❓ Hon Robin Chapple asks about the accuracy of electricity meters and testing procedures. The Minister responds, outlining tolerance levels, testing frequency, and compliance, while also noting a large number of non-compliant three-phase meters needing replacement.
AnsweredQoN 76Legislative Council
QuestionView source ↗
ELECTRICITY METERS
76. Hon ROBIN CHAPPLE to the Leader of the House
representing the Minister for Energy:
(1) What is the tolerance for accuracy of electricity meters
under state legislation or regulation?
(2) How is the compliance of each meter tested against this
standard?
(3) When was such testing last carried out?
(4) What were the results of the tests for compliance with
the required standard of accuracy?
(5) How many
of the meters tested against this standard were found to be outside the
tolerance for accuracy of electricity meters under state legislation or
regulation?
76. Hon ROBIN CHAPPLE to the Leader of the House
representing the Minister for Energy:
(1) What is the tolerance for accuracy of electricity meters
under state legislation or regulation?
(2) How is the compliance of each meter tested against this
standard?
(3) When was such testing last carried out?
(4) What were the results of the tests for compliance with
the required standard of accuracy?
(5) How many
of the meters tested against this standard were found to be outside the
tolerance for accuracy of electricity meters under state legislation or
regulation?
AnswerView source ↗
I thank the
honourable member for some notice of the question.
(1) For
residential meters, the maximum allowable overall error tolerance is plus or
minus 1.5 per cent. This is prescribed in the Electricity Industry (Metering)
Code 2012, appendix 1, table 3, which references Australian Standard 1284.13.
(2) Each meter
is tested on site. Meters are tested for both accuracy and performance
characteristics. In addition to site tests, some meters are removed and
comprehensively tested in Western Power's National Association of
Testing Authorities–accredited laboratory.
(3) Testing is an ongoing activity carried out each month.
The most recent testing occurred in April 2013.
(4) The tests
conducted on meters in April 2013 showed that the meters tested were fully
compliant with current standards.
(5) Western
Power identified in its recent access arrangement that 280 000 three-phase
meters are noncompliant and need to be replaced.
honourable member for some notice of the question.
(1) For
residential meters, the maximum allowable overall error tolerance is plus or
minus 1.5 per cent. This is prescribed in the Electricity Industry (Metering)
Code 2012, appendix 1, table 3, which references Australian Standard 1284.13.
(2) Each meter
is tested on site. Meters are tested for both accuracy and performance
characteristics. In addition to site tests, some meters are removed and
comprehensively tested in Western Power's National Association of
Testing Authorities–accredited laboratory.
(3) Testing is an ongoing activity carried out each month.
The most recent testing occurred in April 2013.
(4) The tests
conducted on meters in April 2013 showed that the meters tested were fully
compliant with current standards.
(5) Western
Power identified in its recent access arrangement that 280 000 three-phase
meters are noncompliant and need to be replaced.
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