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Legislative Assembly for the ACT: 2021 Week 11 Hansard (Thursday, 11 November 2021) . . Page.. 3440 ..


The ACT forms part of the NSW region of the NEM, and the amount of energy demand unmet in the ACT is included in the NSW figure. For 2019/20 reporting period, the amount of energy demand unmet in the NSW NEM region was negligible.

In its annual compliance report, the Utilities Technical Regulator published the following data regarding electricity supply reliability in the ACT:

Parameter

TARGET

2016–17

2017–18

2018–19

2019–20

Average Interruption Duration per outage (CAIDI) minutes

74.6

92.84

126.72

96.92

114.33

Interruption Frequency (SAIFI) Number

1.2

0.90

0.79

0.95

0.72

Average Interruption Duration per customer (SAIDI) minutes

91

83.74

99.97

92.53

81.7

(3) The ACT Government does not collect data at the level of detail requested. Matters relating to energy supply in the ACT are best directed towards Evoenergy. Evoenergy owns and operates the ACT electricity network.

Evoenergy reports known and planned outages in the ACT. Further information on outages, including an outages map is available on their website: www.evoenergy.com.au/outages.

(4) Most electricity in Australia is generated, bought, sold and transported in markets that need to match supply and demand in real time. The National Electricity Market (NEM) fills this role for the east coast and southern states, including the ACT. Short supply situations are often the result of generation or transmission equipment becoming unavailable unexpectedly, such as the accident at the Callide Power station in Queensland in May. However, very hot days can provide short term challenges for electricity supply across the NEM which is managed through interjurisdictional cooperation.

The ACT Energy Emergency (Coordination) Plan (the Plan) is a supporting plan of the ACT Emergency Plan. It provides a framework for a coordinated approach to an actual or imminent event relating to the supply of electricity, gas and/or liquid fuel, locally and nationally. The Plan was reviewed during 2019 and 2020, and an updated plan was approved by the ESA Commissioner in July 2020. The ACT Energy Emergency Plan has not been activated so far in 2021.

(5) The system security and reliability standards needed for a reliable and secure electricity market are defined in the National Electricity Rules and also by the AEMC’s Reliability Panel. Australian Energy Market Operator (AEMO) and network businesses operate the system in line with these standards.

(6) According to the AER[1], residential electricity customers in the ACT each use an average of 6,372 kWh per year and pay a $1,793 median annual electricity bill. Residential gas customers each use an average of 42,078 MJ per year and pay a $1,555 median annual gas bill. Any change in costs from changed electricity usage would be based on the pricing system that a customer is on.

(7) The ACT Government does not collect data at the level of detail requested. Matters relating to energy supply in the ACT are best directed towards Evoenergy. Evoenergy owns and operates the ACT electricity network.


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