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Flow Flexibility Business Rules

Flow Flexibility Business Rules. Ritchard Hewitt. Items to resolve today. Nodal or Zonal release. If zonal Preferred Number of zones. Extent of Tradability. Preferred Anti-hording Measure. Aggregation Interruptible product Timing of day ahead auctions. Issues to consider.

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Flow Flexibility Business Rules

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  1. Flow Flexibility Business Rules Ritchard Hewitt

  2. Items to resolve today • Nodal or Zonal release. • If zonal • Preferred Number of zones. • Extent of Tradability. • Preferred Anti-hording Measure. • Aggregation • Interruptible product • Timing of day ahead auctions.

  3. Issues to consider • Larger zones = More opportunity to trade but greater buy back risk and less efficient investment and inaccurate buy back. • Smaller zones = less opportunity to trade on 1 to 1 basis but more efficient Investment and more accurate buy back actions. • Nodal release = Efficient investment signals but more complex release, holding and trading arrangements.

  4. Action items from last meeting • Provide map and list of offtakes for 31 zone model • Provide baselines based on 31 mcm. • Provide details of historic use. • Provide details of players in the 31 zone model to allow assessment of trading opportunities.

  5. 0 St.Fergus Kinkockie Aberdeen Careston 1 Balgray 2 National Transmission System Drum Pitcairn Existing Pipeline Glenmavis Armadale Proposed Pipeline Broxburn 4 Soutra Hume Interconnector 3 Coldstream Terminal 5 Netherhowcleugh Humbleton Guyzance Proposed Terminal Lockerbie Saltwick LNG Storage Corbridge Wetheral Tow Law Regulator Teesside To Ballylumford 6 Keld Proposed Regulator Cowpen Bewley Little Burdon Elton Salt Cavity 7 Thrintoft Baldersby 9 Burley Bank LDZ Offtakes 8 Pickering Lupton Barrow To Dublin Pannal Hornsea 10 Towton Ganstead 12 Asselby Samlesbury Paull Easington Rawcliffe 29 Burton Blyborough Blackrod Thornton Curtis Warburton Walesby Point 30 11 Partington Holmes Chapel Theddlethorpe Audley (NW) Weston Point Audley (WM) Mickle Trafford Kirkstead Eccleston 14 Aspley Malpas Gosberton Silk Willoughby Millwich 15 Alrewas (EM) Sutton Bridge Brisley Bacton 13 Alrewas (WM) 16 Blaby Tur Langton West Winch Roudham Heath Austrey Interconnector Eye Shustoke 19 18 21 Caldecot Yelverton Market Harborough 17 22 Great Wilbraham Rugby Leamington 20 To Zeebrugge 24 23 Stratford-upon-Avon Ross (WM) Evesham Royston Matching Green Dynevor Fiddington Milford Haven Hardwick Arms Whitwell Roxwell / Chelmsford 27 Peters Green Ross (SW) Cirencester Gilwern Horndon Dyffryn Clydach Dowlais 25 North Stoke Isle Of Grain Winkfield (NT) Shorne Eastern Grey Winkfield (SO) Avonmouth Farningham Little Drew Winkfield (SE) Tatsfield Pucklechurch 26 28 Ilchester Braishfield Mappowder Mappowder Aylesbeare Wytch Farm Kenn Lyneham

  6. 31 zone baseline based on 31MCM capability plus Historic peak usage in 2004.

  7. 13 zone baseline based on 31MCM capability

  8. 5 zone baseline based on 31MCM capability

  9. Zone 0 – 4 LDZ, 1 CCGT Zone 1 – 4 LDZ, 1 CCGT, 1 I&C Zone 2 – 3 LDZ Zone 3 – 8 LDZ Zone 4 – 1 Storage, 1 LDZ Zone 5 – 6 LDZ, 1 CSEP Zone 6 – 2 LDZ, 1 CCGT, 2 CSEP, 3 I&C Zone 7 – 4 LDZ, 2 CCGT Zone 8 – 7 LDZ, 1 Storage, 2 I&C, 2 CCGT Zone 9 – 3 Storage, 5 LDZ, 2 I&C Zone 10 – 2 LDZ, 1 I&C Zone 11 – 2 LDZ, 6 CCGT, 1 I&C Zone 12 – 1 CCGT, 1 CSEP Zone 13 – 3 Storage, 14 LDZ, 8 I&C, 3 CCGT Zone 14 – 3 LDZ, 2 CCGTs, 1 CSEP Zone 15 – 3 LDZ, 1 CCGT Zone 16 – 3 LDZ Zone 17 – 2 LDZ, 1 CCGT Zone 18 – 1 CCGT Players in each zone – Part 1

  10. Zone 19 – 2 LDZ, Zone 20 – 2 LDZ, 1 CCGT, 1 I&C Zone 21 – 5 LDZ, 1 I&C Zone 22 – 6 LDZ, 1 CCGT, 1 Storage Zone 23 – 1 LDZ Zone 24 – 6 LDZ, 2 CCGT, 1 I&C Zone 25 – 10 LDZ, 6 CCGT, 1 Storage, 1 I&C Zone 26 – 1 Storage, 7 LDZ, 2 CCGT Zone 27 – 2 LDZ Zone 28 – 1 Storage, 3 LDZ, 4 CCGT Zone 29 – 2 LDZ Zone 30 – 4 LDZ, 4 CCGT Players in each zone – Part 2

  11. Summary

  12. Items to resolve today • Nodal or Zonal release. • If zonal • Preferred Number of zones. • Extent of Tradability. • Preferred Anti-hording Measure. • Aggregation • Interruptible product • Timing of day ahead auctions.

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