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With the end of gross feedin tariffs, - you can no longer treat the grid as a 100% efficient battery, so those with solar PV systems need to be smarter about their energy generation & usage to minimise their energy costs . This talk will cover my setup at home: - Acquiring Net consumption/generation data using a modbus enabled power meter - Logging data via Open Energy Monitor - Micromanaging battery state-of-charge for Solax inverters - Dynamically switching loads such as air conditioners, pool pumps etc using Home Assistant - Dynamically diverting surplus energy to a Tesla EV Next steps: - Trading energy based on the National Energy Market spot price via Amber Electric