Crash Test Dummy Update: Data analysis thanks to Tom Quirk
In the South Australian experiment total wind power capacity is now far above the average state demand most hours of the day. This effectively destroys any economic case for cheap baseload power (I hear that was the aim). This fleet of unreliable generators is being supported by forced subsidies through power bills from all around Australia. Sadly, despite this rain of money falling in SA, those funds end up with Renewable Investors, not South Australian consumers who pay some of the highest rates in the world.
These legislated subsidies have fed so much wind power that sometimes the state produces more power than it can use. That excess power will be exported, but may or may not be actually useful at whatever time it happens. Unless it happens at peak-time, it will be eating into the efficiency of baseload providers in other states. Like an infection, inefficiency and underutilization of infrastructure spreads…
This volatility appears to make freak wholesale price spikes more likely. Quirk calculates that one hot January day last year was so wildly expensive in South Australia it added $2/MWh to the entire years average wholesale cost. Can’t […]
August 3, 2018 at 01:57AM