Page 3188 - Week 11 - Wednesday, 12 September 1990

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MINISTER FOR FINANCE AND URBAN SERVICES

LEGISLATIVE ASSEMBLY QUESTION

Electricity System Load Factor

QUESTION NO. 235

Ms Follett - asked the Minister for Finance and Urban Services -

What is measured by the Electricity System Load Factor percentage.

Mr Duby - the answer to the Members question is as follows:

The Electricity System Load Factor is the ratio of the energy actually purchased in a period to the energy which would have been purchased if the maximum load had persisted for the whole period.

Thus using the figures in the 1988/89 Annual Report (page 46), the energy actually purchased during the year was 2075.1 GWEN. If the maximum demand of 513.7 MW has persisted for 24 hours per day for 365 days, the energy purchase would have been some 4500.0 million kWh. The System Load Factor Percentage ratio is thus 2075/4500 or 46.1 % on an Annual basis.

The load factor can also be calculated on a monthly basis in a similar way.

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