I contacted big yellow and they said they wouldn't discuss power tariffs over the phone. However they charge £445 for a double socket. And £220 for fitting of a phone line. With a 400sq foot storage for only £170 a week. Deals any better in other countries?
I contacted one near me said I could rent a climate controlled 10x10 with 120 vac at 99 a month. Forgot to asked about phone line though.
Don't think Big Yellow have climate control however, for a 11 sqare foot you can expect to pay around £50 which is probably around 75 USD.
I just went online and found that giffgaff do a contract with a sim for unlimited everything for £20 a month which could possibly be used for internet! All i need to do now if find out the power costs! Could also get unlimited data from EE for £17 a month (inclusive of 4G) but don't think that would make much of a difference with bitcoin mining?