❓ A WA parliamentary question on notice regarding power outages in Chidlow, Western Australia, for the years 2006 and 2007. The response provides detailed statistics on the frequency, duration, and causes of these outages.
AnsweredQoN 3034Legislative Assembly
QuestionView source ↗
(a) how many power outages this locality suffered during this period;
(b) the duration of the shortest and longest power outage;
(c) the average duration of outages affecting this locality;
(d) the greatest and lowest number of homes affected by these outages;
(e) the average number of homes affected by these outages; and
(f) the primary causes of these outages?
(b) the duration of the shortest and longest power outage;
(c) the average duration of outages affecting this locality;
(d) the greatest and lowest number of homes affected by these outages;
(e) the average number of homes affected by these outages; and
(f) the primary causes of these outages?
AnswerView source ↗
Answered
19 March 2008
Responded by
Minister for Energy
Response time
22 days
Western Power has provided the Minister for Energy with the following response.
The locality of Chidlow is included in the Top 40 Worst Feeders Program.
The numbers in this response will be slightly different from the numbers given in response to the ten suburbs with the most outages. This is because for the ten worst affected suburbs question, only faults on the metro feeder were included. Some customers in Chidlow are fed by a country feeder (from Wundowie substation), and is reflected in the figures below.
a) 2006 - 47 network outages
2007 - 63 network outages
b) 2006 - The shortest outage was 3.6 minutes and the longest was 8.3 hours.
2007 - The shortest outage was 1.8 minutes and the longest was 6.8 hours.
c) 2006 - The average duration of outages was 2.5 hours.
2007 - The average duration of outages was 2.8 hours.
d) 2006 - The highest number of homes affected by these outages was 635 and the lowest was 2.
The highest number of homes affected by these outages was 636 and the lowest was 2.
e) 2006 - The average number of homes affected by each outage was 254.
2007 - The average number of homes affected by each outage was 143.
f) 2006 - The primary causes of these outages were planned outages (14) and equipment failures (12) and unknown fault causes (6).
2007 - The primary causes of these outages were planned outages (24) and equipment failures (17) and unknown fault causes (7).
Notes:
All information provided was for the locality of Chidlow supplied from all SWIS (South West Interconnected System) distribution feeders for both calendar years 2006 and 2007.
The definitions of the fault causes listed above are:
·
Planned outages
are when customers have been given a minimum of 3 days advance notice of the outage. Planned outages are generally as a result of doing improvement works on the network.
·
Equipment failure
is where the condition of the equipment results in equipment failing. This also includes pole top fire incidents.
· A fault cause is listed as
unknown
when the cause of the outage could not be determined.
Notice: This document is created or edited using unregistered or evaluation copy of rtLib valid for testing or development purposes only. To use it for productive or any other purposes please register it. You may purchase the license on
http://www.rtlib.com
The locality of Chidlow is included in the Top 40 Worst Feeders Program.
The numbers in this response will be slightly different from the numbers given in response to the ten suburbs with the most outages. This is because for the ten worst affected suburbs question, only faults on the metro feeder were included. Some customers in Chidlow are fed by a country feeder (from Wundowie substation), and is reflected in the figures below.
a) 2006 - 47 network outages
2007 - 63 network outages
b) 2006 - The shortest outage was 3.6 minutes and the longest was 8.3 hours.
2007 - The shortest outage was 1.8 minutes and the longest was 6.8 hours.
c) 2006 - The average duration of outages was 2.5 hours.
2007 - The average duration of outages was 2.8 hours.
d) 2006 - The highest number of homes affected by these outages was 635 and the lowest was 2.
The highest number of homes affected by these outages was 636 and the lowest was 2.
e) 2006 - The average number of homes affected by each outage was 254.
2007 - The average number of homes affected by each outage was 143.
f) 2006 - The primary causes of these outages were planned outages (14) and equipment failures (12) and unknown fault causes (6).
2007 - The primary causes of these outages were planned outages (24) and equipment failures (17) and unknown fault causes (7).
Notes:
All information provided was for the locality of Chidlow supplied from all SWIS (South West Interconnected System) distribution feeders for both calendar years 2006 and 2007.
The definitions of the fault causes listed above are:
·
Planned outages
are when customers have been given a minimum of 3 days advance notice of the outage. Planned outages are generally as a result of doing improvement works on the network.
·
Equipment failure
is where the condition of the equipment results in equipment failing. This also includes pole top fire incidents.
· A fault cause is listed as
unknown
when the cause of the outage could not be determined.
Notice: This document is created or edited using unregistered or evaluation copy of rtLib valid for testing or development purposes only. To use it for productive or any other purposes please register it. You may purchase the license on
http://www.rtlib.com
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