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Also remarkable how Natural gas (pipeline) drops from 1250 MW to less than 500 MW within 2 hours. Some days they just run out of pipeline?
There are a string of battery charge and no discharge events during that time, just when the Net Interchange Import is building up. Apparently the imported power was cheap. Maybe there was lots of wind there.
The Hornsdale battery typically charges or discharges at 35 MW in timeslots measured in seconds. You can see it is continuously active within that frame. It does stabilize the net and evens out the cost. On a 1800 MW per day scale it looks insignificant, but so are its costs compared to the other players on the grid.
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2011 Honda Insight + HID, LEDs, tiny PV panel, extra brake pad return springs, neutral wheel alignment, 44/42 PSI (air), PHEV light (inop), tightened wheel nut.
  lifetime FE over 0.2 Gigameter or 0.13 Megamile.
For confirmation go to people just like you.
For education go to people unlike yourself.
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