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Wind turbines on buildings

Keith Parkins | 31.10.2009 14:16 | Climate Chaos | Energy Crisis

Wind turbines on apartments. Cosmetic window dressing, an exercise in futility, as functional they are not.

south-facing roofs not used
south-facing roofs not used

wind turbines on apartment
wind turbines on apartment

wind turbines on apartment
wind turbines on apartment

wind turbines on apartment
wind turbines on apartment


Over the last year I have watched apartment blocks being erected. Walking past a couple of days ago I noticed looking down at me like modern-day gargoyles a row of wind turbines. Cosmetic window dressing, an exercise in futility, as functional they are not.

The wind speed would be too low, the wind turbulence too high for any meaningful power generation. Were the wind speed to be of sufficient velocity, I doubt the building could handle the torque generated. Three of the wind turbines are in a row too close together, three are in a valley on the roof. The apartments immediately below the wind turbines are going to be disturbed by the noise, and possibly vibration, though if well balanced, vibration should be minimal.

What struck me as I have watched the apartments being built is that there is extensive south-facing roof area, and yet no use has been made of this roof area for solar energy collection, either for water heating or electricity generation! The roof should have been covered with amorphous silicon roof tiles or slates, converting the entire south-facing roof areas into a solar-power generator, powering the apartments, with the surplus electricity fed into the grid.

Curious, I went back the next day to make inquiries and investigate further.

I spoke with the marketing suite, who directed me onto the site. I wandered around the site. From what observed and those I spoke to, the wind turbines are mere window dressing. There are higher blocks further into the site, but these were not used for the wind turbines. They are in their location because they are visible from the main road!

What I found was an opportunity lost. The site is on a gentle south-facing slope. Ideal for buildings to be passively heated, but no advantage taken of what the site offered. No use made of heat pumps, no solar arrays on the roofs or integral to the roofs. Two of the blocks are heated centrally, but not by a combined heat and power plant.

The wind turbines were shipped in from the States!

We learnt in the 1960s not to house social housing tenants in blocks. Those same mistakes are being repeated all over again. The developer has not been able to sell the apartments, 40% have been sold to a housing association, I was told these are inferior apartments, all housed in the same block. I hate to think what this little estate will be like in ten years time with bored kids and angry teenagers hanging around.

Access to the site was very dangerous. An accident waiting to happen. I was almost run down.

Much can be done with new buildings to make them energy efficient and net power generators, but it is not being done. This is due to lack of vision by architects and builders, but also to blame are local planning authorities whose level of competence goes little beyond the siting of a garden shed.

Local generation is important. A development of this scale should have had on site a local combined heat and power plant running off natural gas, feeding the apartments with hot water and electricity, any surplus electricity generated fed into the national grid. The ground floor apartments could have been fed by ground-source heat pumps, the top apartments with roof-top solar collectors.

We need community-owned wind turbines, powering local communities, with the surplus fed into the national grid. It is a moot point whether or not this site could have had its own wind turbine, as it is on a slope running down into a dip, but they could have invested in a nearby community wind turbine.

No development should be permitted unless it is carbon neutral, furthermore, it should be a net generator of carbon-neutral electricity and low-grade heat.

Also see

Lester R Brown, Plan B 2.0, Norton, 2006
 http://www.earth-policy.org/Books/PB2/Contents.htm

Kate Evans, Funny Weather, Myriad Editions, 2006
 http://www.heureka.clara.net/books/funny-weather.htm

Paul Hawken, Amory B Lovins & L Hunter Lovins, Natural Capitalism, Earthscan, 1999

James Lovelock, The Revenge of Gaia, Penguin, 2007
 http://www.bookcrossing.com/journal/6805905

David MacKay, Sustainable Energy, UIT Cambridge, 2008
 http://www.indymedia.org.uk/en/2008/12/415544.html?c=on

George Monbiot, Heat, Penguin, 2007

Keith Parkins, Natural Capitalism, heureka, October 2000
 http://www.heureka.clara.net/gaia/nat-cap.htm

Keith Parkins, Soft energy paths, heureka, May 2001
 http://www.heureka.clara.net/gaia/energy.htm

Keith Parkins, Brittle power, heureka, October 2003
 http://www.heureka.clara.net/gaia/brittle-power.htm

Keith Parkins, Curitiba – Designing a sustainable city, heureka, April 2006
 http://www.heureka.clara.net/gaia/curitiba.htm

Keith Parkins, Fuel poverty, Indymedia UK, 15 September 2008
 http://www.indymedia.org.uk/en/2008/09/408783.html?c=on

Keith Parkins, Energy gap, Indymedia UK, 17 September 2008
 http://www.indymedia.org.uk/en/2008/09/408898.html?c=on

Keith Parkins, Transition towns, Indymedia UK, 9 October 2008
 http://www.indymedia.org.uk/en/2008/10/410292.html?c=on

Keith Parkins, Wind turbines on buildings, wordpress, 31 October 2009
 http://wp.me/pEcZI-2k

Keith Parkins, Beyond sustainability, to be published

Ernst von Weizsåcker, Amory B Lovins and L Hunter Lovins, Factor Four: Doubling Wealth, Halving Resource Use, Earthscan, 1997

Keith Parkins
- Homepage: http://www.heureka.clara.net/gaia/

Comments

Hide the following 3 comments

Never mind the wind mills

31.10.2009 18:48

Where would you keep your bicycle in a flat like that? Those sort of flats are built to sell, not to live in. buying poorly designed and over priced housing may make the development corporations rich but it will make the rest of us poor in years to come. The size of new builds was a popular news topic in mid september.  http://www.dailymail.co.uk/news/article-1205709/Rabbit-hutch-UK-Newly-built-homes-smallest-rooms-EU.html

A Builder


reminds me of flats built on floodplain where I grew up, torque wouldnt effect

31.10.2009 20:33

the roofs if the turbines were attached to columns or beams properly even at height. If turbines that size can be erected on hills just normal scaffold, a portable base plate & rope, it can be done on a building.Problem again is planing, your allowed to put a turbine in your back garden where its useless, but on top of a roof even safely is much harder.
Wish my flat wasnt rented, then I wouldnt be torquing so much

James


NY City cops, they ain't too smart.

01.11.2009 00:09

Reminds me of [Personal Details Removed] Peace Camp where they spent all day on 'wood-runs'. It had a donated wind-generator that never turned once since it was installed at half the height of the tree-line, rather than up a tree with a longer cable. It had a donated low-power solar-cell constantly covered with leaves. It had a donated bicycle generator that was left out to rust in the rain. It had a Raeburn range that burned down the communal that was effectively powered by the petrol it took to fill it with wood from farther and farther afield.
And it still has a small but regular stream that the greenest minds of a generation couldn't harness.

Stop the donations and maybe the fakers will evolve into intelligence.

Magog


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