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Solar energy

2024-01-19

Setup

6kWp system (6 south facing panels, 9 west facing panels), Growatt inverter (SPH5000) and battery (GBLI6532, 6kWh).

Solar calculations

Collection of tools to calculate sun position, sunrise, sunset. I haven't used them yet but I found them online and I wanted to record their links. Maybe they're going to be useful when I write software to optimise power usage with Octopus Agile smart tariff.

Solar forecasts

Battery losses

The process of charging and discharging the battery has some losses (i.e. you can get fewer kWh than what has been used to charge the battery). There seems to be a few factor affecting losses:

Tools

Optimise electric vehicles charging with EVCC

Thanks for reading. Feel free to reach out for any comment or question.