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by mahyarm 4592 days ago
10W/GH is a pretty old number. A lot of miners are now around 6W/GH on average from butterfly labs & asicminer. Newer miners that have been released in last few months are 1.5W/GH from KNC & BitFury. In a couple of months it's going to be 0.7W/GH from Cointerra and Hashfast.

The amount of hash power in reaction to these cheaper and more efficient miners is going to go up although, so the total power consumed is going to be similar in the end.