| 23-Sep-11 07:00 | RNS | Director/PDMR Shareholding | Directors' Dealings |
| 14-Sep-11 07:00 | RNS | Notice of Results | Advance Notice of Results |
| 31-Aug-11 07:00 | RNS | Pnu Power order | Company Announcement - General |
| 29-Jun-11 07:00 | RNS | CE Certification for full microCHP Kingston Boiler | Company Announcement - General |
| 03-Jun-11 07:00 | RNS | Pnu Power DC100 Data Centre Installation | Company Announcement - General |
| 20-May-11 12:45 | RNS | Result of AGM | Results and Trading Reports |
| 28-Mar-11 07:00 | RNS | Director/PDMR Shareholding | Directors' Dealings |
| 07-Mar-11 07:00 | RNS | Notice of Results | Advance Notice of Results |
| 22-Feb-11 07:00 | RNS | Placing to raise £2,500,000, and Notice of GM | Company Announcement - General |