There are now 262 gigawatts direct-current of solar capacity installed nationwide, enough to power 45 million homes. In the last decade, solar deployments have experienced an average annual growth rate of 28%. . In 2024, utility-scale solar power generated 219. 8 terawatt-hours (TWh) in the United States. Total solar generation that year, including estimated small-scale photovoltaic generation, was 303. [2] As of the end of 2024, the United States had 239 gigawatts (GW) of installed photovoltaic. . Most electricity is generated with steam turbines that use fossil fuels, nuclear, biomass, geothermal, or solar thermal energy. Energy Information. . 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. . Along with our partners at Wood Mackenzie Power & Renewables, SEIA tracks trends and trajectories in the solar industry that demonstrate the diverse and sustained growth of solar across the country. Below you will find charts and information summarizing the state of solar in the U. If you're. . Utility-scale solar posts record growth in 2024; projected to supply most of the nation's increase in electricity generation in 2025 and 2026 The Energy Information Administration (EIA) reported that, in 2024, the United States added a record 30 gigawatts (GW) of utility-scale solar to the grid. . Utility-scale solar generation grew to 232 TWh in the rolling 12 months through March 2025, according to the latest data from the Energy Information Administration. Solar continues to dominate new electricity generation capacity added to the grid in the United States, according to the Energy. .