Solar energy is a long lasting source of energy, and it can (1)________almost anywhere. To generate solar energy, we only need solar cells and (2)________! Solar cells can easily be installed on house (3)________, so we don’t need any new space. Compared to other renewable sources, they also possess many advantages: wind and water power rely on turbines which (4)________noisy, expensive and which take up large space. Solar cells are totally silent and (5)________. As they have no moving parts, they require little maintenance and have a long lifetime.