HH2E AG announced that it has entered into definitive agreements to receive €12 million in a round of funding on May 16, 2022. The transaction included participation from new investors, HydrogenOne Capital Growth plc for €6 million and Foresight Group LLP for €6 million. The investors will hold minority equity stake in the company.

As part of the transaction, representatives from HydrogenOne Capital Growth plc and Foresight Group LLP has joined the company's board of directors.