Considering all of the errors and mistakes government makes, the post about A Flock of Seagulls seems to be a perfect case of the pot calling the kettle black. (Not to mention that there is no such animal as a seagull).
An electric heater rated at 1000 watts (1 kilowatt), operating for one hour uses one kilowatt-hour (equivalent to 3.6 megajoules) of energy. A television rated at 100 watts operating for 10 hours continuously uses one kilowatt-hour. A 40-watt light bulb operating continuously for 25 hours uses one kilowatt-hour.
Find your cost per kilowatt-hour. 1 kilowatt is 1000 watts, so a 100W light bulb, for example, will use 0.1 kw, and for one hour, that means 0.1x1=0.1kw/h. Multiply that by 24 hours, and you have the number of kilowatt-hours used in 24 hours.