❓ A Western Australian parliamentary question seeks data on power outages in Karragullen for 2006-2007, covering frequency, duration, affected homes, and causes. The response provides detailed statistics from Western Power.
AnsweredQoN 3036Legislative 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
1 April 2008
Responded by
Minister for Energy
Response time
35 days
Western Power has provided the Minister for Energy with the following response.
a) 2006 - 14 network outages.
2007 - 23 network outages.
b) 2006 - The shortest outage was 1 hour and the longest was 5 hours.
2007 - The shortest outage was 30 minutes and the longest was 8 hours.
c) 2006 - The average duration of outages was 1.9 hours.
2007 - The average duration of outages was 2 hours.
d) 2006 - The highest number of homes affected by outages was 160 and the lowest was 1.
2007 - The highest number of homes affected by outages was 160 and the lowest was 1.
e) 2006 - The average number of homes affected by each outage was 17.
2007 - The average number of homes affected by each outage was 53.
f) 2006 - The primary causes of these outages were planned outages (5), equipment failures (3) and unknown causes (3).
2007 - The primary causes of these outages were equipment failures (7), vegetation (5) and unknown causes (4).
Notes:
All information provided was for the locality of Karragullen 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 listed as
vegetation
is when vegetation interferes with the equipment resulting in an outage. It also includes private vegetation.
· A fault cause is listed as
unknown
when the cause of the outage could not be determined.
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a) 2006 - 14 network outages.
2007 - 23 network outages.
b) 2006 - The shortest outage was 1 hour and the longest was 5 hours.
2007 - The shortest outage was 30 minutes and the longest was 8 hours.
c) 2006 - The average duration of outages was 1.9 hours.
2007 - The average duration of outages was 2 hours.
d) 2006 - The highest number of homes affected by outages was 160 and the lowest was 1.
2007 - The highest number of homes affected by outages was 160 and the lowest was 1.
e) 2006 - The average number of homes affected by each outage was 17.
2007 - The average number of homes affected by each outage was 53.
f) 2006 - The primary causes of these outages were planned outages (5), equipment failures (3) and unknown causes (3).
2007 - The primary causes of these outages were equipment failures (7), vegetation (5) and unknown causes (4).
Notes:
All information provided was for the locality of Karragullen 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 listed as
vegetation
is when vegetation interferes with the equipment resulting in an outage. It also includes private vegetation.
· 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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