permaculture

[dwoodard@becon.org]

Rated power of wind turbines is usually obtained at around 27-35 mph,
depending on the design. The largest turbines are usually intended for
offshore use and the higher windspeeds.

Power varies as the cube of the windspeed.

Doug Woodard
St. Catharines, Ontario, Canada


On Thu, 28 Oct 2004, David Neeley wrote:

[snip]

>
> All of which said, your statement that 5 megawatts is "sufficient for
> 100 homes for a day" caused my response. A generator rated at "5
> megawatts" will do that continuously at rated output. Thus, it would
> generate a maximum of 5 megawatt-hours per hour or a theoretical
> maximum (given sustained wind speed of about 14.5 mph or more) of 120
> megawatt-hours per day.

[snip]