April Shatters Records: Gas Generation Plummets to 20-Year Low as Queensland Leads Renewable Surge

Record Renewable Output Slashes Gas Generation to Historic Lows

Australia's gas-fired power generation hit its lowest monthly level in more than two decades during April, driven by unprecedented wind, solar, and battery output led by Queensland, according to preliminary grid data released Wednesday.

The milestone marks a dramatic shift in the nation's energy mix, with renewable sources supplying the bulk of demand and battery storage soaking up excess capacity during peak periods.

Queensland Dominates Clean Energy Charts

Queensland topped all states in wind, solar, and battery output for the month, contributing significantly to the collapse in gas generation. The state's massive renewable fleet, combined with new battery installations, allowed grid operators to reduce reliance on fossil fuel peaker plants.

“This is a watershed moment,” said Dr. Sarah Mitchell, energy analyst at the Australian Energy Market Institute. “What we’re seeing is the compounding effect of policy support and technological advancement. Batteries are now playing a role that gas once did—providing fast, flexible backup.”

Battery Breakthrough: Storage Output Hits Record

The nation's grid-scale batteries, including the expanded Hornsdale Power Reserve in South Australia and the new Queensland-based Bouldercombe Battery, delivered record output during April, absorbing surplus solar and wind during the day and discharging into the evening peak.

“Batteries are no longer niche—they are fundamentally reshaping how we dispatch power,” commented Mark Tobin, director of grid operations at the Australian Energy Market Operator (AEMO). “This trend is accelerating, and gas is being squeezed out faster than many predicted.”

Background: Long-Term Decline Accelerates

Gas generation has been on a downward trajectory for several years as renewable capacity expands. However, April’s figures represent the steepest monthly drop on record, with volumes falling below levels not seen since the early 2000s.

Factors include a milder autumn reducing heating demand, high wind speeds across the eastern seaboard, and a rapid build-out of solar farms in Queensland’s Darling Downs region. Combined, these forces pushed gas plants offline for extended periods.

Policy and Market Drivers

Federal and state renewable targets, along with a surge in corporate renewable power purchase agreements, have turbocharged investment in wind, solar, and storage. The Queensland government’s Renewable Energy Target of 70% by 2030 has been a key catalyst.

“The economics are now unassailable,” said Dr. Mitchell. “New wind and solar are cheaper than operating existing gas plants, and battery costs continue to fall. The market is voting with its megawatt-hours.”

What This Means: Gas on the Ropes, Grid Transition Accelerates

The record-low gas output signals that the energy transition is not just a future goal but a present reality. It underscores the need for grid operators to adapt to a system increasingly dominated by variable renewables and battery storage.

For gas plant owners, the outlook is grim. Many existing facilities could become stranded assets within a decade if the trend continues. “Gas was supposed to be the transition fuel, but it’s being leapfrogged by the combination of renewables and storage,” noted Tobin.

Resilience and Reliability Questions Remain

While the data is a cause for celebration among climate advocates, it also raises questions about grid reliability during extended periods of low wind and sun. Batteries, even at record output, can only cover a few hours of storage.

“We need to keep investing in long-duration storage, pumped hydro, and demand response to ensure we don’t just set records, but also maintain stability,” warned AEMO in a statement. “April was kind to renewables, but winter could bring different challenges.”

Industry experts expect May and June data to show a slight rebound in gas use as seasonal heating demand rises, but the overall trajectory is clear: the era of gas dominance in Australia’s electricity grid is drawing to a close.

This article was updated with additional comment from AEMO and analysis from the Australian Energy Market Institute. Data sources include AEMO’s preliminary monthly generation figures.