Fact-checking the claim that Australian coal is clean

Published by

IEEFA

We’re seeing an increasing number of boastful assertions by Australian politicians that Australian coal is environmentally friendlier than other coal.

It’s not true—and we’ve published a fact sheet here that gets into the weeds of it—but one illuminating comparison can be found when you stack Australian benchmark thermal coal up next to coal from Indonesia, the world’s largest exporter of thermal coal. Australian thermal coal is higher in energy content, true, but its ash content is double Indonesia’s export-coal average.

Further to this point, Australia has historically developed its best coal resources first, such that the average quality of coal from new mines being proposed is declining with time. As a result, the Australian benchmark for coal is gradually giving way to a lower-quality, secondary benchmark, one that produces 10 percent less energy and almost twice the ash.

Adani’s proposed Carmichael mine, which would purportedly supply India, would produce coal only about 10 percent better than the average quality of domestic Indian thermal coal in terms of energy content. This comparison doesn’t take into consideration the environmental costs of transporting Australian coal to Indian ports. And Carmichael coal if compared to Russian, Indonesian or South African export coal is relatively “low energy, high ash.”

For countries truly seeking to limit the harmful effects of coal-fired power generation pollution, tighter emissions limits are key, a truth that is being embraced by nations as disparate as the U.S. and China.


China has required all coal-fired power plants to be retrofitted with emissions reduction technologies over the past four years. The U.S. EPA this year established expanded new rules on coal-plant emissions.

Australia has studiously avoided similar initiatives—damaging its global standing and putting its own long-term economic health at risk. The fact is, Australia has the most emissions-intensive coal-fired power generation fleet in the world, worse even than India’s, and it’s nothing to brag about.

Tim Buckley is IEEFA’s director of energy finance studies, Australasia.

Source: IEEFA. Reproduced with permission.

Tim Buckley, Director, Climate Energy Finance (CEF) has 30 years of financial market experience covering the Australian, Asian and global equity markets from both a buy and sell side perspective.

Tim Buckley

Tim Buckley, Director, Climate Energy Finance (CEF) has 30 years of financial market experience covering the Australian, Asian and global equity markets from both a buy and sell side perspective.

Share
Published by

Recent Posts

Troubled offshore wind farm completes construction in US – first to do so since Trump’s return to power

Two offshore wind farms being built in US waters have marked huge milestones, with one…

18 March 2026

Reversion to the mean: Corporate PPA market cools, but still packs a punch

After a record 2024 in which the corporate PPA market hit a new peak breaking…

18 March 2026

Australia’s coal plants chalked up 108 outages over summer – 90 of them unplanned

Affordable reliable energy? New report reveals Australia's remaining coal plants went at least partly offline…

18 March 2026

Stand-alone big battery seals landmark offtake deal with “non-traditional” Danish newcomer

Big battery project under construction in NSW has sealed a "landmark" long-term offtake deal worth $200…

18 March 2026

GridBeyond adds South Korea tech giant to growing list of backers, in $A20 million fundraising round

Global energy optimisation outfit closes €12 million fundraising round after luring a range of heavy…

18 March 2026

AEMO is a product of the 90s. Its governance needs to reflect the world we’re in now

AEMO governance review is a rare starting point for big questions about Australia’s energy market…

18 March 2026