Western Adelaide Region Climate Change Adaptation Plan - Stage 1 - page 197

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Table 11.9: ElectraNet Pty Ltd
Company
ElectraNet
Address
Various locations
Jobs
Disaggregated data not available for Study Area
Exports
No
Building Valuation
Not available
Insurance Details
Insurance against bushfires (Licence condition)
Contact
David Manley, Landholder Liaison Coordinator
Overview
ElectraNet is a private company that owns and manages the electricity transmission
network across South Australia. ElectraNet operates in the National Electricity Market.
Several of ElectraNet’s assets extend throughout the Study Area. These include
275kV and 66 kV transmission lines, and substations located at Pelican Point,
Osborne, Dry Creek, Kilburn, Northfield and Keswick.
ElectraNet’s transmission assets in the Study Area extend 87 km. ElectraNet transmits
electricity from the major power generators across the Study Area to SA Power
Networks (as the distribution customer) and large industry customers (e.g. Amcor).
Climate Change
Risks

Increased demand for power, particularly during times of extreme heat
necessitating supply response. Refer to figure below.

Increased power failures caused by an accelerated ageing of the infrastructure
and an increase in extreme weather events such as floods, lightning strike and
higher winds and temperatures.

Reduced safety of powerlines (e.g. expansion and fire risk) on days of extreme
heat and wind).

ElectraNet’s assets are spread over multiple regions. Damage to assets outside
of the region may potentially impact on electricity supplies throughout parts of the
Western Adelaide region.

Potential damage from sea level rise.

Redundant business model and/or infrastructure arising from more extreme
variations in demand and heightened weather events, and greater emphasis on
renewable and distributed energy generation in the energy mix.

Accelerated depreciation of transmission infrastructure.

Impacts arising from transition to low carbon electricity generation. Impacts include
constrained network transfer capability and frequency and voltage management.

Lower efficiency of transmission due to impact of higher summer temperatures on
transmission line conductivity.
Source: ElectraNet SA Annual Planning Report, 2012.
Note: These forecast are developed by Electranet and do not necessarily correlate with the
forecasts or scenarios developed for the purpose of the WARCCAP project.
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