Glossary

kWh: Kilowatt-hour - one kilowatt of power consumed for one hour. The unit your electricity company bills in.
Time-of-Use Rate: An electricity pricing plan where the kWh price changes depending on the time of day or week.
Undervolting: Reducing the voltage supplied to a CPU or GPU so it runs cooler and uses less power.
Wattage: The rate at which an appliance consumes electrical power, measured in watts (W).