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Rooftop solar panels are flooding California’s grid. That’s a problem. As electricity prices go negative, the Golden State is struggling to offload a glut of solar power (wapo.st)

submitted 7 months ago* (last edited 7 months ago) by [email protected] to c/[email protected]

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I'll note that right now, this is a seasonal issue, associated with moderate springtime temperatures when there is a lot of sunshine available.

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[–] [email protected] 2 points 7 months ago (1 children)

I have batteries that I use for my solar - but here in the UK electricity pricing frequently goes negative in the winter at night to due to a surplus of wind power. a few simple automations make sure when that happens my batteries start charging and my electric water tank heater turns on. My energy company now has a scheme where they will do it all for you if you opt in - automagically getting your batteries to charge when it makes financial sense for you.

[–] [email protected] 1 points 7 months ago (1 children)

It's a simple system if you have the supplies

[–] [email protected] 2 points 6 months ago

Well it runs on a Raspberry Pi 4 about £50 all in.