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Monitoring the new WEM

To ensure efficient operation of the Wholesale Electricity Market (WEM) in WA, the WEM Rules set up general trading obligations for market participants. These obligations are binding on all market participants.

The ERA is required to develop an Offer Construction Guideline and Trading Conduct Guideline under WEM Rule 2.16D.1. These Guidelines provide regulatory guidance on how market participants can fulfill their general trading obligations under the WEM Rules.

On 8 August 2024, Energy Policy WA (EPWA) published the Exposure Draft of WEM Amending Rules (FCESS Cost Review Amendments) (Exposure Draft). The Exposure Draft proposed amendments to the WEM Rules which affected the ERA’s regulatory guidance to market participants on their general trading obligations.

On 5 September 2024, the ERA published a first draft of the Guidelines and a Draft Report. The ERA sought stakeholder feedback by 3 October 2024. The ERA received seven submissions.

On 29 October 2024, the Minister for Energy approved the WEM Amendment (FCESS Cost Review) Rules (Amending Rules). Schedule 2 of the Amending Rules include changes to the market power mitigation framework and general trading obligations that affect the ERA’s Guidelines.

On 5 November 2024, the ERA published a second draft of the Guidelines and a Second Draft Report.

The ERA is currently seeking feedback on its second draft by 2 December 2024.

The ERA will consider stakeholder feedback in updating its Guidelines. For information on how to submit a response to the draft Guidelines and on other documents which are being changed in the process, please refer to the Notice.

Consultation November 2024

Date  Documents File type
05-Nov-24 Second Draft report Adobe PDF 545 kB
05-Nov-24 Draft Offer construction guideline (tracked changes) Adobe PDF 960 kB
05-Nov-24 Draft Offer construction guideline (clean version) Adobe PDF 895 kB
05-Nov-24 Draft Trading conduct guideline (tracked changes) Adobe PDF 342 kB
05-Nov-24 Draft Trading Conduct guideline (clean version) Adobe PDF 329 kB

Consultation September 2024

Date  Documents File type
05-Sep-24 Draft report Adobe PDF 345 kB
05-Sep-24 Offer construction guideline (tracked changes) Adobe PDF 952 kB
05-Sep-24 Offer construction guideline (clean version) Adobe PDF 896 kB
05-Sep-24 Trading conduct guideline (tracked changes) Adobe PDF 292 kB
05-Sep-24 Trading Conduct guideline (clean version) Adobe PDF 285 kB

Consultation September 2024 - Public Submissions

Date  Documents File type
05-Nov-24 Alinta Energy - offer construction guideline and trading conduct guideline Adobe PDF 226 kB
05-Nov-24 Bluewaters - offer construction guideline Adobe PDF 132 kB
05-Nov-24 Name Withheld - offer construction guideline and trading conduct guideline Adobe PDF 547 kB
05-Nov-24 Perth Energy - offer construction guideline
Adobe PDF 135 kB
05-Nov-24 Shell Energy - offer construction guideline and trading conduct guideline Adobe PDF 97 kB
05-Nov-24 Summit Southern Cross - offer construction guideline Adobe PDF 112 kB
05-Nov-24 Synergy - offer construction guideline and trading conduct guideline Adobe PDF 323 kB

Guidelines effective October 2023

Date  Documents File type
11-Sept-23 Final Report
Adobe PDF 817 kB
11-Sept-23
Offer construction guideline
Adobe PDF 477 kB
11-Sept-23 Trading conduct guideline
Adobe PDF 342 kB

Consultation June 2023

Date  Documents File type
21-Jun-23 Draft offer construction guideline
Adobe PDF 817 kB
21-Jun-23
Draft Report Request for Submission on draft guidelines
Adobe PDF 477 kB
21-Jun-23 Draft Trading conduct guideline
Adobe PDF 342 kB

Consultation June 2023 - Public Submissions

Date  Documents File type
21-Aug-23 AEC - offer construction guideline and trading conduct guideline
Adobe PDF 266 kB
21-Aug-23
AGL - covering submission - offer construction guideline
Adobe PDF 129 kB
21-Aug-23 AGL - offer construction guideline and trading conduct guideline
Adobe PDF 144 kB
21-Aug-23
Alinta Energy - offer construction guideline and trading conduct guideline Adobe PDF 100 kB
21-Aug-23
Bright Energy Investments - offer construction guideline Adobe PDF 254 kB
21-Aug-23
Shell Energy - offer construction guideline and trading conduct guideline Adobe PDF 201 kB
21-Aug-23
Synergy - offer construction guideline and trading conduct guideline Adobe PDF 500 kB
21-Aug-23
TransAlta - trading conduct guideline Adobe PDF 267 kB

Consultation December 2022

Date  Documents File type
23-Dec-22 Draft offer construction guideline
Adobe PDF 906 kB

Consultation December 2022 - Public submissions

Date  Documents File type
20-Feb-23 Alinta Energy
Adobe PDF 117 kB
20-Feb-23
Australian Energy Council
Adobe PDF 232 kB
20-Feb-23
Bright Energy Investments
Adobe PDF 452 kB
20-Feb-23
Collgar Renewables
Adobe PDF 244 kB
20-Feb-23
Shell
Adobe PDF 160 kB
20-Feb-23
Synergy
Adobe PDF 537 kB
20-Feb-23
Trans Alta
Adobe PDF 566 kB
Page last updated: 07 Nov 2024