Responsibility for Supply of Utilities

9.1  The Contractor shall from the Services Availability Date until the Expiry Date purchase and supply to each Accommodation, Utilities on the economically most advantageous terms reasonably available having regard to the Contractor's obligations under this Agreement and pay for all consumption of Utilities following receipt of an invoice or demand from the relevant supplier in accordance with the terms of such invoice or demand.  In order to ensure continuing compliance with this obligation, the Utility Services shall be tested for value for money annually by the Contractor.