Is it a crime to steal electricity from a shop?

Stealing electricity is illegal. Those who meet the standards of criminal investigation shall be investigated for criminal responsibility according to law if they are suspected of committing a crime.

If you have evidence to prove that this person has stolen more than 5,000 degrees of electric energy, and his behavior has violated the criminal law and is suspected of theft, you can report the case to the public security organ and demand that the perpetrator be investigated for criminal responsibility and compensate you for the losses.