WIND ENERGY SYSTEMS - Cd3wd

Chapter 9—Wind Power Plants 9–33
5. Crane. Windfarms with turbines that tilt over on a hinged base will not require a crane,
but a crane would be very desirable for turbines that do not tilt over. A crane can
always be rented, but the extensive use of such a machine on a windfarm could easily
justify its purchase.
6. Fence. A windfarm in grazing land would require a barbed wire fence to keep cattle out.
Depending on population densities and insurance requirements, it may be necessary to
build a fence to keep people out of the windfarm area. Such a fence would need to be
at least six feet tall, of the chainlink type.
7. Overhead Line. The windfarm will need to be connected to the nearest utility transmission
line by an overhead line.
Table 9.11 shows estimates used by Nordtank for a 10 MW windfarm, which can be used
if no better figures are available.
Table 9.11. Nordtank cost estimates
for a 10 MW windfarm.
Item
Cost
Permits $30,000
Zoning 15,000
Wind Study 17,000
Engineering 42,000
Power Purchase Agreement 30,000
Control Building 80,000
Table 9.12 shows estimates for other costs.
Wind Energy Systems by Dr. Gary L. Johnson November 21, 2001