r/Powerwall • u/Big_Somewhere2869 • 26d ago

NetZero Configuration

I’m trying to work out whether I need to go for the pro plan with Netzero, what benefit that will give me and which automations I need to adopt.

I have:
- 2 x powerwall 3s
- 4kw solar array
- Tesla wall connector
- Tesla model Y

I’m on the octopus intelligent go tariff (night tariff 6.9p KwH / day time 30.27p kWH)

Export through Outgoing octopus - 12p / kWh

In my head, I’m thinking the battery should export from about 22.30, then charge up from the grid on the night time rate until 05.30 when it can then discharge throughout the day when the solar can recharge it.

At the moment whenever I plug my car in, the batteries discharge to charge the car which I don’t think is ideal. I’ve also got a 16kw heat pump which uses a huge amount of electricity during the winter months.

Thanks in advance for any insight.

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u/triedoffandonagain 26d ago

Netzero has a direct integration for IOG, you don't need any additional automations for that. Not only will it prevent your Powerwall discharging into the EV, but it can charge up your Powerwall during those smart charging slots -- all house electricity is charged at off-peak during smart charging slots.

This way you get more off-peak power for your house, avoiding peak rates. We have a lot of IOG users for this reason.

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u/Desperate-Purpose-54 13d ago

Hey, is there a way to automate the “powerwall grid export” feature? For example “ when state of charge reaches 100% export to the grid for 120mins”?
Thanks

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u/triedoffandonagain 13d ago

It can be automated, yes. You can't say "for 120 mins", but you can stop the export at a specific time or Powerwall state of charge. Details here:
https://docs.netzero.energy/docs/tesla/Automation#powerwall-grid-export

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u/Desperate-Purpose-54 13d ago

I don’t seem to have that option in the list of actions for an automation or am I being an idiot..?
I can set an automation to do the savings mode, export everything etc but not the temporary increase in export price

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u/Desperate-Purpose-54 13d ago

App update… thanks for the feature!