If cellular operators become electricity suppliers:

"Do you like straight numbers? Option second kilowatt-every second kilowatt for free!" Small font: first kilowatt at double price, connection option 10 rubles, disconnect 1000 rubles.
Charge your devices at night! Night charging option with a 90% discount Small font: We have a night from 3.00 to 6.00, hopefully your devices will already charge until 3.00 even if they are Androids.
"Economic housewife option: reduce power consumption at peak times by 30% and get a 100 kilowatt bonus!"Small font: the bonus must be used from 3.00 to 6.00 no more than 3 kilowatt every night