To be the contract-holder for supply given that this is personal and that the contract-holder must be the effective user of the energy.
Ensure that the power actually used does not exceed the power contracted, without prejudice to the obligation of installing the Power Control Switch in your home.
Have protection systems in your home's electricity installation or receivers to protect against the effects of current surges and short-circuits.
Maintain, conserve and make good use of your installation and the measurement and control equipment.