Existing agreements and contracts - Utilities
| Goods/services | Start date | Duration | Possible extensions | Review date | Tender status |
| Electricity half hourly sites | 01/11/2005 | 1 year | 3 x 1 year. A 2 year and 5 month extension has been taken. |
01/01/2009 | N/A |
| Electricity sub 100KW sites | 01/11/2005 | 1 year | 3 x 1 year. A 2 year and 5 month extension has been taken. |
01/01/2009 | N/A |
| Gas | 01/04/2008 | 1 year | N/A | 29/02/2009 | N/A |
