 SolarCity entered the electric car charging business by buying the SolSource Energy business of Clean Fuel Connections, Inc., in 2009.SolarCity announced in 2011 a partnership with Rabobank to make electric car charging available for free to owners of Tesla Roadster cars traveling on U.S. Route 101 in California between San Francisco and Los Angeles.In 2012, Tesla independently started deploying their Supercharger stations in the United States, and , they operate 16,103 Superchargers in 1,826 stations worldwide.