Recent News

• 10.14.2025 - ESS Announces Closing of $40 Million Financing Transaction
• 10.09.2025 - SRP and ESS Announce New 50 MWh Long Duration Energy Storage Pilot Project

Recent Filings

• 10.14.2025 - EX-99.1 EX-99.1
• 10.14.2025 - 8-K Current report
• 10.14.2025 - 424B2 Prospectus [Rule 424(b)(2)]
• 10.14.2025 - 8-K Current report
• 10.10.2025 - 424B2 Prospectus [Rule 424(b)(2)]
• 10.09.2025 - 424B2 Prospectus [Rule 424(b)(2)]
• 10.07.2025 - 424B2 Prospectus [Rule 424(b)(2)]
• 10.07.2025 - DEFA14A Additional definitive proxy soliciting materials and Rule 14(a)(12) material
• 09.30.2025 - 424B2 Prospectus [Rule 424(b)(2)]
• 09.25.2025 - 144 Report of proposed sale of securities