On October 13, 2026, the grid covered just 1% of my 65.8 kWh peak-hour usage, with solar at 70% and my Powerwalls at 29%. My home used 123.2 kWh in total, and the 57.1 kWh from the grid came mostly overnight before solar kicked in around 6 AM. The Tesla app estimates the day’s energy value at $18, at 52% self-powered.
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These are my results, one household in Houston, Texas… Nothing here is financial advice. The data is real.
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