Energy Transition Special Opportunities (ticker: ETSS) is a special purpose acquisition company targeting the energy transition sector, with a stated focus on businesses operating across clean energy generation, power infrastructure, and decarbonization technologies. The vehicle filed an amended S-1 registration statement with the SEC on May 14, 2026, placing it in the pre-IPO registration phase as of that date. The sponsor entity has not been separately identified in the publicly available filing data. ETSS is among a cohort of blank-check companies seeking to deploy capital into the accelerating global shift away from carbon-intensive energy systems. Sign up at SpacDesk for complete filing history, sponsor details, and real-time analytics on ETSS and the broader SPAC market.