SEPTEMBER 20-23. SPI, ESI & Smart Energy Week is the most comprehensive event in North America for the renewable energy industry, including solar, storage, smart energy, wind, hydrogen & fuel cells, geothermal, and EV infrastructure. Anchored by the flagship event, SPI, Smart Energy Week brings together an extensive alliance of renewable energy leaders for multiple days of networking, education, and innovation that moves the industry forward. SPI, ESI & Smart Energy Week, has become the center of integration for the wider energy industry - with Energy Storage International (the largest energy storage event in North America), Smart Energy Marketplace + Microgrid, Hydrogen + Fuel Cells International, EV International, and Wind Energy International.