He's most likely in a better humour than some of his fellow soldiers; has ready access to coffee, is snuggled up to a heating appliance and is not doing whatever crappy job his fellow conscripts are doing. Perhaps he's the ultimate
coffee b***h signaller and has learned the importance of coffee to the command structure - first rule, if there is electricity, make coffee; he's so good he has coffee ready even without a CP. Of course there are some coffee related duties that should never be imposed on soldiers, you never know what they'll do; such as this example in thread
Coffee Without Electricity.