Solar Power International is North America’s largest, most comprehensive solar power conference and exposition. The first of its kind in North America, SPI is the premier business-to-business event designed to serve and advance the solar energy industry and related fields. Interact with more than 21,000 professionals representing 125+ countries. Visit with more than 1,200 exhibiting companies in the solar value chain showcasing residential, commercial and industrial solutions as well as business services. Companies with a reputation to establish or maintain in the solar industry know SPI is the must attend event of the year.