Wholesale Electricity Market Rules - Amending Rules (March 2007) (WA)

9 March 2007	GOVERNMENT GAZETTE, WA	851
EN401*

ELECTRICITY INDUSTRY ACT 2004

ELECTRICITY INDUSTRY (WHOLESALE ELECTRICITY MARKET)

REGULATIONS 2004

WHOLESALE ELECTRICITY MARKET RULES

Commencement of Provision 6.3B.1B of the Market Rules

Provision 6.3B.1B of the Wholesale Electricity Market Rules made under regulation 6(2) of the Electricity Industry (Wholesale Electricity Market) Regulations 2004 commences at 8:00am (WST) on 13 March 2007.

Dated at Perth this day 6th of March 2007.

FRANCIS LOGAN MLA, Minister for Energy.

1. Market Rule 6.3B.1B added

A new Rule 6.3B.1B to be added as follows-
6.3B.1B If the Market Participant's Standing STEM Submission has not been successfully converted

into a daily STEM Submission for the Trading Day in accordance with 6.3B.1A then the IMO must adjust the Standing STEM Submission to make it a valid STEM Submission with respect to the Trading Day. The adjustment will be made as follows—

(a)	if the cumulative MWh quantity over all Price-Quantity Pairs is greater than the Maximum Supply Capability as calculated under 6.3A.2(a), the Price-Quantity pairs will be adjusted downward so that the cumulative MWh quantity over all Price- Quantity Pairs equals the Maximum Supply Capability. This will be achieved by deleting successively or reducing the highest price Price-Quantity Pairs until the cumulative MWh quantity over all remaining Price-Quantity Pairs equals the maximum Supply Capability as calculated under 6.3A.2(a);
(b)	available dual fuel generators shall be declared to be using the same fuel as in the existing Standing STEM Submission;
(d)	if the number of Price-Quantity pairs in the modified Portfolio Supply Curve is greater than that allowed by clause 6.6.4, this will be disregarded and the STEM Submission
validated.

(c) any Ancillary Services shall be declared as using Non-Liquid Fuel; and