How much electricity in kilowatt hour can a hot water volume 1000 cubic meters or 1000000 liter produce at a store temperature of 90 degree centigrade ?
Saving solar power in form of hot water (Lagging of the container) and later converting it to steam for use at night seems better and cheaper option for residential purpose than the use of batteries as power bank in places like Africa that the Sun come with a lot of heat. Although many people...