Incorrect operational isolation of n/a n/a n/a 0.0 primary or secondary equipment Sources: TransGrid, Revenue proposal 2014/15–2018/19, p. 226; AER analysis. TransGrid's market impact parameter performance targets that will apply within the 2015–18 regulatory control period will be published annually as part of our service standards compliance reporting process. The AER has determined that the priority projects and improvement targets shown in Table 5 will apply to TransGrid during the 2015–18 regulatory control period. Table AER’s final decision on TransGrid's network capability priority projects ($ 000s, 2013–14) Improvement Ranking Project Description Capex Opex Total target Full use of line thermal capacity of 1200MVA for Current 8C and 8E Transformer Changes to Armidale - Secondary current Dumaresq Ratios - transformer 1 circuits and 8L 0 55 55 Queensland secondary ratios – and 8M New South on 8C, 8E, 8L Dumaresq - Bulli Wales and 8M lines. Creek circuits Interconnector during system normal conditions. Replace wave traps, Terminal Terminal disconnectors equipment Equipment and change CT ratings that Upgrades - 67 & ratios and the use of 2 360 0 360 68 Murray protection dynamic rating – Dederang settings on 67 & capacity of Switchbays 68 line 1486MVA for 67 switchbays at & 68 Lines. Murray. Protection & Replace the Full use of Metering secondary 3 90 0 90 contingent Upgrades - 993 systems panel for capacity of 122 Line Protection & 993 Line at
Incorrect operational isolation of primary or secondary equipment n/a n/a n/a 0.0 Sources: TransGrid, Revenue proposal 2014/15–2018/19, p. 226; AER analysis. TransGrid's market impact parameter performance targets that will apply within the 2015–18 regulatory control period will be published annually as part of our service standards compliance reporting process. The AER has determined that the priority projects and improvement targets shown in Table 5 will apply to TransGrid during the 2015–18 regulatory control period. Table AER’s final decision on TransGrid's network capability priority projects ($ 000s, 2013–14) Ranking Project Description Improvement target Capex Opex Total 1 Current Transformer Secondary Ratios - Queensland – New South Wales Interconnector Changes to current transformer secondary ratios on 8C, 8E, 8L and 8M lines. Full use of line thermal capacity of 1200MVA for 8C and 8E Armidale - Dumaresq circuits and 8L and 8M Dumaresq - Bulli Creek circuits during system normal conditions. 0 55 55 2 Terminal Equipment Upgrades - 67 & 68 Murray – Dederang Switchbays Replace wave traps, disconnectors and change CT ratios and protection settings on 67 & 68 line switchbays at Murray. Terminal equipment ratings that the use of dynamic rating capacity of 1486MVA for 67 & 68 Lines. 360 0 360 3 Protection & Metering Upgrades - 993 Line Protection & Replace the secondary systems panel for 993 Line at Full use of contingent capacity of 122 90 0 90
AER%20-%20Final%20Decision%20%28Substituted%29%20TransGrid%20transmission%20determination%202015-18%20-%20July%202015.docx