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Comment by Baldbvrhunter

Some turbine facts for reference

For a typical onshore wind turbine, the tower can contain approximately 295 tons of steel

The concrete footings are usually 9 feet thick and 60 feet in diameter, requiring about 300 cubic yards of concrete, which is equivalent to 30 to 40 truckloads.

The blades have a 20 year lifespan and cannot be recycled, being made from fiberglass reinforced with plastic, also known as glass fiber reinforced polymer (GFRP). With newer ones also incorporating carbon fiber.

All that said, for a turbine to produce enough clean electricity to offset the carbon emissions produced during its manufacturing, installation, and maintenance, is typically around 7 to 8 months.

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