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Subject:

05 December 2008: Temporary Change to the Grid

The reconciliation manager wishes to advise participants of a change at OKN0111. A temporary POC has been set up to supply load to the region normally supplied at OKN0111 LINE GN. This is for scheduled maintenance at OKN0111 on 7 December 2008.

Decommissioned POC: OKN0111 LINE GN
Flow Direction: X
Balancing Area OKN0111LINEG

New (temporary) POC: TNG0111 LINE GN
Flow Direction: X
Balancing Area: OKN0111LINEG
Data supplied on: 7 December 2008

Trading will be reconciled at the new NSP TNG0111 LINE GN for the affected day. Please note if maintenance is not able to be done on 7 December then 14 December has been identified as the back-up date.


25 November 2008: Changes at OTI0111

The reconciliation manager wishes to advise participants from 1 November 2008 Otira, OTI0111, will be reconciled by differencing:

POC: OTI0111 WPOW GN
Flow Direction: X
Balancing Area: WCOTIRAWPOWG
Start Date 1 November 2008
Network Owner: WPOW


12 November 2008: Changes at GRE0111

The reconciliation manager wishes to advise participants of a change to an existing embedded network. As at 1 December 2008, the following will be a change at GRE0111 WAIK EN. This is a result of WEL networks withdrawing their management of this embedded network:

Old NSP: GRE0111 WAIK EN
Name: Tuihana Subdivision
Parent NSP: MTM0331 POCO GN
End Date: 30 November 2008

New NSP: GRE0111 TUIH EN
Name: Tuihana
Parent NSP: MTM0331 POCO GN
Start Date: 1 December 2008

The embedded network is to be globally reconciled.

Tuihana Networks Limited (TNL) has been established for the purposes of providing electricity distribution. The electricity distribution assets will be vested in the new company and TNL will purchase line function services from Powerco. TNL will also contract with third parties for the maintenance and operations of Tuihanas distribution assets.


31 October 2008: Changes to HUI0331

The reconciliation manager wishes to advise participants of a change to the HUI0331 NSP. As at 1 December 2008, the following will be in place:

Existing POC: HUI0331 POCO GN
Flow Direction: X
End Date: 30 November 2008

New POC: HUI0331 POCO GN
Flow Direction: X and I
Start Date: 1 December 2008

It is understood that the level of embedded generation behind the Huirangi GXP is increasing around the middle of December 2008.


29 October 2008: New Connection to the Grid

The reconciliation manager wishes to advise participants of changes to the grid as notified by the Grid Owner. As at 1 December 2008, the following new GXPs will exist:

POC: WWD1102 MERI GD
Flow Direction: X
Start Date: 1 December 2008

POC: WWD1103 MERI GD
Flow Direction: X
Start Date: 1 December 2008

These are West Wind, Meridians new wind farm located near Makara (West of Wellington) and connecting to the Transpower Grid between CPK and WIL. These GXPs will become GIPs at a later date (estimated March 2009). Meridian has undertaken to provide at least 1 months notice of this future change.