we don't pay for electricity and it is included in our monthly pay. the place is air cooled with extreme chillers and you actually need to wear a coat when getting in or your nose start watering. its freezing in there.
Do you know how much (and what kind of) power is delivered to each rack? 120V? 208V? 48VDC? 20A? Multiple 20A circuits? Multiple 30A circuits?
As someone who's run data centers before, I can tell you that even with "unlimited" power, you run into issues of power density - how much power can be delivered to each rack and cooled effectively. This almost certainly will affect your planning, so it's worth looking into.