Understand the winter summer deal, my air actually cost more than my heat. Till I went under, I shut my indoor growing in May, out buildings were to hot without anything(100 in the shade is not uncommon). I have had some massive bill due more to that than the lights I was running, I know the lights make a difference, but when that air never shuts down, or the heat runs constantly, that's when the big bills come.

Think I'm kinda lucky, power company showed early, questioning my usage, showed them my shop, aircompressure, car lift, tools, and hot tub. They said we're gonna but you on a level pay plan and never came back. Running about 280 but I'm not working it like I use to.

Crystal going to say, for sure check your room first, fires occur at hot spots plug ends and sockets, wall out lets, any place your connecting two wires.
Next do you get shocked when you touch a faucet, or any appliance, a short eats money 24/7. And a short can be to ground, saves you but not your money.
Don't burn your grow room, makes for funny u-tube when the firemen get stoned(cali, very recent) .

You lab rats can do me an experiment. By measuring the power usage of each of the grows (kWh) just the grows, no other stuff, and plot it against harvested dried weight. My experience says the big dog wins. Love for you to prove me wrong and save me some money. Throw in amortized equipment cost too.