South Australia Got 100% Of Its Electricity From Solar For 1 Hour


October 28th, 2020 by  

Once upon a time, it was “common knowledge” in the energy industry that solar energy couldn’t contribute more than 5% share of electricity supply. For a long time, this was claimed to be an upper limit that utilities could handle. My, how things have changed!

South Australia is one of the best examples. The Australian state gets more than 20% of its electricity from rooftop solar power alone, and nearly 70% from all types of wind and solar together.

South Australia also broke an interesting milestone earlier this month. For one hour on October 11, South Australia got 100% of its electricity from solar power. It is reportedly the largest jurisdiction in the world to do so.

“This is truly a phenomenon in the global energy landscape,” Australian Energy Market Operator (AEMO) chief executive Audrey Zibelman said.


“Never before has a jurisdiction the size of South Australia been completely run by solar power.”

A whopping 77% of that electricity came from rooftop solar panels. The other 23% came from large-scale solar projects.

Even hitting this big milestone, AEMO expects 36,000 more rooftop solar power systems will be installed in South Australia in the next 14 months.

Naturally, solar power didn’t provide precisely 100% of electricity demand in that one hour on October 11. Excess electricity from those solar power sources went into batteries or got sent to Victoria, a neighboring state, via a transmission connector.

Approximately one-third of households in South Australia, 288,000 of them, now have rooftop solar panels.

Naturally, there’s one great way that South Australians can soak up that tremendous amount of solar energy — buy an electric car and charge it while the sun is out and shining.

South Australia has been a fascinating region of the world for renewable energy and energy storage for years. Here are a few other stories about the Australian state:

  1. With Most Electricity From Renewables, South Australia Has Lowest Utility Cost
  2. Tesla Virtual Power Plant In Australia Outperforms Expectations
  3. Tesla Grid-Scale Battery In South Australia To Get 50% Larger
  4. Nothing Succeeds Like Success — Tesla Virtual Power Plant In South Australia Could Expand To 50,000 Homes
  5. Tesla’s Battery In South Australia Breaks Stranglehold Of Natural Gas Industry



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About the Author

is tryin’ to help society help itself one word at a time. He spends most of his time here on CleanTechnica as its director, chief editor, and CEO. Zach is recognized globally as an electric vehicle, solar energy, and energy storage expert. He has presented about cleantech at conferences in India, the UAE, Ukraine, Poland, Germany, the Netherlands, the USA, Canada, and Curaçao.

Zach has long-term investments in NIO [NIO], Tesla [TSLA], and Xpeng [XPEV]. But he does not offer (explicitly or implicitly) investment advice of any sort.

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