Renewable South Australia Islanded, flying by the seat of their pants, afraid of a solar surge on a sunny day

By Jo Nova

The biggest blackout has hit South Australia since the statewide crash of 2016. It’s due to a weather calamity, but the renewables state is struggling to keep the frequency stable for a whole week without the rest of the national grid to lean on. This time they have the back up generation, but they’re going to great lengths now to stop the surges from solar and wind — there’s no where to dispose of excess electricity…

On Saturday afternoon a storm system blitzed out 423,000 lightning strikes and brought down some 500 lines, including the Heywood interconnector that joins South Australia (SA) to Victoria. That is out of action until Friday, so for a whole week the Star Renewables State of South Australia is on its own — Islanded from the national grid. The test is here, and right now at 6am they’re running on 80% fossil fuels and 18% wind, plus millions of dollars has been spent on frequency control, and they’re trying to turn off the solar panels.

The storm caused blackouts affecting 163,000 customers or roughly 18% of the state. Power was restored for most within hours, but there were still 35,000 properties without […]