Credit Limit Procedures supporting information
Refer to the table below specifying the calibration factors and prudential standard for each region and Time of Day (ToD) segment consistent with the 2% prudential standard as calculated for inputs to the prudential settings calculations.
Calibration Factors (effective from 2027 Summer)
|
Region |
Time of Day (ToD) |
Calibration Factor |
Prudential Standard |
|
NSW |
Early morning |
1.2914 |
2% |
|
Morning peak |
0.9903 |
2% |
|
|
Middle of day |
0.9753 |
2% |
|
|
Afternoon peak |
1.0074 |
2.01% |
|
|
Late evening |
1.1608 |
2.01% |
|
|
QLD |
Early morning |
1.3209 |
1.99% |
|
Morning peak |
0.9309 |
2% |
|
|
Middle of day |
0.8974 |
2% |
|
|
Afternoon peak |
0.9883 |
2% |
|
|
Late evening |
1.112 |
2% |
|
|
SA |
Early morning |
1.1219 |
2% |
|
Morning peak |
0.9483 |
2% |
|
|
Middle of day |
0.8927 |
2.01% |
|
|
Afternoon peak |
0.9236 |
2% |
|
|
Late evening |
0.9488 |
2.01% |
|
|
TAS |
Early morning |
0.9618 |
2% |
|
Morning peak |
0.9564 |
2% |
|
|
Middle of day |
0.9326 |
1.99% |
|
|
Afternoon peak |
0.9621 |
2% |
|
|
Late evening |
0.9984 |
2% |
|
|
VIC |
Early morning |
1.3852 |
2% |
|
Morning peak |
1.0527 |
1.99% |
|
|
Middle of day |
0.9502 |
1.99% |
|
|
Afternoon peak |
0.968 |
2% |
|
|
Late evening |
1.2654 |
2% |
Refer to the tables below specifying the regional Volatility Factor Percentiles consistent with the 2% prudential standard as calculated for input to the prudential settings calculations.
Volatility Factor Percentiles (effective from 2023 Shoulder)
| Region | Volatility Factor Percentile |
% Prudential Standard
|
|---|---|---|
| NSW |
100% |
3.04% |
| QLD |
100% |
2.95% |
| SA |
100% |
2.04% |
| TAS |
100% |
5.39% |
| VIC |
100% |
3.30% |
Supporting document providing assumptions made in the life of NEM model for determination of VF percentiles and regional VFs.
Data sets of historic prices, regional load and volatility factors determined in the life of NEM model.
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16/07/2026
Regional Model Data
70.66 KB -
20/07/2023
Regional Model Data (2023 Percentiles Re-calibration after model changes)
58.06 KB -
12/02/2020
Regional Model Data (2019 Percentiles Re-calibration after model changes)
58.53 KB -
12/02/2020
Regional Model Data (2018 model parameter changes)
68.69 KB -
13/03/2018
Regional Model Data (2017 Percentiles Re-calibration)
66.14 KB -
20/02/2017
Regional Model Data (2014 Carbon Price Repeal)
59.86 KB -
For further information please contact AEMO's Information and Support Hub