Australia expands large-scale battery projects as energy sector pivots toward renewables

Australia is seeing a boom in battery storage investments, with major new facilities planned to stabilize renewable energy use amid uncertainty over future energy policies.

Josh Brine reports for ABC News.


In short:

  • Pacific Green is leading development on what will be South Australia's largest battery storage facility, projected to store up to 60& of the state's residential solar energy.
  • New large-scale battery projects are also planned across Victoria and Western Australia, with construction of the Portland Energy Park expected in 2026.
  • Experts warn that political shifts, especially after federal elections, could introduce risk for investors in renewable energy infrastructure.

Key quote:

"The benefits can be ultimately passed on to consumers through lower volatility in the market and therefore lower retail prices."

— Joel Alexander, managing director of Pacific Green Australia

Why this matters:

Australia's rapid push toward net-zero emissions hinges on the ability to store intermittent renewable energy. Battery systems are now emerging as a cornerstone of this transition. These massive batteries absorb excess solar and wind power during the day and release it at night or when the wind isn’t blowing. The strategy mimics efforts in California and Texas, where battery installations have started to curb reliance on fossil fuels. Unlike traditional power plants, batteries can be installed quickly and flexibly. At the same time, Australia’s power grid must keep pace with surging rooftop solar adoption and prevent blackouts or price spikes. But changes in government energy priorities can scare off private investment. If big batteries fall victim to policy swings, the grid could lose a critical bridge to a cleaner, more stable energy future.

Read more: Big batteries are cutting emissions and reshaping the grid

A row of wind turbines alongside a field

The real economic impact of clean energy

US energy chief Chris Wright claims that renewable energy is dragging down Europe's economy. Is that true?
Power plant with smoke and dirty orange air.
Credit: Mikhail Dudarev/BigStock Photo ID: 14021453

Study: 2025 emissions rise due to Trump-era policies

Emissions of sulfur dioxide increased by 18% in 2025, according to an analysis of U.S. Environmental Protection Agency data by the Natural Resources Defense Council, an environmental advocacy group.

The U.S. capitol building

Trump's climate silence at the longest-ever State of the Union

The president’s far-reaching speech ignored climate change but not its impacts.
Illustration depicting pumpjacks vs solar panels & wind turbines
Credit: MIRO3D/BigStock Photo ID: 147195269

The culture war is coming for your electricity

Utah Republicans are calling for an energy "divorce" from blue states. A major utility just granted part of their wish.
Portable balcony solar panel

Balcony solar is taking state legislatures by storm

In more than half of U.S. states, Republican and Democratic lawmakers have introduced legislation that would boost adoption of DIY solar systems.
A closeup of pieces of wheat bread

Breadcrumbs (literally) lay path away from fossil fuels

Researchers have developed a carbon-negative method for hydrogenation that uses bacteria fed on waste bread to generate hydrogen for chemical reactions.

Refinery and petrochemical industrial plant
Credit: Tee Theerapol/BigStock Photo ID: 60783539

An oil refinery defined life in this quaint California city. What happens when it’s gone?

For decades, the Valero refinery shaped Benicia’s economy, politics and health. Now the city has become a reluctant test case of whether an oil town can reinvent itself
From our Newsroom
Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

One facility has emitted cancer-causing chemicals into waterways at levels up to 520% higher than legal limits.

Regulators are underestimating health impacts from air pollution: Study

Regulators are underestimating health impacts from air pollution: Study

"The reality is, we are not exposed to one chemical at a time.”

Pennsylvania governor Josh Shapiro speaks with the state flag and American flag behind him.

Two years into his term, has Gov. Shapiro kept his promises to regulate Pennsylvania’s fracking industry?

A new report assesses the administration’s progress and makes new recommendations

silhouette of people holding hands by a lake at sunset

An open letter from EPA staff to the American public

“We cannot stand by and allow this to happen. We need to hold this administration accountable.”

wildfire retardants being sprayed by plane

New evidence links heavy metal pollution with wildfire retardants

“The chemical black box” that blankets wildfire-impacted areas is increasingly under scrutiny.

Stay informed: sign up for The Daily Climate newsletter
Top news on climate impacts, solutions, politics, drivers. Delivered to your inbox week days.