Tesla, Inc. is an American electric vehicle and clean energy company based in Palo Alto, California. Tesla's current products include electric cars, battery energy storage from home to grid scale, solar panels and solar roof tiles, as well as other related products and services. Tesla is ranked as the world's best-selling plug-in and battery electric passenger car manufacturer, with a market share of 16% of the plug-in segment and 23% of the battery electric segment 2020 sales. Through its subsidiary SolarCity, Tesla develops and is a major installer of solar photovoltaic systems in the United States. Tesla is also one of the largest global suppliers of battery energy storage systems, with 3 GWh of battery storage supplied in 2020, and has installed some of the largest battery storage plants in the world.