RE+

It began as Solar Power International and now covers solar, energy storage, hydrogen, microgrids, EV charging and infrastructure, and wind, with exhibits, education sessions and networking that connect buyers and suppliers. RE+ Events is jointly owned by the Solar Energy Industries Association and the Smart Electric Power Alliance. Proceeds from the events fund the two non-profits' research, education and advocacy work.

RE+ Events operates as Solar Energy Trade Shows and is based in Alexandria, Virginia. The flagship show moves to the Las Vegas Convention Center for 2026 through 2028, with RE+ 26 set for November 16 to 19, 2026.