Amendment Of The Market Ancillary Service Specification (MASS)

Market National Electricity Market
StageFinal Report
ConvenorAEMO NEM
Accepting submissions?No

Notice of Second Stage of Consultation

National Electricity Rules - Rule 8.9

Review of Market Ancillary Service Specification

Date of Notice: 26 April 2017

This notice informs all Registered Participants and interested people (Consulted Parties) that AEMO is commencing the second stage of its consultation on its review of the Market Ancillary service Specification. This consultation is being conducted under clauses 3.11.2(c) and (d) of the National Electricity Rules, in accordance with the Rules cosultation requirements detailed in rule 8.9 of the NER.

Invitation to make submissions

AEMO invites written submissions on this draft determination .

Please identify any parts of your submission that you wish to remain confidential, and explain why. AEMO may still publish that information if it does not consider it to be confidential, but will consult with you before doing so.

Consulted Persons should note that material identified as confidential may be given less weight in the decision-making process than material that is published.

Closing date and Time

Submissions in response to this Notice of Second Stage of Rules Consultation should be sent by email to to reach by 5:00pm (Melbourne time) on 19 May 2017.

All submissions must be forwarded in electronic format (both pdf and word). Please send any queries about this consultation to the same email address.

Submissions recieved after the closing date and time will not be valid, and AEMO is not obliged to consider them. Any late submissions should explain the reason for lateness and the detriment to you if AEMO dos not consider your submission.


All submssions will be published on AEMO's website, other than confidential content.

Final Report

Second Stage Submissions

Stage Two Documents

Stage One Submissions

Late Stage One Submissions
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