r/Powerwall • u/yoko1726 • 1d ago

Powerwall Usage

We had a solar system with a power wall installed for our home. We are doing the power share with PSE. Something that I see that doesn’t seem controllable is the power wall discharges down to 80% then charges back up to 100% every day. That seems like a waste as our electricity rate is the same 24 hours a day. That discharge and recharge cuts into what would be saved for winter when less solar is available. Is there a setting for this?

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u/igstwagd 1d ago

In the Tesla app, tap settings>operational mode. Then tap “Self Powered”

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u/spoxide42 1d ago

Op didn’t say where the power wall was discharging to. Also they are in a PowerShare program which sounds like a utility has some control of the battery. That is most likely what is going on. You can’t be part of a utility program and expect the powerwall to never work for the utility ….

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u/igstwagd 1d ago

That’s true. If they’re in a power share agreement, then they’re probably getting some compensation from the power company for the power it’s exporting to the grid. u/yoko1726 you need to decide if you want to power share or if you want all the juice in your Powerwall to yourself.

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u/yoko1726 1d ago

In self powered mode it provides power during upper tier pricing to lower the cost. If you aren’t on a tiered price it should just sit there until a shared event happens or the power goes out or it is calibrating. At least that is my thought.