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.

Solar Power

Home battery payback: does it stack up yet

A client in Brunswick sent me her retailer's battery quote last week with a one-line message: "This says 6.2 years. Does that sound right to you?" It didn't. Not because…

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Rooftop solar versus a home battery: which pays back first
Solar Power

Rooftop solar versus a home battery: which pays back first

A client in Alphington rang me last month wanting a quote for a 10kWh battery to bolt onto…

By Priya Nair · 12 Nov 2026
Eraring at 2027: the deal that bought NSW two more winters
Fossil Fuels & Gas

Eraring at 2027: the deal that bought NSW two more winters

2,880 megawatts. That's the nameplate on Eraring, which makes it the biggest coal plant in the National Electricity…

By Tom Fitzgerald · 11 Nov 2026
The Coalition’s nuclear plan: the cost and timeline maths
Fossil Fuels & Gas

The Coalition’s nuclear plan: the cost and timeline maths

Seven sites, zero reactors under construction, and a policy that has now survived one federal election loss without…

By Tom Fitzgerald · 11 Nov 2026
Onshore versus offshore wind: the connection queue decides
Wind Power

Onshore versus offshore wind: the connection queue decides

I spent a morning last month going through the development application file for a tablelands wind project west…

By Callum Hayes · 10 Nov 2026
Rooftop solar, minimum demand and the midday problem
Solar Power

Rooftop solar, minimum demand and the midday problem

Just after 12:30pm on a clear Saturday in late October, operational demand on the South Australian grid dipped…

By Priya Nair · 10 Nov 2026
Waratah Super Battery: the shock absorber earning its keep
Grid & Storage

Waratah Super Battery: the shock absorber earning its keep

850 megawatts of power, 1,680 megawatt-hours of energy, sitting on a former coal ash site at Munmorah on…

By Anjali Rao · 9 Nov 2026

Companies

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AusNet after Brookfield: the wires owner building Western Renewables Link
Companies

AusNet after Brookfield: the wires owner building Western Renewables Link

Drive the Western Highway out past Bacchus Marsh and you'll start seeing the easements being cleared for steel…

By Anjali Rao · 14 Nov 2026
Powerlink’s CopperString bet: the wire to the north-west
Companies

Powerlink’s CopperString bet: the wire to the north-west

Mount Isa sits roughly 900 kilometres west of Townsville by road, and for as long as the mine…

By Anjali Rao · 13 Nov 2026
5B’s Maverick panels: prefab solar that skips the roof
Companies

5B’s Maverick panels: prefab solar that skips the roof

Walk a standard ground-mount solar farm under construction and you'll see crews on their knees for weeks, torquing…

By Priya Nair · 9 Nov 2026

Solar

More Solar →
Solar Power

Home battery payback: does it stack up yet

A client in Brunswick sent me her retailer's battery quote last week with a one-line message: "This says…

By Priya Nair · 15 Nov 2026
Rooftop solar versus a home battery: which pays back first
Solar Power

Rooftop solar versus a home battery: which pays back first

A client in Alphington rang me last month wanting a quote for a 10kWh battery to bolt onto…

By Priya Nair · 12 Nov 2026
Rooftop solar, minimum demand and the midday problem
Solar Power

Rooftop solar, minimum demand and the midday problem

Just after 12:30pm on a clear Saturday in late October, operational demand on the South Australian grid dipped…

By Priya Nair · 10 Nov 2026

Grid & Storage

More Grid & Storage →
Virtual power plants, explained
Grid & Storage

Virtual power plants, explained

AGL's latest investor update puts its virtual power plant fleet at something north of 200 megawatts of aggregated…

By Anjali Rao · 14 Nov 2026
AusNet after Brookfield: the wires owner building Western Renewables Link
Companies

AusNet after Brookfield: the wires owner building Western Renewables Link

Drive the Western Highway out past Bacchus Marsh and you'll start seeing the easements being cleared for steel…

By Anjali Rao · 14 Nov 2026
Powerlink’s CopperString bet: the wire to the north-west
Companies

Powerlink’s CopperString bet: the wire to the north-west

Mount Isa sits roughly 900 kilometres west of Townsville by road, and for as long as the mine…

By Anjali Rao · 13 Nov 2026

Policy & Markets

More Policy & Markets →
Is rooftop solar quietly breaking the grid?
Policy & Markets

Is rooftop solar quietly breaking the grid?

24 gigawatts. That's roughly where Australia's rooftop solar fleet sits now, spread across more than four million homes…

By Marcus Wren · 13 Nov 2026
Are we closing coal faster than we can replace it?
Policy & Markets

Are we closing coal faster than we can replace it?

Eight. That's how many coal units have left the NEM since 2022 across NSW, Victoria and South Australia,…

By Marcus Wren · 4 Nov 2026
NSW’s coal exit and the REZ rollout: a widening gap
Policy & Markets

NSW’s coal exit and the REZ rollout: a widening gap

Four coal units gone from the NSW grid since Liddell shut in 2023, and Eraring's exit still pencilled…

By Marcus Wren · 3 Nov 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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