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Summary
The Financial Page charts and tabulates the FCAS gross margin, components of gross margin, variables that relate to gross margin, regulation enablement and non-enablement factors and other metrics such as market share of FCAS. The primary use is to better understand the revenues and liabilities for regulation FCAS so that revenues may be improved and liabilities can be identified and therefore reduced. The main liability being the enablement and non-enablement factors used to calculate your causer pays regulation settlement factor used to determine cost recovery for regulation services. The reports are specifically designed to be aggregated over both time (from 5 min to 1 year) and units (from single units to stations, portfolios and regions).
Definition of gross margin and the components
A full description and derivation of gross margin and the components and underlying variables can be found in the PAGE "Derive regulation gross margin"
How To Access "Financial Reports"
To open the "Financial Page" use the URL fcaspays.com.au and click on the dollar pad symbol in the left hand navigation bar (shown left).
Selecting units, station, portfolios and/or regions
Expand the selection tree and choose the objects you wish to include in your report (left screen shot).
You can remove branches of the tree and you can add filters on any branch.
The screen shot to the right shows portfolio branch switched off.
Click add filter, in this case region filter has been selected for NSW1.
You can add more than one filter and more than one object per filter.
Calculation of raise/lower non enablement and enablement factors
The recovery of regulation FCAS costs is described in AEMO's document, "REGULATION FCAS CONTRIBUTION FACTOR PROCEDURE". The preceding step in aggregating a portfolios factor, "Area Portfolio Factor" is to calculate the Raise and Lower Enablement Factors, REF and LEF respectively, and the Raise and Lower Non-Enablement Factors, RNEF and LNEF respectively. The following example shows how to calculate these four values for a station, in this case Vales Point.
How To Select the Enablement Factors - REF, LEF, RNEF and LNEF
Select the services, Lowerreg and Raisereg from the select SERVICES option.
Then select the Factor Variables (shown in the screen print on the right).
Then select the level of unit and time aggregation and the time period located in the top tool bar (shown in the screen print below).
Calculation of raise/lower non enablement and enablement factors
AEMO began publishing 5 minute enablement factors in early 2020. We precisely calculate these values and publish them six weeks in advance of AEMO. Note that the enablement factors we publish are now averages (previously we published sums). An average value of '-1' for one month equates to a liability of approximately $1000 but may be as high as $10,000.
We also calculate average negative values so that you may quickly identify periods where significant liabilities are accrued. We do this because average values can net out the negative periods making these periods hard to find.
The recovery of regulation FCAS costs is described in AEMO's document, "REGULATION FCAS CONTRIBUTION FACTOR PROCEDURE". The preceding step in aggregating a portfolios factor, "Area Portfolio Factor" is to calculate the Raise and Lower Enablement Factors, REF and LEF respectively, and the Raise and Lower Non-Enablement Factors, RNEF and LNEF respectively. The following example shows the average contribution factors for Vales Point. These factors are for raise and lower enablement and non-enablement factors as well as averages for negative periods. In this case it is clear that there is a systemic accumulation of negative raise not enabled factors compared to negative lower not enabled factors that would warrant further investigation.
