ElectraNet - historical regulatory performance

2021-22

The Commission publishes annually statistics and summary insights on ElectraNet’s operational performance outcomes including network service and reliability performance compared with historical performance, utilising data provided by ElectraNet.

Network reliability in 2021-22

Based on the data provided, ElectraNet met the reliability standards for all five exit points categories on the transmission network in 2021-22, as it has done each year since 2018, when the current standards were set.

In 2021-22 ElectraNet reported four power system incidents attributed to ElectraNet and four power system incidents attributed to third parties. ElectraNet also reported 2.6 system minutes off supply (SMOS) and one transformer failure.

Transmission line availability for the 2021-22 year was 99.34 percent which is slightly higher than the average historical 10-year transmission line availability is 99.22 percent.

2020-21 

The Commission publishes annually statistics and summary insights on ElectraNet’s operational performance outcomes including network service and reliability performance compared with historical performance, utilising data provided by ElectraNet.

Network reliability in 2020-21

Based on the data provided, ElectraNet met the reliability standards for all five exit points categories on the transmission network in 2020-21, as it has done each year since 2018, when the current standards were set.

In 2020-21 ElectraNet reported 6 transmission supply interruptions, which is one less than in 2019-20. For comparison, the 10-year average is 8.6. ElectraNet also reported 0.116 system minutes off supply (SMOS), compared to 2.68 in the previous year which was adversely affected by outages caused by bushfires. SMOS reported for 2020-21 is the lowest reported to date.

Transmission line availability for the 2020-21 year was 99.55 percent, an improvement following a downward trend over the previous three years. For comparison, the historical 10-year transmission line availability is 99.13 percent.

 

2019-20 

• ElectraNet performance report 2019-20 - fact sheet

2018-19

• ElectraNet performance report 2018-19 fact sheet

2017-18

• ElectraNet performance report 2017-18 - fact sheet
• South Australia electricity transmission network and regulatory framework – information sheet

2016-17

• Energy networks' regulatory performance report 2016-17 - executive summary
• Energy networks' regulatory performance report 2016-17 

2015-16

• Energy networks' regulatory performance report 2015-16 - fact sheet
• Energy networks' regulatory performance report 2015-16

2014-15

• Energy regulatory businesses performance report 2014-15 - fact sheet
• Energy regulatory businesses performance report 2014-15

Energy networks performance - time series data (up to June 2020)

• Energy networks performance – time series data