Here is the map for Diavik Diamond Mine:

The commodity most in demand is diesel fuel for power and equipment operation.
Diavik’s wind farm began delivering power to its grid on 28 September 2012.
Environmental
· Approximately five million litre – or ten per cent – reduction in use of diesel for power per annum
· Diesel is used both for power and mobile equipment
· Reduction of 100 fuel tanker truckload equivalents per year
· This represents around six per cent of Diavik’s total annual fuel resupply on the winter road 12,000 tonnes – or six per cent – reduction in carbon dioxide per annum
· Six per cent reduction in greenhouse gas emissions per annum
Technical
· Four Enercon E70 generators
· Gearless direct-drive design operating to -40°C
· Total installed and demonstrated capacity: 9.2MW 17GWh annual production – enough to keep 32,300 60 watt light bulbs burning for a year
· Eight year estimated payback
Dimensions
· Tower hub height: 64m
· Turbine rotor diameter: 71m
· Total turbine height: 100m
Information is available from:
http://m2m.riotinto.com/article/lift-diavik-wind-farm
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