NEW ZEALAND GAZETTE, No. 159

20 OCTOBER 2011

Electricity Authority

Electricity Industry Act 2010

Notice of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011

1. Pursuant to section 38(3)(b) of the Electricity Industry Act 2010, the Electricity Authority (“Authority”) gives notice of the making of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

2. The amendment comes into force as follows:
   (a) The part of the amendment referred to in paragraph 3(a) below, on 28 March 2012; and
   (b) the parts of the amendment referred to in paragraphs 3(b) to (i) below, on 28 June 2012.

3. The amendment provides for the introduction of demand-side bidding and forecasting by amending Part 1 and Part 13 of the Electricity Industry Participation Code 2010 (“Code”). The amendment:
   (a) provides for a process for the Authority to determine grid exit points (“GXPs”) as either conforming or non-conforming;
   (b) provides for a rolling 36-hour (72 trading periods) schedule period;
   (c) requires the system operator to make a central forecast of demand at conforming GXPs for each trading period in the schedule period;
   (d) requires purchasers at non-conforming GXPs to submit bids called “nominated bids” for each trading period in the schedule period;
   (e) relaxes the threshold that triggers an obligation on a purchaser to revise its bid at a non-conforming GXP;
   (f) allows purchasers at conforming GXPs to submit bids called “difference bids” to signal an intention to respond to price;
   (g) requires the system operator to prepare, and publish information from, a price-responsive schedule (“PRS”) that utilises the central forecast of demand and all purchasers’ bids (quantities and prices), and a non-response schedule (“NRS”) that utilises the central forecast and the quantities from purchasers’ nominated bids, but not the prices from those nominated bids, nor any information from difference bids;
   (h) requires the system operator, every two hours, to prepare jointly a PRS and a NRS covering a 36-hour period; and
   (i) requires the system operator, every half hour, to prepare a PRS and a NRS covering a 4-hour period.

4. A copy of the amendment and the Code is available on the Electricity Authority’s website at www.ea.govt.nz/act-code-regs/code-regs/the-code/

5. A copy of the amendment and the Code may also be inspected free of charge or purchased from the Electricity Authority, Level 7, ASB Bank Tower, 2 Hunter Street, Wellington.

Dated at Wellington this 10th day of October 2011.

DR THOMAS BRENT LAYTON, Chairperson,
Electricity Authority.
au7284

4557

Notice of the Electricity Industry Participation (Dispatchable Demand) Code Amendment 2011

1. Pursuant to section 38(3)(b) of the Electricity Industry Act 2010, the Electricity Authority gives notice of the making of the Electricity Industry Participation (Dispatchable Demand) Code Amendment 2011.

2. The amendment comes into force on 27 June 2013.

3. The amendment provides for the introduction of dispatchable demand by amending Part 1, Part 13, Part 14, and Part 15 of the Electricity Industry Participation Code 2010 (“Code”). The amendment:
   (a) provides a process for purchasers at non-conforming GXPs to obtain the system operator’s approval for one or more devices to be a dispatch-capable load station (“DCLS”);
   (b) requires a purchaser who has a DCLS to submit either a nominated non-dispatch bid or a nominated dispatch bid for the DCLS in every trading period;
   (c) requires the system operator to issue dispatch instructions to purchasers who have submitted nominated dispatch bids;
   (d) requires nominated dispatch bids to be used as inputs into all schedules, including price responsive and non-response schedules, dispatch schedules and final pricing schedules;
   (e) requires a purchaser who has a DCLS to submit metered quantities to the grid owner and pricing manager for the purpose of calculating prices;
   (f) entitles purchasers who have submitted nominated dispatch bids to receive, in certain circumstances, constrained on and/or constrained off compensation with respect to their nominated dispatch bids;
   (g) requires DCLSs’ volume information to be provided to the reconciliation manager and the clearing manager so that constrained on and constrained off amounts can be calculated; and
   (h) makes consequential changes to Part 1 and Part 14.

4. A copy of the amendment and the Code is available on the Electricity Authority’s website at www.ea.govt.nz/act-code-regs/code-regs/

5. A copy of the amendment and the Code may also be inspected free of charge or purchased from the Electricity Authority, Level 7, ASB Bank Tower, 2 Hunter Street, Wellington.

Dated at Wellington this 17th day of October 2011.

DR THOMAS BRENT LAYTON, Chairperson,
Electricity Authority.
au7283

Environmental Protection Authority

Hazardous Substances and New Organisms Act 1996

Determination of Hazardous Substance

Pursuant to section 26 of the Hazardous Substances and New Organisms Act 1996, the Environmental Protection Authority hereby determines that

Weston 705

is not a hazardous substance.