sadly we have to make due with our 100 amp drop as epcor wants to rape for 100+ amp drops transmission fee's and cost of dropping the line and a bunch of crap it's retarded quick math actually shows if
we have a bunch of cards sitting asap it's cheaper to rent a apartment with free utilitys and house the new machines there with the ones we are currently running .. thou with the forming of a small Edmonton based bitcoin group im going to setup a meeting seeif people would be intrested in leasing commercial space from a fellow i know with a 450 amp drop to the location already built for houseing servers with security and fire suppression and cooling
You are learning that the cheapest kilowatt (as in kilojoules per second) is the one you don't use.
With careful mapping of your wiring, you may not need 200 Amp service. Your service is 100Amp, 240V. Each "branch" can supply 80 amps continuously. If you know for a fact that different outlets are on different sides of the branch circuits, you probably don't even need 240V plugs. You can check this by using a multimeter to check the voltage between the "hot" contacts in the sockets. If they are on the same side of the circuit, the voltage difference will be less than a volt. If they are on different sides of the circuit, the voltage difference will be 240V.
One thing you will have to watch for is power factor. Most my computers without active power factor correction have a power factor of about 0.67. That means that for every amp of current supplying power, I have half an amp of "wasted" current just heating the wiring. What that means for you is that you should derate each circuit by the power factor of the load. For example, on a 15 Amp circuit, you are allowed to draw 12 amps (multiply 15 by 0.8) continuously. If your load has a power factor of 0.67, you would multiply that 12 amp rating by 0.67: giving 8 amps delivering actual power (960Watts). I recently bought a 380 Watt power supply with active power factor correction: it cost me just over $45 (a little over your budgeted $20 per machine).
You can free up about 40 amps (well, 32 Amps after derating for continuous load) by replacing your electric stove with a gas stove. You can then get an electrician to pull the 240 volt connection over for the AC or even running some of the machines.
Of course, renting actual commercial space is a option. However you should really consider whether you consider this a hobby or a business. If it is a hobby, you don't need
every last machine running. You may even want to have a few on standby and only run them if the
network hash rate drops for whatever reason (or in the event of hardware failure). If you consider it a business, you may need to consider getting a business license. Miners should also be aware that there are only about 50,000 "winners" (blocks) every year.