Table A.1 Preferred DNSP specification Quantity Value Price Outputs Customers (no.) Revenue*Cost share Value/Customers System capacity (kVA*kms) Revenue*Cost share Value/kVA*kms –1*Customer minutes*VCR per customer Interruptions (customer minutes) –1*VCR per customer minute minute Inputs Opex (for network services group adjusted Nominal opex/Weighted average price Weighted average of ABS EGWWS WPI to remove accounting items not reflecting index and five ABS producer price indexes input use that year) Annual user cost (return of and on Overhead lines (MVA–kms) Overhead annual user cost/MVA–kms overhead capital) Annual user cost (return of and on Underground cables (MVA–kms) Underground annual user cost/MVA–kms underground capital) Annual user cost (return of and on Transformers and other annual user cost/ Transformers and other (MVA) transformers and other capital) MVA Abbreviations: VCR – value of customer reliability, ABS – Australian Bureau of Statistics, EGWWS – electricity, gas, water and waste services, WPI – wage price index, MVA – megavolt amperes, kVA – kilovolt amperes. Source: Economic Insights and AER analysis. Table A.2 Preferred TNSP specification Quantity Value Price Outputs System capacity (kVA*kms) Revenue*Cost share Value/kVA*kms Entry and exit points (no.) Revenue*Cost share Value/No. –1*loss of supply events*average –1*average customers affected*VCR per Loss of supply events (no.) customers affected*VCR per customer customer interruption interruption Aggregate unplanned outage duration –1*customer mins*VCR per customer –1*VCR per customer minute (customer mins) minute
Table A.1 Preferred DNSP specification Quantity Value Price Outputs Customers (no.) Revenue*Cost share Value/Customers System capacity (kVA*kms) Revenue*Cost share Value/kVA*kms Interruptions (customer minutes) –1*Customer minutes*VCR per customer minute –1*VCR per customer minute Inputs Nominal opex/Weighted average price index Opex (for network services group adjusted to remove accounting items not reflecting input use that year) Weighted average of ABS EGWWS WPI and five ABS producer price indexes Overhead lines (MVA–kms) Annual user cost (return of and on overhead capital) Overhead annual user cost/MVA–kms Underground cables (MVA–kms) Annual user cost (return of and on underground capital) Underground annual user cost/MVA–kms Transformers and other (MVA) Annual user cost (return of and on transformers and other capital) Transformers and other annual user cost/ MVA Abbreviations: VCR – value of customer reliability, ABS – Australian Bureau of Statistics, EGWWS – electricity, gas, water and waste services, WPI – wage price index, MVA – megavolt amperes, kVA – kilovolt amperes. Source: Economic Insights and AER analysis. Table A.2 Preferred TNSP specification Quantity Value Price Outputs System capacity (kVA*kms) Revenue*Cost share Value/kVA*kms Entry and exit points (no.) Revenue*Cost share Value/No. Loss of supply events (no.) –1*loss of supply events*average customers affected*VCR per customer interruption –1*average customers affected*VCR per customer interruption Aggregate unplanned outage duration (customer mins) –1*customer mins*VCR per customer minute –1*VCR per customer minute
AER%20Explanatory%20statement%20-%20draft%20expenditure%20forecast%20assessment%20guideline%20-%20August%202013.DOCX