40,000 South Australian electricity customers were without power yesterday and the market operator was forced to shed load.
Here's three simple charts explaining what happened:
- Wind generation dropped during the day:

- South Australian electricity demand increased during the day. The thermal generators (gas and diesel) responded by increasing output:

- But the power imports from Victoria weren't enough to meet the looming shortfall. As 100 MW of load shedding was introduced, the fall in flows across the interconnectors can clearly be seen:

The data used in these charts is supplied by NEOexpress, a product of Intelligent Energy Systems.
This article was originally published on Bill Nixey LinkedIn: bit.ly/2kHFaV6