The Duck Curve

CKWMCKWM Fremont, CAMember Posts: 243

Has anyone seen this?

The "duck curve" is solar energy's greatest challenge.

Look forward to hearing what people's thoughts are on this.


  • UkiwiSUkiwiS San DiegoMember, Moderator Posts: 1,625

    Not that video specifically but I know what the "Duck Curve" is. I believe some commercial/Industrial customers actually get paid to take energy during the day.

    BTW, there is lots of good info on the CAISO website:

    Check out this price map:
    You can zoom in and out and in the upper left corner of the chart is the selector.

  • Steve ReedSteve Reed Member Posts: 111

    Powerwalls really help.

    My wife's is home during the day, so here car charges from 12-2pm and our Powerwalls change from the solar in the morning, so we're not putting much solar power onto the grid until late afternoon. Once peak rates start (4-9pm) we will run on batteries, so we're not adding to the late day draw (the ducks head). We could put more of the Powerwalls energy on to the grid, but that is not allowed currently under Net metering rules.

    If enough people had them, the duck curve would flatten out substantially.

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