I'm finding that if you price anything in dollars you have to add 13% just for security and insulation purposes.

Bitcoin - The cost of kids playing on a computer, speculation, demand
Not so fast EE_ people keep telling me that it takes a tremendous amount of electricity to mine those Bitcoins...

http://qzprod.files.wordpress.com/20...ng?w=640&h=388

If it wasn't for their centralized and privatized pools, there would be no more bitcoins.

Is it a race to zero? I can't tell.

Difficulty 609,482,680.00
Mining Factor 100 0.05 USD/24h@100MHash/s as in these charts
Average generation time for a block (solo) 1 year, 240 days (can vary greatly depending on your luck)
Hardware break even 120 days
Net profit first time frame -554.51 USD

Coins per 24h at these conditions 0.0413 BTC
Power cost per 24h 0.36 USD
Revenue per day 23.02 USD
Less power costs 22.66 USD
System efficiency 500.00 MH/s/W
Mining Factor 100 at the end of the time frame 0.04 USD/24h@100MHash/s
Average Mining Factor 100 0.04 USD/24h@100MHash/s
Power cost per time frame 32.87 USD
Revenue per time frame 1977.36 USD
Less power costs 1944.49 USD
http://www.bitcoinx.com/profit/
The revenues seem to have gone up just recently...

https://blockchain.info/charts/miners-revenue