He says Australia has the widest application of rainwater tanks in the world, especially in urban areas, encouraged by government rebates. White says gravity is a useful way to deliver rainwater to taps, but it is not always feasible in … They calculated the “energy intensity” of household rainwater systems, which is the amount of energy used to get each kilolitre of water to the tap. They found in most cases pumping water from rainwater tanks is more energy intensive …

Leave a Reply