Articles

New hedging options emerge in the NEM as the energy transition accelerates

Our guest author, Dave Guiver from ERM Power, outlines some new options for hedging in relation to the influx of many new large-scale solar PV projects

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Analytical Challenge - remembering that it's impossible to know motive (but does not stop us guessing)

Highlighting the temptation to ascribe motivation to others – despite the fact that we understand that we can never know for sure.

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Recapping a shaky week for the supply-demand balance in the NSW region last week (Mon 4th June to Fri 8th June 2018)

The start of some analysis that helps to identify the variety of factors that combined to give a shaky balance between supply and demand in NSW last week.

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Electricity demand stopped declining after 2014 (on a NEM-wide, Annual Average basis)

A comment made by TransGrid at the Energy Networks 2018 conference today jolted me to update my (somewhat) outdated paradigm of declining demand.

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AEMO issues LOR2 warning for South Australia for next Thursday, 31st May

Yesterday (Thu 24th May) AEMO issued a Low Reserve Condition notice (at LOR2 level) for South Australia next Thursday 31st May. We take a quick look….

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An updated look at daily curtailment of aggregate wind farm output across South Australia

This morning over on Twitter, I was pulled into a discussion that had started with respect to volume of wind energy curtailed in South Australia:   The genesis of this twitter conversation was the AEMO’s “Quarterly Energy Dynamics – Q1 2018” (which seems to be getting better each quarter as a core reference document).  As […]

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Helping our clients make sense of (and grasp the opportunities in) the AEMO’s new MT PASA data sets

A brief first look at AEMO’s new MT PASA data sets – as we push forward in the next upgrade of our ez2view software to help our clients understand the data, and the opportunities (and threats) that the data reveals.

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The “Solar Correlation Penalty” has already arrived in the NEM

Already we are seeing the highly correlated output of solar PV deliver interesting challenges for the NEM – both to the project proponents themselves, and also to the “everything else” that supplies what’s left of the underlying demand from electricity from any source.

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A timely reminder of the need for *much* more diversity in wind harvest patterns

Alerted by our NEMwatch dashboard, I delve into the data and see a scary degree of correlation between the (very low) output of wind farms in south-east South Australia, and (similarly low) output from newer wind farms in northern NSW.

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Network outage, and low wind, combine to drive spot price volatility in the SA region on Thursday 26th April

An unexpected network outage in the south-east of South Australia restricts supplies from Victoria at a time of low wind supply in South Australia and results in the dispatch price spiking to $14,200/MWh from 11:30 and oscillating for the afternoon

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