The energy storage targets will include short, medium and long duration energy storage systems, allowing energy to be moved around during the day to meet demand and to be supplied through longer duration imbalances.
Short and medium duration storage (< 8 hours) will include grid-scale batteries and household batteries that are aggregated to operate as virtual power plants. Long duration storage (> 8 hours) may include for example pumped hydroelectricity generation, long-duration battery systems and other emerging technologies like compressed air storage and molten salts.
Non-aggregated household batteries provide flexibility to store excess energy generated, allowing the property owner to then utilise it in the evening or when the sun is not shining. However, these systems are not set up to dispatch energy or services to the National Electricity Market and therefore they will not contribute to the energy storage targets.
The firm capacity delivered by Victoria’s energy storage targets will provide reliable, affordable and clean energy as Victoria’s ageing and increasingly unreliable coal generation is replaced with new renewable energy.
For 2023/24, renewable energy was 37.8% of Victoria’s electricity generation – and we’ve closed out the financial year with a pipeline of projects that puts Victoria well on track to achieve our next goal of 40% renewable electricity by 2025.
Victoria’s electricity sector greenhouse gas emissions have fallen from around 60.3 million tonnes (Mt) of CO2-e in 2014/15 to around 38.7 Mt of CO2-e in 2023/24.
The strong pipeline of renewable energy and energy storage projects under construction or undergoing commissioning, combined with continuing strong investment in rooftop PV systems, has Victoria well placed to achieve its 2025 target of 40% renewable electricity generation and tracking well towards its 2030 energy storage target of at least 2.6 GW.
Cheaper, Cleaner, Renewable: Our Plan for Victoria''s Electricity Future outlines the actions we are taking to ensure our state achieves its renewable energy and storage targets.
The Victorian Renewable Energy Target auctions VRET1 and VRET2 help us meet our renewable energy targets by providing long-term contracts that create investment certainty to build new energy generation projects.
It is important that renewable energy developments deliver benefits for host communities. Our guide for developers outlines requirements to undertake respectful and considered engagement with host communities; as part of any project and deliver long-term benefits.
We acknowledge and respect Victorian Traditional Owners as the original custodians of Victoria’s land and waters, their unique ability to care for Country and deep spiritual connection to it. We honour Elders past and present whose knowledge and wisdom has ensured the continuation of culture and traditional practices.
We are committed to genuinely partner, and meaningfully engage, with Victoria’s Traditional Owners and Aboriginal communities to support the protection of Country, the maintenance of spiritual and cultural practices and their broader aspirations in the 21st century and beyond.
Victorian network operator AusNet Services'' independent subsidiary Mondo Power has completed the installation and commissioning of 17 stand-alone power systems featuring PV and battery energy storage as part of its inaugural trial of the off-grid technology.
Residents of remote parts of Tolmie, Swifts Creek, Ensay and Benambra in Victoria''s East Gippsland region are participating in the state''s first trial of stand-alone power systems (SAPS) with Ausnet investigating the use of the technology as part of its ongoing efforts to strengthen network efficiency and resilience.
The distributed network service provider said the SAPS, featuring a combination of solar, batteries and a back-up generator, offer an independent, reliable and renewable power supply solution to energy users in remote locations without the need to be connected to the network.
AusNet’s commercial arm, Mondo, said the trial units include ground-mounted solar panels, a battery energy storage system, and a back-up diesel generator. The self-sufficient units also include control hardware that allows electricity use to be tracked.
"We now have 17 systems successfully installed and operational across Victoria and look forward to seeing more homes and businesses benefiting from reliable and renewable energy," Mondo said.
The trial has prioritised residents in remote areas with a single-wire network connection. The targeted areas also are typically in bushfire and extreme-weather-prone zones where the poles and lines are often affected, leading to outages.
Mondo, which will be responsible for all the operation and maintenance of each stand-alone power system, said the SAPS aim to use solar energy as the primary source of electricity and have been designed with a large amount of battery storage to minimise generator usage and improve users'' energy resilience.
With the installation and commissioning of the first 17 SAPS now complete, Mondo and AusNet will monitor and evaluate the performance of the systems as part of the open-ended trial.
While the key benefit of SAPS is an improvement in resilience and reliability of supply for customers in hard-to-reach areas, AusNet said it expects all customers could enjoy cost savings as a result of it not having to repair and maintain remote parts of the distribution network.
Mondo said the SAPS are already providing benefits to the customers, including the increased uptake of renewables and increased resilience during severe weather events.
"As the trial continues, we are excited to observe and learn from each system and we look forward to leveraging our knowledge to implement more stand-alone power systems across Australia," the company said.
Previous regulations made it extremely difficult to deploy SAPS in the National Electricity Market (NEM) but those regulations have now been amended, paving the way for broader roll out of the technology in the NEM jurisdictions of Queensland, New South Wales, the Australian Capital Territory, Victoria, South Australia, and Tasmania.
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