RE+ (formerly SPI, ESI and Smart Energy Week) is more than just the largest clean energy event, it’s a catalyst for industry innovation designed to supercharge business growth in the clean energy economy, developed by the nation’s leading solar energy organizations, the Smart Electric Power Alliance (SEPA) and the Solar Energy Industries Association (SEIA). RE+ Events (formerly Solar Power Events) is a series of events bringing clean energy leaders together to expand business prospects, share best practices, and identify ways to advance the industry. We are dedicated to bringing the best minds and technologies together to transform the biggest energy, environmental, and economic challenges into opportunities that will ensure a prosperous, clean, and productive future.