| Non-Executive Director Retirement | 06:00:02 | 11 May 2023 | |
| Director/PDMR Shareholding | 08:25:53 | 2 May 2023 | |
| Notice of Investor Presentation | 06:00:09 | 28 Apr 2023 | |
| Grant of Options | 06:00:09 | 28 Apr 2023 | |
| Annual General Meeting Results | 06:00:06 | 28 Apr 2023 | |
| Block Listing Return | 14:58:25 | 25 Apr 2023 | |
| Annual Financial Report | 17:03:57 | 21 Apr 2023 | |
| ACCIONA Orders First 50kVA H-Power Generator | 06:00:05 | 19 Apr 2023 | |
| Notice of AGM | 06:00:06 | 4 Apr 2023 | |
| ABB E-mobility Follow On Investment | 06:05:01 | 29 Mar 2023 | |
| ABB Milestone Validation | 06:00:05 | 29 Mar 2023 | |
| “Ammonia to Hydrogen” Cracker Technology Launch | 07:00:04 | 23 Mar 2023 | |
| H-Power Tower Deployment Update | 07:00:04 | 9 Mar 2023 | |
| Appointment of New Business Development Manager | 07:00:06 | 7 Mar 2023 | |
| Second Price Monitoring Extn | 16:40:38 | 17 Jan 2023 | |
| Price Monitoring Extension | 16:35:26 | 17 Jan 2023 | |
| Peter Dixon Clarke Appointment | 07:00:06 | 1 Dec 2022 | |
| HS2 Fuel Cell Tower | 11:49:39 | 23 Nov 2022 | |
| Methanol Fuel Tower Field Trial | 07:00:06 | 7 Nov 2022 | |
| ACCIONA Power Tower Deployment | 06:00:14 | 3 Oct 2022 |