Australia’s energy sector, followed closely

Energy Supply Australia is an independent publication about the Australian energy system — the grid, the market, and the companies driving the transition. We cover power, wind, solar, nuclear, gas and storage the way people inside the industry actually talk about them: with the numbers left in, the jargon taken out, and no press releases dressed up as news. If it changes how the country makes, moves or pays for energy, we’re writing about it.

Alinta Energy: the quiet giant still burning coal Companies

Alinta Energy: the quiet giant still burning coal

Roughly 1.1 million customers. A coal station that was supposed to close years ago. A Hong Kong billionaire as ultimate owner. And a retail business that competes in two of…

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AGL Energy: coal’s biggest landlord trying to check out early
Companies

AGL Energy: coal’s biggest landlord trying to check out early

Around 9,400 megawatts. That is roughly the combined thermal capacity AGL Energy has operated across Loy Yang A…

By Marcus Wren · 18 Jul 2026
The Safeguard Mechanism and heavy industry: who’s actually paying
Policy & Markets

The Safeguard Mechanism and heavy industry: who’s actually paying

Around 215 facilities. That is the number of sites currently covered by Australia's reformed Safeguard Mechanism — the…

By Marcus Wren · 18 Jul 2026
AGL versus Origin: two gentailers, two very different bets
Policy & Markets

AGL versus Origin: two gentailers, two very different bets

Roughly $4 billion. That is the combined capital expenditure both companies have flagged for their respective transition programmes…

By Marcus Wren · 17 Jul 2026
SunCable’s Australia-Asia PowerLink: where things stand in 2026
Solar Power

SunCable’s Australia-Asia PowerLink: where things stand in 2026

Roughly 4,200 kilometres of high-voltage direct-current subsea cable. A solar farm in the Northern Territory that would cover…

By Priya Nair · 16 Jul 2026
Akaysha Energy: BlackRock’s big battery bet on the NEM
Companies

Akaysha Energy: BlackRock’s big battery bet on the NEM

Three hundred and fifty megawatts. That is the nameplate power capacity of the Waratah Super Battery, the New…

By Anjali Rao · 16 Jul 2026
Does Australia actually need nuclear power?
Policy & Markets

Does Australia actually need nuclear power?

Fourteen years. That is the shortest credible timeline any serious analyst has put on a first Australian nuclear…

By Marcus Wren · 15 Jul 2026

Companies

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Alinta Energy: the quiet giant still burning coal
Companies

Alinta Energy: the quiet giant still burning coal

Roughly 1.1 million customers. A coal station that was supposed to close years ago. A Hong Kong billionaire…

By Marcus Wren · 21 Jul 2026
GE Vernova in Australia: turbines, warranty trouble and a thinning market
Companies

GE Vernova in Australia: turbines, warranty trouble and a thinning market

Sixty-four turbines. That was the original plan for Tilt Renewables' Rye Park Wind Farm in southern New South…

By Callum Hayes · 20 Jul 2026
Snowy Hydro: government giant, contested projects, uncertain returns
Companies

Snowy Hydro: government giant, contested projects, uncertain returns

Snowy 2.0 has been under construction since tunnelling began in earnest in 2021, and five years on, Australians…

By Anjali Rao · 19 Jul 2026

Solar

More Solar →
Australia’s Consumer Energy Resources roadmap: what it means on the ground
Solar Power

Australia’s Consumer Energy Resources roadmap: what it means on the ground

Somewhere around 3.6 million Australian households now have rooftop solar. That number has been cited so often it's…

By Priya Nair · 21 Jul 2026
SunCable’s Australia-Asia PowerLink: where things stand in 2026
Solar Power

SunCable’s Australia-Asia PowerLink: where things stand in 2026

Roughly 4,200 kilometres of high-voltage direct-current subsea cable. A solar farm in the Northern Territory that would cover…

By Priya Nair · 16 Jul 2026
Solar-Powered Air Conditioning in Australia
Air Conditioning

Solar-Powered Air Conditioning in Australia

In Australia, as energy costs increase and temperatures rise, more businesses and households are seeking more efficient, sustainable…

By Priya Nair · 8 May 2026

Grid & Storage

More Grid & Storage →
Snowy Hydro: government giant, contested projects, uncertain returns
Companies

Snowy Hydro: government giant, contested projects, uncertain returns

Snowy 2.0 has been under construction since tunnelling began in earnest in 2021, and five years on, Australians…

By Anjali Rao · 19 Jul 2026
Akaysha Energy: BlackRock’s big battery bet on the NEM
Companies

Akaysha Energy: BlackRock’s big battery bet on the NEM

Three hundred and fifty megawatts. That is the nameplate power capacity of the Waratah Super Battery, the New…

By Anjali Rao · 16 Jul 2026
Queensland’s energy plan: pumped hydro and public ownership
Grid & Storage

Queensland’s energy plan: pumped hydro and public ownership

Borumba Dam sits about 90 kilometres northwest of the Sunshine Coast, in the Imbil State Forest. It's not…

By Anjali Rao · 15 Jul 2026

Policy & Markets

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Alinta Energy: the quiet giant still burning coal
Companies

Alinta Energy: the quiet giant still burning coal

Roughly 1.1 million customers. A coal station that was supposed to close years ago. A Hong Kong billionaire…

By Marcus Wren · 21 Jul 2026
Why wholesale electricity prices swing so violently
Policy & Markets

Why wholesale electricity prices swing so violently

Negative $1,000 per megawatt-hour at noon. Positive $15,000 per megawatt-hour by six in the evening. Same grid, same…

By Marcus Wren · 19 Jul 2026
AGL Energy: coal’s biggest landlord trying to check out early
Companies

AGL Energy: coal’s biggest landlord trying to check out early

Around 9,400 megawatts. That is roughly the combined thermal capacity AGL Energy has operated across Loy Yang A…

By Marcus Wren · 18 Jul 2026

The desk

Energy Supply Australia is written by a small team that covers the grid, the market and the companies building the transition. No wire copy, no press releases dressed up as news.

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