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The Provision of Ex-Post Demand Information for NTS Offtakes

This proposal, based on Mod.0121, aims to aggregate and publish data on ex-post LDZ, power station, storage, and industrial load off-take flows. By aggregating the data into market sectors, the risk of undue discrimination between off-takes can be minimized. The publication of this data on the National Grid's website by 11:00 am for the previous Gas Flow Day provides transparency without revealing the trading positions of customers. This modification is in line with previous modifications and aims to create a fast-track consultation process for approval.

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The Provision of Ex-Post Demand Information for NTS Offtakes

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  1. Mod 0130 – ‘The Provision of Ex-Post Demand Information for NTS Offtakes’ Richard Fairholme E.ON UK

  2. Modification Proposal 0130 - Overview • Based on Mod 0121, with two key differences: • Aggregates data into market ‘sectors’ (as per Mod 0121 Annex): • (i) Aggregated ex-post LDZ offtake flows; • (ii) Aggregated ex-post power station offtake flows; • (iii) Aggregated ex-post storage offtake flows; • (iv) Aggregated ex-post industrial load offtake flows. • 2. Publication of data on National Grid’s website, by 11:00am for the previous Gas Flow Day.

  3. Why Aggregate the Data? • Response to our I&C customer’s concerns • Risk of undue discrimination between offtakes: • Under Mod 0121, similar-sized industrial loads which are DN connects will not have their daily gas demand data published. • Many NTS connected industrial load customers operate in commodity-based markets. • Gas demand data illustrates when a customer is producing. • Production data gives market intelligence and may influence market pricing and behaviour. • Aggregation of data gives sufficient transparency without unfairly revealing the trading position of customers.

  4. Why Publication by 11:00am? • Consistent with Mod 0097/0097a – ‘Modification to release aggregated ex-post information for pipeline interconnector offtake flows’. • To be published in the same place as interconnector offtake flows – under ‘Operational Data’ section of website.

  5. Next Steps… • Encourage Mod Panel to approve a ‘fast-track’ consultation process for Mod 0130. • Aim is for Ofgem to be able to make a decision on Mods 0121 and 0130 at the same time.

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