Feb 14
TransGrid hosts consultation forum following release of Project Assessment Draft Report for HumeLink
On Wednesday 12 February, we welcomed stakeholders to a consultation forum following the release of the Project Assessment Draft Report (PADR) for 'Reinforcing the New South Wales Southern Shared Network’, otherwise known as HumeLink.  

This forum is an example of our commitment to ongoing consulation with customers and energy consumers, and provide feedback for the development of the next stage of the Regulatory Investment Test for Transmission (RIT-T). 

Sean McGoldrick, Executive Manager Major Projects, and Andrew Kingsmill, Manager Network Planning at TransGrid presented an overview of the PADR. They were joined by Ann Whitfield of Houston Kemp Economists and Ian Rose, Associate Partner at EY, to discuss modelling and assumptions. 

TransGrid is undertaking the RIT-T to assess the technical and economic feasibility of reinforcing the NSW Southern Shared Network to increase transfer capacity to major demand centres. 
The next formal stage of this RIT-T is the Project Assessment Conclusion Report (PACR), which will address PADR consultation responses and determine the final preferred option. PACR is expected to be published in the first half of 2020.

Learn more about HumeLink.



Jan 17
Network Update

Peak demand is forecast at around 8790 MW with reserve supply of around 4216 MW.

 All lines are in service except:

  • U3 line – 330kv feeder line from Upper Tumut substation to the Snowy Hydro power station's switch yard. Crews have completed line damage assessment and are finalising work scope for repairs.  Project team established.
  • 2 line from the Upper Tumut substation to Yass. Insulator repairs on three of six structures have been completed. Work has been delayed by storm activity (lightning and heavy rains) with further storms forecast over the weekend.  Crews are planning to re-mobilise after Monday's storm activity has passed.
  • 993 line (wood pole) 132kv from Gadara to Wagga Wagga is non-operational. The make safe work has been completed and five new steel structures have been delivered to sites. Work will continue tomorrow.


Jan 17
New images

Our crews are working hard repairing the 2 Line. These photos were taken today near Lobbs Hole in Snowy Mountains National Park. 

These lines were damaged by bush fires on 4 January 2020.

2 line repairs - Lobbs Hole.jpg

2 line above - Lobbs Hole SMNP.jpg

Jan 16
Network Update

Peak demand is forecast at around 8400 MW with reserve supply of around 4400 MW.

 All lines are in service except:

  • U3 line – 330kv feeder line from Upper Tumut substation to the Snowy Hydro power station's switch yard. Crews have completed line assessment and are finalising work scope for repairs.  
  • 2 line from the Upper Tumut substation to Yass. Insulator repairs on three of six structures have been completed. Work will continue tomorrow.
  • 993 line (wood pole) 132kv from Gadara to Wagga Wagga is non-operational. The make safe work has been completed and five new steel structures have been delivered to sites. Work will continue tomorrow.

The Upper Tumut substation is operational and normal supply arrangements from Snowy Hydro Limited have been restored.


Jan 15
Network Update

Peak demand is forecast at around 9300 MW with reserve supply of around 4500 MW.

 All lines are in service except:

  • U3 line – 330kv feeder line from Upper Tumut substation to the Snowy Hydro power station's switch yard.
  • 2 line from the Upper Tumut substation to Yass.
  • 993 line (wood pole) 132kv from Gadara to Wagga Wagga is non-operational.

Heavy smoke from bush fires in the region has prevented safe access and repairs. 


Jan 14
Bush Fires Report

Peak demand is forecast at around 9,438 MW with reserve supply of around 4,451 MW. 

All lines are in service except:
  • U3 line – 330kv feeder line from Upper Tumut substation to the Snowy Hydro power station’s switch yard. Crews have been deployed to remove fallen trees and debris from access tracks to facilitate inspection and repairs.

  • 2 line from the Upper Tumut substation to Yass. Crews have commenced replacement of insulators and related repairs. There are 20 people currently deployed on line work.

  • 993 line (wood pole) 132kv from Gadara to Wagga Wagga is non-operational. Crews are continuing to work on making it safe for access and repairs.

Jan 13
Network Update

Peak demand is forecast at around 8,660 MW with reserve supply of around 5,300 MW.

 All lines are in service except:

  • U3 line – 330kv feeder line from Upper Tumut substation to the Snowy Hydro power station's switch yard.
  • 2 line from the Upper Tumut substation to Yass. Crews have commenced repairs.
  • 993 line (wood pole) 132kv from Gadara to Wagga Wagga is non-operational. The line was inspected by helicopter yesterday and crews have commenced repairs.

Current status of transmission other assets in the Snowy region

  • The Upper Tumut substation is fully operational. It is operating on battery supported by diesel generation, with fuel being replenished as required.

 


Jan 13
New images

​Photo from 12 January 2020. Our crew going through their morning tool box meeting prior to starting work on the 993 line, which was damaged by bush fires on 4 January 2020. 

Site Induc Sunday.jpg


Our team in Yass preparing the repair process to our damaged assets around the Tumut area. 

transmission line repair planning in Yass.jpg

Jan 13
New images

TransGrid crews working on damaged wooden poles on the 993 line between Gadara and Wagga Wagga. 

IMG_0083.jpg

IMG_0089.jpg

Jan 12
Network Update

Peak demand is forecast at 7,711 MW with reserve supply of around 5,700 MW.

 All lines are in service except:

  • U3 line – 330kv feeder line from Upper Tumut substation to the Snowy Hydro power station's switch yard.
  • 2 line from the Upper Tumut substation to Yass. Crews are being mobilised to conduct repairs today.
  • 993 line (wood pole) 132kv from Gadara to Wagga Wagga is non-operational. Line inspected by helicopter yesterday. We are liaising with RFS to gain safe access to continue repairs.

Current status of transmission other assets in the Snowy region

  • The Upper Tumut substation is fully operational, operating on battery supported by diesel generation with fuel being replenished as required.


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