⚡ Nino Observer 📌 battery OR energy storage Mercom: Energy storage companies raise $2.3 billion in Q1 2026 - ESS News 📰 ESS News · 📅 May 12, 2026, 12:16 PM · 🌐 ess-news.com Mercom: Energy storage companies raise $2.3 billion in Q1 2026 ESS News Read full article →