SAN DIEGO & PORTLAND, Maine–(BUSINESS WIRE)–Intersolar & Energy Storage North America (IESNA), the premier tradeshow and conference series for solar + storage professionals, kicked off its 2025 event series with its flagship conference and expo last week in San Diego, California. This year’s event brought together nearly 500 exhibitors and more than 9,000 visitors. “Reflecting on the learning, networking, and dealmaking I witnessed at IESNA last week, I’m encouraged,” said Wes Doane, Vice