Well, I'm not the only one saying that:

Wind is an unreliable ‘bit player’ on the energy scene. It would take 1,500 wind turbines spread over 20 km2 to produce the same electricity as a 1,000 megawatt nuclear power station – even then it would only be available when the wind blew and cannot, therefore, provide base load.

Some Facts about Energy & Wind Power, from the Berrier Wind Farm Objection Group.

Yes, that is from a NIMBY action committee, but I think the point stands for the reasons given.

I would be delighted IF wind power could be a major player in meeting even a significant portion of our energy needs - because I'm not enthusiastic about nuclear - but alas, it doesn't appear that it will. Wind power does seem to work reasonably well for things like pumping water and other low-demand functions on a small scale, such as was/is the case on rural farms where the familiar farmer's windmill (wind-pump) stands in close proximity to livestock watering troughs. As well, before many rural farms were connected to the grid, some electricity was generated locally by similar-appearing "windmills."

But wind power is erratic, unreliable, and has other shortcomings,as noted.

Wind works in Denmark ONLY because they have import cables with Sweden, Norway and Germany (called interconnectors) to balance their grid...

(ibid)

Wiki has a pretty good entry for wind turbines, which concludes:

While wind turbines in operation can generate electricity without the emission of greenhouse gases or the consumption of fuel, they have significant disadvantages over conventional generation.

One disadvantage is that wind power is an intermittent power source. The production from a wind turbine may increase or decrease dramatically over a short period of time with little or no warning. In the absence of large scale energy storage, the balance of the grid must be able to quickly compensate for this change.

The economics of wind turbines can be challenging as well. With high quality wind resources often located in areas inhospitable to people, logistics and transmission capacity can introduce significant obstacles to new installations.

The impact of wind turbines on wildlife has often been cited as a disadvantage of wind installations. Wind turbines can pose a danger to birds and bats, though the magnitude and gravity of this danger may be much less than more ubiquitous threats such as house cats or plate glass.

Wind turbines are certainly not without critics, but may have much more favorable life cycle impacts than conventional generation technologies.

All things considered, I think we're best served by continuing to rely on the so-called "fossil fuels" over the short term. We've got plenty of coal. There are environmental issues, primarily with mercury, particulates, and other pollutants, but I emphatically exclude CO2 from that group. In any event, we can continue to "clean-up" our coal-fired plants, work to develop fusion and other effective energy sources.

S