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Assets

Responsible management of our assets for today and tomorrow

As electricity demands change across Australia, there's an increasing need for more flexible generation, from diverse sources and locations.

A leader in energy generation

AGL operates the largest electricity generation portfolio within the National Electricity Market (NEM) of any ASX-listed company. Our portfolio comprises coal and gas-fired generation, renewable energy sources such as wind, hydro and solar, batteries and other firming technology, and gas production and storage assets.

We're building on our history as one of Australia’s leading private investors in the construction of renewable energy projects and owner of the largest privately owned fleet of hydro assets in Australia, to now be a leader in the business of transition to a lower emissions, affordable and smart energy future in line with the goals of our Climate Transition Action Plan.

Transitioning our energy portfolio

As well as bringing forward the closure timeframes for our coal assets by up to ten years, AGL has an ambition to deliver 12 GW of new renewable and firming capacity by the end of 2035. 

We’re also continuing to review market dynamics, customer demand and development pipeline options, and we’ll seek to accelerate options and the decarbonisation pathway where possible. 

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Sourcing our energy and firming

As we transition our energy portfolio, we're sourcing the required energy and firming to meet our customer energy demand through a combination of self-development and external project options via partnerships and third-party offtakes.


We’ve already completed the 250 MW Torrens Island Battery and the 50 MW Broken Hill Battery, and we plan to continue to build this pipeline to enable options to be exercised as needed depending on the policy environment, economic environment, and portfolio and customer needs.

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Leading a safe and responsible transition

Delivering one of Australia’s most significant decarbonisation initiatives also means leading a safe and responsible transition for our people, customers and the communities in which we operate. 

Reliable and efficient plant operations

With the changing nature of electricity demand across Australia, there's an increasing need for more flexible generation and generation from a diverse range of sources and in a range of locations. Firming assets, such as battery storage and pumped hydro and gas peaking plants, can start at short notice and ramp up and down quickly, making them an excellent complement to higher levels of variable renewable generation such as wind and solar.

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Flexible generation will be critical

While it may only be required for brief periods, flexible generation will be critical to maintain system reliability and security. As the market operator has noted, renewable energy connected with transmission and distribution, firmed with storage, and backed up by gas-fired generation, is the lowest-cost way to supply electricity to homes and businesses through Australia’s transition to a net zero economy.

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Investing in flexibility

We are making significant investments in flexibility, including investing in grid-scale batteries, growing distributed energy and orchestration assets, and increasing thermal unit flexibility. 
 

We recognise that the flexibility, availability and reliability of our current generation fleet will be crucial to help fund the transition of our business. Our ability to flex our thermal fleet also enables us to manage the impacts of lower customer demand, for example during periods of peak solar generation.

Repurposed infrastructure (energy hubs)

Transforming our existing thermal sites in the Latrobe Valley, Hunter Valley and Torrens Island into integrated energy hubs is an important part of our strategy to support regional diversification, providing new jobs and skills development opportunities for communities in which we operate.

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Circular economy principles

These energy hubs will leverage the unique infrastructure, land, transport access, and grid connectivity at our sites to integrate renewable energy, grid-scale batteries, and modern manufacturing and recycling precincts, and are planned with circular economy principles at the forefront.

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Progress on site transformation

We're making significant progress with transforming our thermal sites into integrated energy hubs, including reaching a final investment decision on a 500 MW grid-scale battery at the Hunter Energy Hub. This is supported by a $35 million grant awarded by ARENA and a Long-Term Energy Service Agreement (LTESA) arranged by AEMO Services and funded by the New South Wales Government.

Learn more about the Hunter Energy Hub
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Our energy assets

We operate a diverse portfolio of assets across Australia.

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Our stories

Broken Hill grid-scale battery

Our Broken Hill grid-scale battery energy storage system has been operational since August 2024. The 50 MW, one-hour lithium-ion battery plays a crucial role in supporting renewable energy supply. It’s one of several grid-scale batteries in our battery portfolio providing essential energy storage for the National Electricity Market. It’s also an important part of our ambition to add 12 GW of new generation and firming by the end of 2035 as we transition our energy portfolio.

Asset data and reporting

Find data on the performance of our assets in our ESG Data Centre.

ESG Data Centre

Our asset policies