A trick very simple and simple cooking to consume less electricity , is to turn off the plates electric before the end of cooking.
Why? Because in this way you still benefit from the heat of the plates without having to use energy!
The plates electric take time to heat up but also to cool down.
You have to try to test to see how long your plates continue to heat without consuming of energy.
Mine anyway, it's almost 10 mins! :-)
The plates electric it is far from being the most economical plates in terms of consumption. Therefore you have to know the cheap tricks to save.
By turning off the plates electric 10 minutes before the end of cooking, you are sure to save money easily with each cooking.
Of course, if you need to change plates , consider changing to induction hobs which are much more economical to use.