NET Power Inc. (RONI) is a clean energy technology company that completed its business combination with Rice Acquisition Corp. II in June 2023, converting the blank-check vehicle into a publicly traded operating entity. Rice Acquisition Corp. II, sponsored by Rice Acquisition Holdings II LLC and affiliated with the Rice family's energy investment group, priced its IPO on the Nasdaq in 2021, targeting the energy transition sector. NET Power develops the Allam-Fetvedt Cycle, a natural gas power generation process engineered to capture all carbon dioxide produced during combustion, producing zero atmospheric emissions. The company filed an 8-K with the SEC on June 6, 2025. Sign up at SpacDesk for full filings, sponsor data, and deal analytics.