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Sunday, May 4, 2025

To the Moon and Back Again 138,562kWh

image by OpenAI

On November 8th, 2024, our home solar system crossed a milestone. On that day, the solar panels on our roof produced their 138,562nd kilowatt-hour of energy.

What's so special about 138,562 kWh?

A 2018 Tesla Model 3 uses 29 kWh to drive 100 miles (newer ones are likely better). The Moon is about 238900 miles from Earth. Given this efficiency and distance, it would take 69,281 kWh to drive to Luna. Double this amount, and you could make the return trip. 

Obviously, you cannot drive to the Moon, but at least one car is in space.


For one more fun data point, this is enough energy to drive around the equator more than 19 times.