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Wednesday, December 24, 2025
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Wednesday, December 24, 2025
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Latest Chart of the day
Chart of the day
Wind, solar and batteries smash output records in midst of pre-Christmas heatwave
Near-record demand creates important window into how much renewable capacity is available across the system when load is high.
Geoff Eldridge
Dec 19, 2025
3
Chart of the day
Wanted, more batteries as abundant wind and solar hit record curtailment levels
Abundance defines the day as wind and solar curtailment hits new peaks, accounting for more than 90 per cent of one state’s demand. More batteries then.
Giles Parkinson
Dec 15, 2025
3
New
Chart of the day
Rooftop solar and batteries on centre stage: Six key graphs from AEMO’s transition roadmap
A quick graphic summary of AEMO’s transition blueprint. Less transmission than you have been told, less gas, less wind, more batteries and a lot of rooftop PV.
Giles Parkinson
Dec 12, 2025
3
Commentary
What’s wrong with this chart? A short case study in graphical misinformation
An article about wind droughts published on the front page of the Weekend Australian is not quite the “gotcha” moment author Chris Uhlmann claims.
Allan O’Neil
Dec 9, 2025
6
Chart of the day
Big batteries hit more than 40 pct of early morning demand, before rooftop PV floods the grid
Big batteries dominate early morning peak with 40.6 of demand because prices too low for gas and as rooftop PV floods the grid for rest of day.
Geoff Eldridge
Dec 8, 2025
9
All Chart of the day
New
Chart of the day
Wind, solar and batteries smash output records in midst of pre-Christmas heatwave
Near-record demand creates important window into how much renewable capacity is available across the system when load is high.
Geoff Eldridge
Dec 19, 2025
3
New
Chart of the day
Wanted, more batteries as abundant wind and solar hit record curtailment levels
Abundance defines the day as wind and solar curtailment hits new peaks, accounting for more than 90 per cent of one state’s demand. More batteries then.
Giles Parkinson
Dec 15, 2025
3
New
Chart of the day
Rooftop solar and batteries on centre stage: Six key graphs from AEMO’s transition roadmap
A quick graphic summary of AEMO’s transition blueprint. Less transmission than you have been told, less gas, less wind, more batteries and a lot of rooftop PV.
Giles Parkinson
Dec 12, 2025
3
New
Commentary
What’s wrong with this chart? A short case study in graphical misinformation
An article about wind droughts published on the front page of the Weekend Australian is not quite the “gotcha” moment author Chris Uhlmann claims.
Allan O’Neil
Dec 9, 2025
6
New
Chart of the day
Big batteries hit more than 40 pct of early morning demand, before rooftop PV floods the grid
Big batteries dominate early morning peak with 40.6 of demand because prices too low for gas and as rooftop PV floods the grid for rest of day.
Geoff Eldridge
Dec 8, 2025
9
New
Chart of the day
Australia tops 50 pct renewables again, but its biggest isolated grid did better with 55 pct wind and solar: Here’s how
Australia’s main grid reached 50% renewables for second month in a row, but in W.A. – the world’s biggest isolated grid – the result was even better.
Giles Parkinson
Dec 4, 2025
12
New
Chart of the day
Big batteries overtake peaking gas generators on Australia’s main grid for first time
Big battery dispatch overtook peaking gas generators for the first time on the main grid in November, and will rapidly grow to be the dominance player in the market.
Giles Parkinson
Dec 3, 2025
8
New
Chart of the day
South Australia averages 100 pct wind and solar over week, 90 pct over last 28 days
Wind and solar production beat state demand needs over last week in South Australia, and provide an average 90 pct over the last month.
Giles Parkinson
Dec 2, 2025
11
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