| 10.02.2025 07:00 | PHE | Notice of Capital Markets Day | Reach |
| 20.01.2025 16:03 | GST, NTQ, PHE | 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 | XLM, 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 |
| 28.06.2024 07:00 | PHE | Result of AGM | RNS |
| 19.06.2024 14:51 | PHE | Powerhouse Energy shares rise as kiln delivered to technical centre | Alliance |
| 19.06.2024 07:00 | PHE | Delivery of Kiln to Technical Centre | RNS |
| 10.06.2024 14:33 | PHE | IN BRIEF: Powerhouse Energy makes acting Chair Hitchcock permanent | Alliance |
| 10.06.2024 07:00 | PHE | Directorate Update | RNS |
| 07.06.2024 13:21 | PHE | Exercise of Warrants | RNS |
| 06.06.2024 07:00 | PHE | Exercise of Warrants | RNS |
| 03.06.2024 20:49 | PHE, GABI, CAML | EARNINGS AND TRADING: Brookfield mulls cash bid for Tritax EuroBox | Alliance |
| 03.06.2024 07:00 | PHE | Audited Results for Year Ended 31 December 2023 | RNS |
| 22.05.2024 21:05 | IKA, PCIP, POLX | TRADING UPDATES: Powerhouse resolves claim; PCI-PAL wins court case | Alliance |
| 22.05.2024 07:00 | PHE | Resolution of European Patent Challenge | RNS |
| 21.05.2024 12:11 | PHE | Powerhouse shares surge on "significant milestone" patent win | Alliance |
| 21.05.2024 10:55 | WJG, CLX, PHE | AIM WINNERS & LOSERS: Powerhouse Energy hails UK patent win | Alliance |
| 21.05.2024 09:46 | PHE | Granting of GB Patent Application | RNS |
| 16.04.2024 11:57 | PHE | Powerhouse Energy completes manufacturing of feedstock testing unit | Alliance |
| 16.04.2024 07:00 | PHE | Technical Centre Update | RNS |
| 19.03.2024 14:25 | PHE, HUI | Hydrogen Utopia and Powerhouse Energy re-agree to terms of Irish JV | Alliance |
| 18.03.2024 19:06 | QED, PHE, AIRE | EARNINGS AND TRADING: JPMorgan US Smaller optimistic; Burford buyback | Alliance |
| 18.03.2024 07:00 | PHE | Subsidiary Contract | Reach |
| 11.03.2024 12:24 | PHE, HUI | Hydrogen Utopia and Powerhouse Energy agree joint venture in Ireland | Alliance |
| 11.03.2024 07:00 | PHE | Update on Longford Project JV | RNS |
| 23.02.2024 08:59 | RBGP, FCM, ALBA | TRADING UPDATES: Plant Health eyes Mexico Saori launch; NARF wins deal | Alliance |
| 22.02.2024 11:17 | SLP, PRIM, PHE | AIM WINNERS & LOSERS: Primorus touts possible investor return | Alliance |
| 22.02.2024 07:00 | PHE | Framework Agreement with National Hydrogen | RNS |
| 19.02.2024 18:57 | MOS, PHE, CORO | TRADING UPDATES: Coro seals sale terms, Powerhouse makes good progress | Alliance |
| 19.02.2024 12:32 | PHE | Corporate Activity Update | RNS |
| 06.02.2024 19:15 | PHE, LMP, CLA | TRADING UPDATES: Smartspace extends deadline; EDX launches fundraising | Alliance |
| 31.01.2024 07:00 | PHE | Appointment of Nominated & Financial Adviser | RNS |
| 12.12.2023 07:00 | PHE | Director’s Dealing | RNS |
| 11.12.2023 07:00 | PHE | Director’s Dealing | RNS |
| 08.12.2023 11:03 | PHE | Powerhouse Energy appoints acting finance chief on permanent basis | Alliance |
| 08.12.2023 07:00 | PHE | Directorate Update | RNS |
| 27.11.2023 11:49 | PHE | Powerhouse Energy confirms acting CEO Paul Emmitt as permanent | Alliance |
| 27.11.2023 07:00 | PHE | Directorate Update | RNS |
| 15.11.2023 14:15 | PHE | IN BRIEF: Powerhouse Energy chair to resign, hires temporary successor | Alliance |
| 15.11.2023 07:00 | PHE | Directorate Change | RNS |
| 06.11.2023 14:26 | CRTM, TYM, PHE | TRADING UPDATES: Anglo-Eastern output down year-to-date, Bushveld's up | Alliance |
| 06.11.2023 07:00 | PHE | European Patent update | RNS |
| 30.10.2023 12:05 | HUI, PHE | Powerhouse Energy shares fall as defers Ireland joint venture | Alliance |
| 30.10.2023 10:25 | PHE, INSG, KDNC | AIM WINNERS & LOSERS: Neometals falls on vanadium project pull out | Alliance |
| 30.10.2023 07:00 | PHE | Deferral of Commitment to JV with HUI | RNS |
| 06.10.2023 15:51 | PHE | Powerhouse Energy reports setback for Technology Centre plans | Alliance |
| 06.10.2023 14:16 | PHE | Powerhouse Technology Centre Project Update | RNS |
| 15.09.2023 11:32 | PHE | Powerhouse Energy's European patent application to be granted | Alliance |
| 15.09.2023 07:00 | PHE | European Patent Grant Confirmed | RNS |
| 07.09.2023 16:05 | PHE | Result of AGM | RNS |
| 06.09.2023 14:30 | PHE | Powerhouse Energy first half losses narrows, acting CEO steps down | Alliance |
| 06.09.2023 07:05 | PHE | Half Year Report | RNS |
| 06.09.2023 07:00 | PHE | Change of directorate | RNS |
| 31.08.2023 15:51 | XPS, WISE, SDY | UK shareholder meetings calendar - next 7 days | Alliance |
| 22.08.2023 12:27 | PHE | IN BRIEF: Powerhouse Energy raises GBP1 million via share placing | Alliance |
| 22.08.2023 07:00 | PHE | Placing to raise £1,000,000 and issue of equity | RNS |
| 16.08.2023 07:00 | PHE | Notice of AGM | RNS |
| 13.07.2023 10:16 | PHE | Powerhouse Energy hails patent progress for waste treatment method | Alliance |
| 13.07.2023 07:00 | PHE | European Patent Application Allowed | RNS |
| 30.06.2023 17:26 | PHE, DCI, UFO | EARNINGS SUMMARY: Powerhouse loss widens hugely, DCI Advisors narrows | Alliance |
| 30.06.2023 07:00 | PHE | Audited Results for Year Ended 31 December 2022 | RNS |
| 22.06.2023 11:36 | PHE | IN BRIEF: Powerhouse Energy secures outstanding Engsolve stake | Alliance |
