Queensland – New South Wales Interconnector

Queensland – New South Wales Interconnector
Queensland – New South Wales Interconnector
Location
Country	Australia
State	New South Wales; Queensland
General direction	south-north–south
From	Armidale
Passes through	Dumaresq; Bulli Creek; Braemar
To	Tarong
Ownership information
Operator	TransGrid; Powerlink Queensland
Construction information
Commissioned	2001
Technical information
Type of current	AC
Power rating	700 MW (NSW to Queensland); 1,200 MW (Queensland to NSW)
AC voltage	330 kV (Armidale–Dumaresq–Bulli Creek–Braemar); 275 kV (Braemar–Tarong)
No. of circuits	2

The Queensland – New South Wales Interconnector (QNI) is a 330 kV AC interconnection between New South Wales and Queensland, Australia.
The link was commissioned in 2001. It consisted of double-circuit 330 kV lines between Armidale, Dumaresq, Bulli Creek and Braemar and a double-circuit 275 kV line between Braemar and Tarong.^[1]
There is an additional 330kV Dual Circuit to complement the QNI from Bulli Ck Switching Station (27°55'15.8"S 150°50'34.8"E) via Millmerran Power Station & Switching Stations (27°57'53.7"S 151°16'26.9"E) to Middle Ridge Switching Station & 330/275/110kV Sub, South of Toowoomba (27°37'22.2"S 151°56'43.0"E).
The original maximum transfer capacity was 300 to 350 MW in both directions. This has been progressively increased to 700 MW from New South Wales to Queensland and 1,200 MW from Queensland to New South Wales.^[2]
The interconnector is operated by TransGrid and Powerlink Queensland.

References[]

^ Blake, Ben (2014). Interconnector capabilities for the national electricity market. Australian energy Market Operator (published July 2014). p. 6.
^ Project assessment conclusions report—development of the Queensland NSW Interconnector. Powerlink Transgrid. 13 November 2014. p. 16.

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[1] Blake, Ben (2014). Interconnector capabilities for the national electricity market. Australian energy Market Operator (published July 2014). p. 6.

[2] Project assessment conclusions report—development of the Queensland NSW Interconnector. Powerlink Transgrid. 13 November 2014. p. 16.

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