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How much does a 4MW wind turbine cost each?
A lot depends on the site, how much prep it takes, and on how many lawyers and clerks you need to get regulatory approval. The latter can take many years, and you have to pay lots of expensive lawyers during that period.
Here is one reference point: it cost $100 million for 5, so $20M each.
Great Lakes To Get Great Big Wind Turbines
Traditionally, offshore Wind Farms have been located on the coast, but GE and LEEDCo hope to generate 1000 MW of wind energy from Lake Erie within the next decade.
Lake Erie will soon be dotted with five massive 4 MW wind turbines making it the first offshore freshwater wind farm in the continent.
The wind farm project, announced at the American Wind Energy Association’s annual WINDPOWER Conference in Dallas, will be a collaborative effort between General Electric (GE) and the Lake Erie Energy Development Corporation (LEEDCo). At peak efficiency, the wind farm will be capable of providing 20 MW of energy, enough to power 16,000 homes in the Northern Ohio region.
“Ohio’s greatest potential for creating wind energy is offshore in Lake Erie, and this partnership marks a significant step forward,” said Ohio Governor Ted Strickland. “
GE will fit the turbines with ScanWind technology which replaces standard gearboxes with an advanced drive train. ScanWind is a Scandinavian corporation which developed the technology and was acquired by GE in 2009.
“We look forward to installing our next generation offshore, direct drive wind technology in Lake Erie,” said Vic Abate, President of AWEA’s Board of Directors and Vice President of GE’s Renewable Energy. “GE is committed to working with LEEDCo to achieve its vision of creating an offshore wind sector in Northern Ohio and the Great Lakes region.”
The massive turbines, each weighing 225 tons, would stand 300 feet above the lake and be grouped approximately six miles or so off Cleveland’s shore.
The expected cost is projected to be $100 million. Financing terms for the venture are still incomplete. State and federal tax credits together with loans or grants may be needed. Half of the project’s expense will be the turbines themselves. The balance of the cost would cover purchase of the towers, foundations on the lake bottom, an underwater power line to the shore, and engineering expenses.
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