It can support household savings, energy independence, economic opportunities, grid reliability, resilience, security and affordability, and a safer planet. Solar energy creates household savings. Solar owners can reduce their energy bills with savings that will accrue for the. . There are two main types of solar energy technologies—photovoltaics (PV) and concentrating solar-thermal power (CSP). On this page you'll find resources to learn what solar energy is; how you, your business, or your community can go solar; and find resources for every step of the way. It also. . Solar energy is the radiation from the Sun capable of producing heat, causing chemical reactions, or generating electricity. The total amount of solar energy received on Earth is vastly more than the world's current and anticipated energy requirements. This shows just how much you could benefit from installing a solar energy system. It might seem unbelievable until you try it yourself.