Following the successful implementation of MIPI ETP on 15/11/2010 - the Daily Calorific Value Spreadsheet will no longer be published . The CV data can be downloaded from Data Item Explorer - Calorific Value  (http://marketinformation.natgrid.co.uk/gas/DataItemExplorer.aspx)

National Grid does not make any representations as to the accuracy of the information disclosed here. The Calorific Value information has been collated from different sources and its accuracy has not been verified by National Grid. The Calorific Values given are based on the current data available to National Grid and National Grid disclaims any responsibility for any action or omission to act by anyone relying on the information supplied herein.

For CV and Gas Quality related queries only, please mail ntt.cvprocess@uk.ngrid.com.