Redclyffe 220 110kv interconnection investment proposal - history
Current status
On 11 February 2010, Transpower wrote to the Commission advising that it wished to defer the Redclyffe 220/110kV Interconnection Investment Proposal.
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- Provide written comments on Transpower’s proposals; and
- Request that the Commission consider alternatives to Transpower’s proposals.
Transpower's application
Transpower submitted the Redclyffe 220/110kV Interconnection Investment Proposal as a reliability investment. The proposal involved the installation of 150 MVA 220/110 kV interconnecting transformer at Redclyffe by 2011. Transpower sought approval of up to $9.0 million for the proposal.
Opportunity for comment
Under rule 13.3.2 and rule 13.3.5 of section III of part F of the Electricity Governance Rules 2003, the Commission gave notice to provide designated transmission customers and parties affected by the proposals with an opportunity to:
Comments and/or requests were sought by the Commission by 5.00 pm on Wednesday, 29 July 2009. The Commission received one submission.
Timetable
On 14 July 2009, the Commission and Transpower agreed on a timetable for consultation and approval of the Redclyffe 220/110kV Interconnection Investment Proposal.
Proposal deferred
On 11 February 2010, Transpower wrote to the Commission advising that it wished to defer the Redclyffe 220/110kV Interconnection Investment Proposal. Transpower advised that it would be conducting a trial at Redclyffe to investigate whether the capacity ratings of interconnecting transformers at specific sites can be increased without compromising system security.
Transpower expected that the trial would last for 12 months, after which Transpower would decide whether to proceed with the investment proposal, withdraw it or amend it.
On 22 February 2010, the Commission wrote to Transpower advising that the contents of Transpower’s letter dated 11 February 2010 had been noted.
Related Documents
Transpower's letter dated 3 July 2009 re proposal
TP-ltr-3July09.pdf | pdf | 134 KB | Modified: 07/09/2010 1:18pm
Proposal
Redclyffe 220/110kV Interconnection Investment Proposal
GUP.pdf | pdf | 1.2 MB | Modified: 07/09/2010 1:18pm
Proposal
Attachment A - Supporting letter from Genesis Energy, 15 December 2008
Attachment-A.pdf | pdf | 40 KB | Modified: 07/09/2010 1:18pm
Proposal
Attachment B - Supporting analysis
Attachment-B.pdf | pdf | 126 KB | Modified: 07/09/2010 1:18pm
Proposal
Letter from Transpower dated 11 February 2010
TP-ltr-11Feb10.pdf | pdf | 225 KB | Modified: 07/09/2010 1:18pm
Proposal deferred
Letter to Transpower dated 22 February 2010
EC-ltr-22Feb10.pdf | pdf | 24 KB | Modified: 07/09/2010 1:18pm
Proposal deferred
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