| 18.09.2025 11:36 | AEO, MAI, JNEO | EARNINGS AND TRADING: Begbies in "good start"; Supreme hails momentum | Alliance |
| 18.09.2025 07:00 | PHE | Feedstock Testing Unit update | RNS |
| 16.09.2025 13:52 | BTRW, PHE, SPR | EARNINGS: Headlam loss widens, tinyBuild swings to interim profit | Alliance |
| 16.09.2025 07:00 | PHE | Half Year Report for 6 months ended 30 June 2025 | RNS |
| 01.09.2025 07:00 | PHE | Publication of Research Report | Reach |
| 31.07.2025 12:36 | PHE | Director’s Dealing | RNS |
| 11.07.2025 22:05 | PHE, SRT, CSSG | EARNINGS AND TRADING: Mast Energy Developments completes fundraise | Alliance |
| 10.07.2025 14:12 | PHE | Result of AGM | RNS |
| 10.07.2025 07:00 | PHE | AGM Update | RNS |
| 03.07.2025 18:02 | PHE | Powerhouse Energy signs hydrogen offtake deal for NI fuel cell project | Alliance |
| 03.07.2025 07:00 | PHE | Letter of Intent – Hydrogen offtake, Ballymena, NI | Reach |
| 30.06.2025 07:00 | PHE | Completion of FEED for NH2 | RNS |
| 10.06.2025 15:48 | SCE, BPM, ASIA | EARNINGS AND TRADING: Vianet profit rises; Newbury Racing on track | Alliance |
| 10.06.2025 07:00 | PHE | Audited Results for Year Ended 31 December 2024 | RNS |
| 29.05.2025 14:36 | PHE | New Website | Reach |
| 22.05.2025 22:51 | VEL, GLV, PHE | TRADING UPDATES: Poolbeg upsizes offer; Glenveagh backs outlook | Alliance |
| 22.05.2025 07:00 | PHE | Further Patent Grants | Reach |
| 20.05.2025 22:01 | POLB, PHE, GEO | TRADING UPDATES: Poolbeg upsizes fundraise amid strong investor demand | Alliance |
| 20.05.2025 08:52 | PHE | Engsolve Trading update | RNS |
| 25.04.2025 14:31 | PHE | Director’s Dealing | RNS |
| 20.03.2025 07:00 | PHE | Result of Retail Offering and TVR | RNS |
| 14.03.2025 18:33 | PHE | IN BRIEF: Powerhouse Energy raises funds to accelerate R&D spend | Alliance |
| 14.03.2025 17:15 | PHE | Retail Offer | RNS |
| 14.03.2025 17:15 | PHE | £1.25m Placing, Options Grant, Retail Offer & TVR | RNS |
| 04.03.2025 07:00 | PHE | Capital Markets Day Presentation | RNS |
| 10.02.2025 07:00 | PHE | Notice of Capital Markets Day | Reach |
| 20.01.2025 16:03 | GST, PHE, IIG | TRADING UPDATES: Enteq in formal sale process; Powerhouse partners up | Alliance |
| 20.01.2025 07:00 | PHE | Proposed collaboration agreement with Avioxx | Reach |
| 16.12.2024 10:21 | PHE, QED | AIM WINNERS & LOSERS: XLMedia plans GBP16 million tender offer | Alliance |
| 16.12.2024 07:00 | PHE | Technical Centre Update – Mechanical Completion | RNS |
| 18.11.2024 16:19 | PHE | Powerhouse Energy wins contract with National Hydrogen in Australia | Alliance |
| 11.11.2024 07:00 | PHE | Japanese Patent Grant Confirmed | RNS |
| 25.10.2024 16:13 | PHE | Award of share options | RNS |
| 15.10.2024 11:56 | PHE | Powerhouse Energy granted European patent for waste treatment | Alliance |
| 15.10.2024 07:00 | PHE | European Patent Grant Confirmed | RNS |
| 01.10.2024 14:26 | ZIOC, PHE, KEFI | EARNINGS: Hydrogen Utopia says outlook very positive as loss narrows | Alliance |
| 01.10.2024 07:00 | PHE | Update on Technical Centre | Reach |
| 30.09.2024 07:00 | PHE | Director’s Dealing | RNS |
| 19.09.2024 07:00 | PHE | Half Year Report for six months ended 30 June 2024 | RNS |
| 14.08.2024 20:04 | BKS, ZPHR, TOM | TRADING UPDATES: Zephyr Energy second quarter production climbs 6% | Alliance |
| 14.08.2024 07:00 | PHE | Technical Centre Update | Reach |
| 07.08.2024 07:00 | PHE | Appointment of Broker | RNS |
