World News – AU – NSW to receive first ‘Big Battery’ with support from ARENA


Transgrid is on track to improve the reliability and stability of the NSW electricity grid after securing federal and state funding to install a $ 61 9 million large battery in its Wallgrove substation in western Sydney

The Wallgrove Grid Battery project will test the use of a 50 MW / 75 MWh lithium-ion battery – designed and built by Tesla – to provide fast frequency response and synthetic inertia services to the transmission grid NSW

TransGrid’s Executive Director of Strategy, Innovation and Technology Eva Hanly said that with increasing levels of grid-connected renewable energy production, the battery will help stabilize and balance the region’s network

« TransGrid is committed to finding innovative low-cost solutions to the emerging challenges of energy transformation, » she said

« This will be the first NSW farm to drive grid-wide synthetic inertia as a network service

« This is a step forward for the NSW grid and the National Electricity Market (NEM) This innovation will help accelerate the industry’s transformation towards a low carbon energy system, at a cost less for customers »

Economic analyst HoustonKemp has estimated that the battery, the first large-scale grid battery to be installed in the state, will provide up to $ 135 million in direct benefits to NSW electricity customers

The Federal Government, through the Australian Renewable Energy Agency (ARENA), will provide $ 11.5 million for the installation of the battery and the NSW government will provide $ 10 million in funding

ARENA CEO Darren Miller said the Wallgrove project aims to prove that large-scale battery storage is the most efficient solution to managing system inertia as Australia shifts to energies renewable

« Large-scale batteries have an important role to play in strengthening and balancing our power system as we move towards a future energy mix with higher penetration of renewables, » he said. he declared

The power system currently relies on the inertia provided by large turbines inside coal, gas and hydroelectric generators to maintain a constant frequency and help the system overcome disturbancesAs wind and solar generation connect to the grid and coal-fired generators are phased out, other sources of inertia will be needed to stabilize the grid.

Miller said that batteries offer a solution to this challenge at a small fraction of the cost of traditional technologies such as synchronous condensers

« The Wallgrove Grid Battery will demonstrate the technical capability of batteries with advanced inverter capabilities to replace traditional inertia, » he said

« In doing so, TransGrid will demonstrate that batteries can provide the most cost effective solution for NSW’s next expected inertia deficit »

The Wallgrove Grid Battery will be Australia’s second largest – after Hornsdale’s large battery which was recently expanded to 150MW / 194MWh – and will be the country’s first to use Tesla’s Megapack technology

Tesla described the Megapack as the world’s largest and densest battery system with giga-scale capacity The modular system requires 40% less space and Tesla claims it can be built 10 times faster than other systems

TransGrid will own and maintain the Wallgrove Grid battery and commercial operations are expected to begin in the second half of 2021

The battery will be shipped by Infigen Energy, which also operates the Lake Bonney large battery in South Australia

Managing Director Ross Rolfe said Infigen will market the battery to the wholesale market and the Auxiliary Frequency Control Service (FCAS) markets, ensuring that the battery’s full capacity is used.

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TransGrid, Energy Storage, Tesla, Inc, Australia, Government of New South Wales

Global News – AU – NSW to get first ‘big battery’ with the support of ARENA



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