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Utility Grid Scale Batteries are Lacking (can we fill a hole?), page-14

  1. 4,436 Posts.
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    It sure looks like it "Investigations now show that there was a total sustained reduction of 445 MW of wind generation across nine wind farms, plus further transient reductions of 39 MW in each ride-through event. The transient reduction in output was spread across all wind farms online at the time, including those that did not suffer a sustained reduction in output. This information replaces the data (315 MW lost from six wind farms) in the Preliminary Report."

    If the Wind renewable was banked as well as directly input using LSB then the feathering ( shut down) of wind generation in extreme wind conditions would be a non issue. ("It was noted that the wind conditions could reduce wind farm output where wind conditions exceeded 90 km/h (a normal feature of wind farm operation termed ‘overspeed’ trip), and increased monitoring of wind farm performance was implemented. " and "3.4.2 Power reduction due to excessive wind speed")

    At a guess the "Figure 10 30-minute spot market price in South Australia since 16 September 2016" significantly increased costs might if they can be eliminated if Renewable load can be banked in LSBs.

    The cost savings would pay for a heck of a lot of LSBs with out the need for other funding! Interesting reading. Thanks for posting the report.
 
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