Windmills use tons of steel in their foundations, along with tons of concrete.
This is green windmill energy for you
Wind turbines generally use around 700 gallons of lubricant for their gearbox and other components. Additionally, they may require around 80 gallons of lubricant to be replaced annually. Newer, larger turbines can hold up to 60 gallons of oil in their gearboxes.
Here's a more detailed breakdown:
Gearbox oil:Gearboxes in wind turbines require a significant amount of lubricant, often around 800 gallons.
Transformer oil:Some turbines also have transformers that require oil, potentially around 1200 gallons.
Annual replacement:While the initial fill is substantial, a portion of the oil (around 80 gallons) needs to be replaced each year.
Synthetic oils:Wind turbines typically use synthetic PAO oils for their lubrication systems
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