Queensland Government-owned power generator Stanwell has revealed plans to build a massive 1.45GW/2.9GWh battery storage system alongside Stanwell coal-fired power station in central Queensland. Queensland as the state government seeks to increase energy storage capacity to support the transition to renewables.
State government-owned energy company Stanwell is advancing plans to develop a large-scale, stand-alone battery with combined 1.45GW/2.9GWh energy storage next to its power plant Stanwell Coal near Rockhampton in central Queensland. Stanwell said the battery would support continued investments in renewable energy and help maintain system security and reliability.
A material change of use application has been lodged with Rockhampton County Council on behalf of Stanwell, which owns and operates coal-fired power stations at Stanwell and Tarong, for a new battery energy storage system at the utility scale (BESS).
According to the planning report, the BESS would be installed on a 12-hectare site near Stanwell Power Station and would be built in two stages. The first stage would involve the installation of lithium-ion batteries with an output of 150MW/300MWh, while the second stage could use lithium-ion or flux battery technology with an output of up to 1,300 MW/2,600 MWh.
Stanwell, which is also progressing with plans to develop a 150 MW/300 MWh battery adjacent to the Tarong The power station site near Nanango in South Burnett, said it was looking to develop a profitable, high-quality portfolio of renewable energy and energy storage assets to support its long-term strategy. of providing low-emission solutions to commercial and industrial retail businesses. clients.
“As a business, we are exploring a range of future energy solutions to ensure we are in the best possible position to respond to market developments,” the company said. “We are exploring a range of opportunities to integrate technologies into our asset portfolio, including hydrogenenergy storage, wind, solar and bioenergy.
The government-owned generator said the large-scale BESS will play an increasingly important role in the National Electricity Market (NEM) as it transitions to a predominantly renewable energy system. “Energy storage will be critical as it facilitates the integration of renewables into the energy system by storing electricity generated by wind and solar and supplying it to the market when needed,” he said. -he declares.
The first stage of the Stanwell battery would incorporate lithium-ion technology. The report, filed by Brisbane-based design and engineering firm Aurecon, says the Stanwell Battery will be able to store electrical energy from the NEM and export it to it. “The project will store electricity during periods of high supply and/or low utilization and provide electricity during critical peak hours enabling reliable and affordable energy supply during these periods,” the report states.
The BESS will also provide Frequency Control Auxiliary Services (FCAS) to the NEM, helping to ensure that power supply and demand match at all times. “By acting as a load during peak periods of solar generation and providing energy services that support system stability, the BESS will support the deployment of renewable energy generation in the NEM,” the report states.
Stanwell Battery is to be built on a site adjacent to Stanwell Power Station, approximately 28 kilometers south-west of Rockhampton. Stanwell said the location of the battery storage on the site would allow it to capitalize on existing land and connection infrastructure with the proposed BESS to connect to the adjoining distribution substation of Queensland network operator Powerlink. via a 275 kV transmission line.
Although no timetable for the project was detailed in the planning report, Stanwell previously indicated that it would likely go live in 2024, although the report acknowledged that the project remains subject to approvals.
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