Solar Energy Technologies Offer Diverse Applications for U.S. Power Generation and Heating
Solar energy, a renewable resource derived from the sun's radiation, is harnessed through various technologies to produce electricity or heat. Photovoltaic (PV) solar energy directly converts sunlight into electricity using solar cells, which generate direct current (DC) that is then converted to alternating current (AC) for use in homes and businesses. PV systems are scalable and can be installed on residential rooftops, commercial buildings, and large ground-mounted plants. Solar thermal energy, conversely, uses sunlight to produce heat, commonly for water heating and space heating in residential and commercial settings. Concentrated solar power (CSP) systems employ mirrors to focus sunlight, generating heat to produce electricity, primarily in large, utility-scale plants in areas with consistent sunlight. CSP designs include parabolic troughs, power towers, and dish systems, with some incorporating thermal storage like molten salt to generate electricity even without direct sunlight. Additionally, passi...