJ m-2 day-1; The solar energy in November is 25603 kJ m-2 day-1; The solar energy in December is 27344 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: Graaff Reinet, Eastern Cape, South Africa.