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Rolling 12 month total battery discharge

Energy (GWh)
Month since first battery commencement
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Highest generation seen as a percentage of max generation of large wind farms

Wind farms shown are over 200MW and have started generating in the last 5 years.

Highest generation seen
Day since first generation
lynton.hoey@superpowerinstitute.com.au

Discharge of Queensland's largest batteries in June

Energy discharged
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Percent of days with a given gas usage in SA

Percent
scott.fairbanks@superpowerinstitute.com.au

WA’s coal decline has been filled by gas

WEM change in generation from May 2025 to May 2026

Energy (GWh)

Source: Open Electricity

scott.fairbanks@superpowerinstitute.com.au

Coal generation as a percentage of maximum capacity on daily lows

Source: Open Electricity

scott.fairbanks@superpowerinstitute.com.au

Battery discharge is overtaking gas peaker generation in the NEM

Average daily output from OCGT gas and batteries over the previous 365 days

Energy (GWh)

Source: Open Electricity

scott.fairbanks@superpowerinstitute.com.au

Where the wind blew: wind farm performance on 12 May 2026

capacity factor
1.3 77.2
Max Capacity (mw)
0.6
445.3
890.0

Source: Open Electricity

scott.fairbanks@superpowerinstitute.com.au

NSW battery discharge is running far ahead of previous years

Cumulative battery discharge in NSW

Energy Discharged (MWh)
Day of Year

Source: Open Electricity

lynton.hoey@superpowerinstitute.com.au

Rolling contribution in the last 365 days

Energy (GWh)
lynton.hoey@superpowerinstitute.com.au

Coal generation as a percentage of maximum capacity on daily lows

lynton.hoey@superpowerinstitute.com.au

WEM change in generation from May 2025 to May 2026

Energy (GWh)
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