SP AusNet aims to provide you with the highest standard of electricity supply reliability and customer service.
We are committed to continuously improving reliability of supply to customers within our network and seek to outperform reliability targets.
We have been working hard to improve the reliability and safety of the electricity network. In 2010, we are doing asset renewal works to prevent asset failures, preventative maintenance programs to reduce the number of interruptions caused by animals and trees and increasing the use of new technologies through the use of automated and remote controlled equipment in the network to minimise interruptions to customers.
Electricity reliability measures
In 2010, in accordance with the requirements of the Essential Services Commission and as part of our commitment to customer service, we’re aiming for the following targets:
|
Measure for 2009
|
Supplied by Urban
feeder #
|
Supplied by Short Rural
feeder #
|
Supplied by Long Rural
feeder #
|
| On average, the number of minutes a customer will experience loss of supply due to planned interruptions per year (PSAIDI) |
16 minutes
|
35 minutes
|
70 minutes
|
On average, the number of minutes a customer will experience loss of supply due to unplanned interruptions per year.
(eg lightning, storm, fauna) (USAIDI) |
109 min
|
185 minutes
|
300 minutes
|
On average, the number of planned interruptions a customer will experience per year
(longer than one minute) (PSAIFI) |
0.09
|
0.15
|
0.30
|
On average, the number of unplanned interruptions a customer will experience per year
(longer than one minute) (USAIFI) |
1.82
|
2.73
|
4.28
|
| On average, the duration of an unplanned customer interruption (UCAIDI) |
60 minutes
|
68 minutes
|
70 minutes
|
| On average, the number of momentary interruptions (less than one minute) (MAIFI) |
3.5
|
5.9
|
13.5
|
SP AusNet aims to maintain a high level of reliability. In the event that we do not meet reliability thresholds established by the Essential Services Commission, some customers (approximately 70,000 in 2009) may be entitled to Guaranteed Service Level payments under clause 6.3 of the Electricity Distribution Code. If you would like to know more, please call us on 1300 360 795.
# The Essential Services Commission defines:
- An Urban feeder as a High Voltage circuit with load density greater than 300kVA/km. Covers outer metropolitan suburbs and major towns.
- A Short Rural feeder as a High Voltage circuit which is not an Urban feeder with total length less than 200 km. Covers areas near major towns.
- A Long Rural feeder as a High Voltage circuit which is not an Urban feeder with total length greater than 200 km. Covers more remote rural areas.
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