Octopus Energy has a Greener Nights program where you can get credit for charging your EV overnight on "green nights", typically windy nights where energy is cheap.
For more details of this, see the Octopus Energy Greener Nights overview.
However, the only way to see what nights give you credit is to look at the web site. To solve this I wrote a tool to generate an iCalendar feed so you can add this feed to your phone's calendar. The webcal link should automatically open in your calendar app, if that doesn't work then manually subscribe using the http link.
Calendar (webcal) Calendar (http)
You can view the source code or submit bugs/feature requests/patches in GitLab.
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Copyright (C) 2025 Ross Burton.
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