I've often wondered why people don't hook up a generator to their natural gas feed. I've never heard of a cop checking the gas bill before trying to get a warrant.
Hell my 3 computers alone run almost 1800w WITHOUT the monitors.
Just say you operate a porn site. If he asks, direct him to some freaky animal farm site, he may never bother you again.
If someone comes and asks you why you are using extra electricity...Then they probably are already suspicious.