Like some renewable energy is a term that refers to energy sources that are naturally replenished and can be used over and over again. One example of this type of energy is SOLAR, which is a five-letter word that can be used to solve the crossword puzzle. SOLAR energy is generated by harnessing the power of the sun's rays and converting it into electricity or heat. It is a clean, renewable source of energy that can be used to power homes, businesses, and other facilities.