The average annual solar radiation value for Graaff-Reinet Eastern Cape over the past 30 years is 230044 kJ m-2 day-1 (Kilojoules per square meters every day).
In city of Graaff-Reinet Eastern Cape, the solar energy in January is 26583 kJ m-2 day-1; The solar energy in February is 23794 kJ m-2 day-1; The solar energy in March is 19936 kJ m-2 day-1; The solar energy in April is 15935 kJ m-2 day-1; The solar energy in May is 12462 kJ m-2 day-1; The solar energy in June is 11145 kJ m-2 day-1; The solar energy in July is 11882 kJ m-2 day-1; The solar energy in August is 14891 kJ m-2 day-1; The solar energy in September is 18597 kJ m-2 day-1; The solar energy in October is 22230 kJ m-2 day-1; The solar energy in November is 25414 kJ m-2 day-1; The solar energy in December is 27175 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.