SEPA brings together some of the biggest and most-active players in the Grid Modernization effort to leave a lasting impact on your energy future. Did you know that SEPA co-hosts the largest trade shows in North America? North America Smart Energy Week is the largest gathering of solar, smart energy, energy storage and hydrogen fuel cell professionals. It is the fastest growing and largest solar show in North America. Energy Storage International (ESI) is now the largest storage event in North America. SEPA Events From webinars and workshops to in-person meetings, conferences and award-winning tradeshows. Be a part of the SEPA influence!