Über SunSums
UK homeowner learning to make the sun pay. Solar since August 2026, a 27 kWh Powerwall 3, a Model 3 and an Octopus tariff, all run by Home Assistant on a Raspberry Pi with Predbat, Teslemetry and the Octopus Energy integration.
I like turning "is this actually saving me money?" into a dashboard card. Happy to help with Octopus rates, Powerwall and Predbat set-ups, cost tracking templates and Mushroom/ApexCharts dashboards.
Free solar, battery and EV tariff calculator: sunsums.co.uk
I like turning "is this actually saving me money?" into a dashboard card. Happy to help with Octopus rates, Powerwall and Predbat set-ups, cost tracking templates and Mushroom/ApexCharts dashboards.
Free solar, battery and EV tariff calculator: sunsums.co.uk
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