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Regulatory investment tests for transmission

AEMO conducts regulatory investment tests for transmission (RIT-T) on potential transmission network and non-network projects.

The purpose of the RIT-T, as set out at clause 5.16 of the electricity Rules, is to identify the credible option that maximises the present value of net economic benefit to all those who produce, consume and transport electricity in the market.

Victoria to New South Wales Interconnector West (VNI West) RIT-T

AEMO and TransGrid are undertaking a joint Regulatory Investment Test for Transmission (RIT-T) to assess the technical and economic viability of expanding interconnector capacity between Victoria and New South Wales to address existing network limitations and deliver net market benefits in the long-term interests of Australian energy consumers

Victorian to New South Wales Interconnector West  For more information on the Victoria to New South Wales Interconnector West RIT-T, visit the new dedicated RIT-T webpage

Victoria to New South Wales Interconnector Upgrade RIT-T

AEMO and TransGrid are currently conducting a joint RIT-T to identify the preferred option for increasing the transfer capacity from Victoria to New South Wales.

Victorian to New South Wales Interconnector Upgrade  For more information on the Victoria to New South Wales Interconnector Upgrade RIT-T, visit the new dedicated RIT-T webpage

Victorian Reactive Power Support RIT-T

AEMO is currently conducting a RIT-T to identify the preferred option, network or non-network, for maintaining voltages within operational and design limits during low demand periods.

Victorian Reactive Power Support For more information on the Victorian Reactive Power Support RIT-T, visit the new dedicated RIT-T webpage.

Western Victoria Renewable Integration RIT-T

AEMO recently completed a Regulatory Investment Test for Transmission (RIT-T) to assess the technical and economic viability of increasing transmission network capacity to address current limitations in the Western Victoria transmission network, in accordance with the National Electricity Rules (NER).

Western Victoria Renewable Integration Project Specification Consultation Report  April 2017
Western Victorian Renewable Integration - Project Update  July 2018
Project Assesment Draft Report  
 December 2018
For more information on the Western Victorian Renewable Integration RIT-T visit the new dedicated RIT-T web pages here

A list of completed and deferred RIT-Ts is outlined below:

Eastern Metropolitan Melbourne reactive support Eastern Metropolitan Melbourne Reactive Support – Project Specification Consultation Report Nov 2011
As a result of the revised forecast in electricity use in AEMO’s 2012 National Electricity Forecast Report (NEFR), the need for additional reactive power support was deferred.
Eastern Metropolitan Melbourne thermal capacity Eastern Metropolitan Melbourne Thermal Capacity – Project Specification Consultation Report Nov 2011
Eastern Metropolitan Melbourne Thermal Capacity Upgrade – RIT-T: Project Assessment Draft Report Mar 2013
As a result of the revised forecast in electricity use in AEMO’s 2013 National Electricity Forecast Report (NEFR), the need for additional thermal capacity in the Eastern Metro area of Victoria was deferred.
Regional Victoria reactive support Regional Victoria Reactive Support – Project Specification Consultation Report Jan 2012
As a result of the revised forecast in electricity use in AEMO’s 2012 National Electricity Forecast Report (NEFR), together with the installation of two new transformers at Bendigo, the need for additional reactive power support in Regional Victoria was deferred.

 

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