Autumn 2018 in the NEM

A collection of articles about things we see occurring in the NEM.

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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.

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.

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.

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

When the NEM’s Largest Generating Unit Trips …

A follow-on to my earlier article of a couple weeks ago, looking at another instance where a team effort was required to counter a drop in system frequency following the loss of generation at a large power station (this time the single unit Kogan Creek power station - the largest single unit in the NEM).

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