It is. What's neat is that while other vehicles like the Chevy Bolt have an electric heating element to warm up the battery a Model S actually just uses the inv

It is. What's neat is that while other vehicles like the Chevy Bolt have an electric heating element to warm up the battery a Model S actually just uses the inverter for the motor to generate heat. It can essentially intentionally waste power without moving the motor at all. Since it's on the same coolant loop this warms up the battery pack.