On 29 October 2015, we released our final decision for SA Power Networks for the 2015-20 regulatory control period. Our final decision is accompanied by a Fact Sheet. This decision substitutes and revokes our preliminary decision published in April 2015 as required by the NER.
Final determination
Models
The AER must publish certain models with its final decision for SA Power Networks.
AER - Final decision SA Power Networks distribution determination - Baseline depreciation - October 2015
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AER - Final decision SA Power Networks distribution determination - Capex model - October 2015
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AER - Final decision SA Power Networks distribution determination - Capex real cost escalation model - October 2015
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AER - Final decision SA Power Networks distribution determination - Efficiency benefit sharing scheme model - October 2015
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AER - Final decision SA Power Networks distribution determination - Opex model - October 2015
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AER - Final decision SA Power Networks distribution determination - Post tax revenue model - October 2015
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AER - Final decision SA Power Networks distribution determination - Rate of return Risk free rate model - October 2015
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AER - Final decision SA Power Networks distribution determination - Roll forward model - October 2015
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AER - Preliminary decision VIC and Final decision QLD & SA - Rate of return Return on debt model - October 2015
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Tariff structure statement
On 28 February 2017, we released our final decision on SA Power Networks' 2017-20 Tariff Structure Statement proposal. The approved tariff structures were in place for the period 1 July 2017 to 30 June 2020. A history of the consultation process is archived online by the National Library of Australia.
SA Power Networks - Revised Tariff Structure Statement 2017-20 - Part B - October 2016
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SA Power Networks - Revised Tariff Structure Statement Final - Part A - February 2017
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Consultant reports
The AER commissioned a number of reports which it took into account when making its final decision.
Chairmont - Financing Practices Under Regulation Final - October 2015
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Deloitte Access Economics - Forecast growth in labour costs in NEM regions of Australia - 15 June 2015
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Lally - Review of Submissions on Implementation Issues for cost of debt - October 2015
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Lally - Review of Submissions on Transition Issues for cost of debt - October 2015
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Nous Group - South Australian Power Networks ICT expenditure 2015-20 - 9 July 2015
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Partington and Satchell - Report to the AER - Analysis of criticism of 2015 determinations - October 2015
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