First Reserve Sustainable Growth Corp. (Nasdaq: FRSG) is a blank-check company sponsored by First Reserve, a private equity firm with a long track record in energy and energy-related infrastructure investing. The SPAC went public in 2020 and targets opportunities in the energy transition and sustainable growth sector, reflecting First Reserve's pivot toward cleaner energy assets. As of its 10-Q filing dated June 15, 2021, FRSG remained in its search phase, actively evaluating potential business combination targets. The vehicle represents one of the higher-profile energy-focused SPACs to emerge during the 2020–2021 wave of blank-check issuance. Sign up at SpacDesk for full filings, deal timelines, and sponsor data on FRSG and hundreds of other active SPACs.