Honestly probably less than all the showers you took in the same amount of time.
https://cloud.google.com/blog/topics/sustainability/clean-en...
In 24 hours it consumes about the same amount of energy (2.5kW * 24h = 60 kWh) as charging a Model 3 LR's battery from 0 to 75%. So definitely more than heating up two dozen gallons of water even to boiling temperature (8 kWh), but still within the realm of household consumption with EVs.