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Politics : Rat's Nest - Chronicles of Collapse -- Ignore unavailable to you. Want to Upgrade?


To: Wharf Rat who wrote (1405)8/1/2005 3:05:56 AM
From: Wharf Rat  Read Replies (1) | Respond to of 24214
 
Windmills generate energy, criticism, praise

Value, bird deaths at center of debate

By Lance Gay

Scripps Howard News Service

Posted on Sun, Jul. 31, 2005


WASHINGTON – Coming soon to America’s fruited plains and atop the purple mountains majesty: a lot of 100-foot-tall windmills.

Buried in the energy bill that surfaced this week from a House-Senate conference committee is almost $3 billion in subsidies that supporters have earmarked to build thousands of electricity-generating windmills in the United States.

Advocates say windmills are a simple, cheap and pollution-free way of providing energy without burning $60-a-barrel oil or natural gas imported from unstable regions of the world. They are more capital expensive to install than natural-gas power plants but, after they are up and running, require only occasional oiling to keep working and often can be fixed by someone sitting in an office with a laptop computer.

There are 108 electricity-generating windmills on roadsides near the southeast Colorado farming town of Lamar, and Mayor Elwood Gillis said they have brought jobs and an improved tax base. That windmill farm is the fifth-largest in the world, and Gillis said his hope and goal is to make it No. 1.

“Out here in this area of Prowers County we have a lot of wide-open space and prairie, and rolling hills,” Gillis said. “We love the view, and none of us feel it is intrusive whatsoever. I went out there the other day and stood under one of them and there’s a little swishing sound, but there was a farmer cutting hay in the field, and cattle on the range, and neither of them paid any attention to it.”

Gillis said he has heard no opposition from neighbors to the windmills, and he noted the project went through local public hearings to gain approval, with no one appearing to speak against the project. But he noted there has been significant opposition to expansion plans by a nearby coal-fired power plant.

“They are clean. They use no water. And they have turned what used to be a curse, the wind, into a blessing,” he said.

Unsightly killers

Critics counter that windmills are bird-killers that look like ungainly bathroom brushes sticking in the sky. Each is fitted with high-tech plastic arms longer than a 747’s wingspan and capable of making dull thump-thump noises similar to a wet towel in the clothes drier.

Jerry Taylor, director of natural-resource studies at the Cato Institute in Washington, argued that windmills are no solution to America’s electricity problem. He said the turbines operate best at night when the winds are strongest, and the technology can’t be relied on to meet demands for more electricity in peak-use periods during those hot – and often calm – summer afternoons when industry is at work and air conditioners are running.

Taylor said there would be no windmills if there weren’t lavish government subsidies promoting their proliferation. “If wind technology had any merit, we would not need to subsidize it,” he said. “It’s a nice thought, but they have had to set up a Potemkin village model for it to work.”

Taylor also noted the prime locations for windmill farms are some of America’s wildest and most scenic areas. That has whipped up intense opposition from local preservationists to some of the proposed sites. “That’s not surprising at all,” he said, “They have big industrial footprints in wild places. They require a lot of wires and a lot of roads, and the winds are strongest in the wildest areas.”

Then there are the birds.

At one of the nation’s oldest windmill farms, built on a scenic 50-acre site in Altamont, Calif., about 4,000 windmills have been chopping birds to pieces at the pace of 4,700 a year, according to conservative estimates.

Bird lovers are suing to force the electricity farm’s operator to take remedial measures. Golden eagles, red-tailed hawks, burrowing owls and other federally protected raptors are among the minced birds the California Energy Commission has recovered around Altamont’s generators.

Christine Real de Azua of the American Wind Energy Association, which represents the industry, acknowledged that “Altamont is a problem,” but she insisted that other wind farms haven’t seen the same sort of bird kills, including another Southern California wind farm built in the flyway of migratory birds.

“That’s not to say that an occasional bird doesn’t fly into one of the structures,” she said. “But they aren’t a blip on the chart” compared with bird mortality from power lines, power poles and buildings.

An environmental split

Environmentalists are at odds over the farms. Environmental groups are enthusiastic supporters of “green” energy alternatives to fossil fuels. But many of their members oppose windmills because they kill birds and sometimes occupy scenic landscapes.

The Audubon Society and the Nature Conservancy are battling the Sierra Club over a proposal to build a wind farm in the Flint Hills region of Kansas, near the last reserve of native tall prairie grass. The local Sierra Club favors the farm, but the Nature Conservancy decries wind farms as no different than any other industrial development. Kansas Audubon Society director Ron Klataske charges that Sierra Club support for green energy can only lead to the destruction of pristine areas of the country.

Some of the most vocal objections to the farms have come from well-heeled property owners in Cape Cod and Martha’s Vineyard, who are fighting construction of the nation’s first oceangoing wind farm consisting of 130 turbines in Nantucket Sound. There’s also opposition from seashore groups against plans for ocean projects in that state.

Despite the industry’s critics, some 2,000 wind turbines are being built this year, adding an estimated 2,500 megawatts to America’s electrical-energy network. Less than 1 percent of America’s electricity supply comes from wind, but there are sufficient windmills already built to provide 1.6 million homes with electricity.

A 1 million megawatt windmill costs about $1 million to build, and provides electricity to about 300 homes a year. The industry defends its federal subsidy, noting it’s far less costly to taxpayers than the oil and natural-gas depletion allowance given the oil giants, or the indirect savings from limits on liability Congress has given the nuclear-power industry.

Real de Azua said she doesn’t know future sites for new windmill farms, but the ideal wind conditions are found in the Great Plains and off the Northeast coast. “We look for strong winds,” she said. California leads the nation in the number of electricity-generating windmills, New York has many potential sites, she said.

But she said the winds aren’t sufficient in states like Florida, where year-around air-conditioning demands are draining energy resources.

Real de Azua described opposition as sporadic, but “very vocal.” She said the expected construction of mills each capable of producing 2,500 megawatts of wind-generated electricity this year shows that many communities support windmill power, and opposition isn’t universal.

fortwayne.com



To: Wharf Rat who wrote (1405)8/5/2005 2:23:25 AM
From: Wharf Rat  Read Replies (1) | Respond to of 24214
 
Comments on the Cassandra article (see post 1405)

Y2K versus Peak Oil

Here’s an interesting link for all you peakniks. The post and the subsequent comments are just the sort of error that I think the majority of the population make currently, and will continue to make when confronted with the reality of energy decline.

The article draws a comparison between the furore over Y2K and the current interest in peak oil. The comparison is erroneous for some very important reasons, which I will try to outline here.

Let’s look first at the nature of both problems starting with Y2K. The article correctly points out that Y2K was not a hoax as many imagined after the fact. It was a real problem for a large number of computer systems, and one that could have been a pain in the backside for all concerned. But, due to the generally low level of understanding of computer systems the threat was easily blown out of proportion in the public arena, and fed a variety of techno-phobic madness that reflected the zeitgeist of those times.

However, the problem was not insoluble at all. Programmers and systems administrators had very clear methods for dealing with the problems that were forecast. The problem was simply one of a large amount of work in a set period of time. The public hysteria that eventuated was entirely out of proportion to the nature of the problem and the likely effects. I agree with the author that this panic probably did in fact ensure that many of the more drastic scenarios proposed didn’t come about.

So is peak oil a problem of the same type? Will current discussion raise awareness enough that solutions will be found and enacted?

Peak oil is a problem that represents not one problem due to occur at a set date, but a complex of interacting factors likely to influence our lives for the foreseeable future. The problem may appear to be; how do we replace oil with alternatives? But the real question is; how are we going to deal with the transition to a lower quality energy resource?

This is the point that I think makes technological optimists so infuriating in the eyes of those that have seriously looked at the nature of energy resources. It seems a simple enough concept but it is in fact very poorly understood. So I’m going to have a go at explaining it.

The most crucial characteristic of any energy resource is its energy profit ratio, or energy returned on energy invested, hereafter shortened to EROEI. This is a measure of the multiple of energy that one can extract from investing a set amount of energy. For example it may take the equivalent of one barrel of oil to find, pump, refine and distribute ten barrels of oil. The EROEI in this case is 10. Similarly it may take one barrel of oil equivalent (BOE) to produce 8 tenths of a BOE of ethanol, in which case the EROEI would be 0.8.

This idea has been called emergy, or embedded energy by Howard Odum and is absolutely vital in assessing energy resources. It can be difficult to assess, and it does change over time for different resources.

One thing we can say with certainty is that fossil fuels have offered, and still do offer, the best EROEI. Of the fossil fuels oil has been the stand out performer, with natural gas following closely behind. But even these two stars can’t hold their top spot forever. As the amount of liquid and gas in the ground reduces, that remaining gets harder to find and pump. The EROEI consequently drops.

So that in itself is a problem. We are having to work harder to get the energy we need. But maybe we can change to some other form of energy? Given that, at the moment, no other form of energy (not even nuclear power) offers an EROEI as good as fossil fuels, why would we? How on earth are we expected to make our lives easier by using a resource that requires more work to produce the same amount of energy? When the EROEI on fossil fuels drops to the level of other sources of energy the transition becomes possible. But is it that simple? Indulge me while I tell you a tale.

A family live in the middle of a broad plain, on which grow two types of plant. One yields a high-energy fruit that is excellent sustenance but reproduces very slowly. Picking the fruit destroys the plant. The second plant yields fibrous, unpalatable gourds that are much less nutritious. At first the family harvests the high-energy fruit and they prosper. Their numbers swell and they are able to harvest more and more extensively from their home. Over the course of the years they destroy the easiest to reach plants and must now travel further and further to get the high-energy fruit. They start supplementing their diets with the fibrous gourds. Their number increases still further, and the availability of the fruit decreases still. They have to put more and more effort into gathering the gourds. Eventually they have to abandon the fruit and concentrate entirely on the gourds. However the gourds are not nutritious enough to feed all of the family and they start to become malnourished. The harvesting is difficult work and in one particularly hard winter several members of the family starve, followed by more the next year.

So you see the difficulty. Decreasing energy yield colliding with an increasing population is not something that can continue for long. And this is in fact a situation that has occurred often enough in history to be unremarkable (see Collapse by Jared Diamond). The difference is now that it’s not just one family on one plane, but one entire species, on one entire planet.

Now people may say; maybe we will find some energy source that has a better EROEI than fossil fuels. To these people I say, best of luck to you. If you can fearlessly go where generations of technicians, engineers, scientists and others have so far failed to go, then all the better for everyone. I have publicly said that if nuclear fusion does ever become energetically and technically viable then I will throw a big party for all of those that had faith. But my suspicion is that it will forever be a low energy yield operation, not because of the yield of the fusion reaction itself, but because of the enormous engineering difficulties, the solutions to which all entail large energy outlays.

Ideas like biodiesel and fuel cells reflect an unjustified optimism in the benefits of progress and technology. We are bound by the laws of thermodynamics in the ways that we can exploit energy, and as result of that we must face up to the effect this will have on the level of population that we can support. This is especially true since we are more and more reliant on fossil fuel derivatives to keep food production at high levels. Moreover, we need to look at how a decreasing population, not an easy thing to voluntarily bring about, will affect the way we arrange commerce and trade. As I have stated before one of our great difficulties is that our present economic system has no real ability to go backwards, at least not without great pain.

Energy decline and Y2K are two fundamentally different things. Y2K was only ever likely to have a very specific and temporary effect on modern life. It may have highlighted our dependence on modern technology, but it was in no way an apocalyptic event, and despite public hysteria was never going to be. Nor does energy decline have to be, but we need to be aware that it will have far reaching effects. Peak oil advocates hopefully will bring attention to the problem, but the difference is that the ‘solutions’ to the problem they are highlighting are not equivalent to rewriting a few lines of code. Rather that smirking about peak oil I suspect that most people will be too preoccupied with where they are going to get their next meal to worry about whether peak oil was all it was cracked up to be.
backslope.blogspot.com