Sure:
Even though it may seem that appliances in standby mode are turned off, they’ll still be using energy. With Homey Energy you have the ability to monitor the standby consumption per appliance as well as the actual consumption when it’s turned on.
I wanted to make a thread here with energy uses for most lightbulbs and such, but one said it would be a monster job, because there are so many types and variations… in Dutch: Stroomverbruik: database met waarden?