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nothing!</di
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Just an observation. Having spent the month of June in the UK with a brief=
=20
trip to Europe it was very apparent that they are way ahead of us in=20
alternative energy, specifically wind power. We saw literally thousands of =
wind=20
turbines on virtually every river estuary, the shallow seas off my =20
birthplace in Lincolnshire and all over the Welsh mountains. They certainly=
have =20
their detractors over there as we do, but they are way ahead of us with a=
=20
great deal less territory to work with.
Peter Stow
=20
=20
In a message dated 29/08/2012 3:26:40 P.M. Atlantic Daylight Time, c.ma
jka@ns.sympatico.ca writes:
Hi Paul, =20
On 29-Aug-12, at 11:32 AM, Paul MacDonald wrote:
=20
The compelling reason Dave would be cost.
Although it is very possible, it would require somewhere in the order
of twice the investment.=20
The amortized costs of building "pumped storage" reservoir systems are =20
actually extremely modest. For example, the enormous Dinorwig Power Statio=
n in=20
Wales (a facility of this sort) cost =A3425 million (=3D $665 million CAD)=
to=20
construct, a substantial initial outlay, but reservoirs of this sort have=
=20
extremely long lives (on the order of centuries, if not longer) so the=20
amortized annual costs are very low.=20
_http://en.wikipedia.org/wiki/Dinorwig_Power_Station_=20
(http://en.wikipedia.org/wiki/Dinorwig_Power_Station)=20
Dinorwig operates at 74-75% efficiency returning 3/4 of the energy =20
involved in pumping the water into the reservoir. In adjusting to energy us=
e in=20
the grid it can be ramped up from a dead start to full speed in 75 seconds =
=20
delivering 1,800 MW of power which it can sustain for up to 6 hours (it is =
=20
normally used for very much shorter intervals in adjusting electricity load=
=20
balance within the U.K. grid).
If you built this reserve capacity using conventional fossil-fuel =20
generating plants they would emit on the order of 140,000 tonnes of carbon =
dioxide=20
annual into the atmosphere, so Dinorwig provides a substantial =20
environmental savings that benefits climate change.
=20
In addition there would be the power leakage
at the windmill, the pumps and the turbine all to consider not
too mention water evaporation.
Some water can evaporate, but it can also rain, and with additional runoff=
=20
flowing into the reservoir, you get power for nothing!
=20
A great idea for our Great grand children!
Not just for our great grand children, but for us! This is an idea that is=
=20
happening today, and with the continued development of renewable energy we =
=20
are going to be seeing many more. Nova Scotia is a a bit of a disadvantage=
=20
in this regard because of our topography. It greatly helps to have=20
mountains around where such facilities can be located (the higher up you c=
an pump=20
water the smaller the reservoir capacity required). In this regard, perhap=
s=20
the most promising part of the province for such developments might be in=
=20
the highlands of Cape Breton. If reservoirs can be situated not far from=
=20
wind power generating facilities, then electricity transmission losses can=
=20
also be minimized.
Cheers,
Chris
=20
=20
=20
=20
=20
=20
=20
=20
Christopher Majka - columnist, Rabble.ca
Halifax, Nova Scotia, Canada
Email: _c.majka@ns.sympatico.ca_ (mailto:c.majka@ns.sympatico.ca)=20
_http://rabble.ca/blog/26142_ (http://rabble.ca/blog/26142)=20
=20
=20
"The significant problems of our time cannot be solved by the same level =
=20
of thinking that created them." - Albert Einstein
=3D
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color=3D#000000 size=3D4 face=3DArial>
<DIV><FONT size=3D4>Just an observation. Having spent the month of June in =
the UK=20
with a brief trip to Europe it was very apparent that they are way ahead of=
us=20
in alternative energy, specifically wind power. We saw literally thousands =
of=20
wind turbines on virtually every river estuary, the shallow seas off my=20
birthplace in Lincolnshire and all over the Welsh mountains. They certainly=
have=20
their detractors over there as we do, but they are way ahead of us with a g=
reat=20
deal less territory to work with.</FONT></DIV>
<DIV><FONT size=3D4>Peter Stow</FONT></DIV>
<DIV> </DIV>
<DIV>
<DIV>In a message dated 29/08/2012 3:26:40 P.M. Atlantic Daylight Time,=20
c.majka@ns.sympatico.ca writes:</DIV>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: blue 2px solid; PADDING-LEFT: 5px; MARGIN-LEFT: 5px">=
<FONT=20
style=3D"BACKGROUND-COLOR: transparent" color=3D#000000 size=3D2 face=3DA=
rial>Hi Paul,=20
<DIV><BR>
<DIV>
<DIV>On 29-Aug-12, at 11:32 AM, Paul MacDonald wrote:</DIV><BR=20
class=3DApple-interchange-newline>
<BLOCKQUOTE type=3D"cite">
<DIV>
<DIV=20
style=3D"Z-INDEX: auto; POSITION: static; BACKGROUND-COLOR: rgb(255,255=
,255); FONT-FAMILY: 'times new roman', 'new york', times, serif; COLOR: rgb=
(0,0,0); FONT-SIZE: 12pt">
<DIV><SPAN>The compelling reason Dave would be cost.</SPAN></DIV>
<DIV=20
style=3D"BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY=
: 'times new roman', 'new york', times, serif; COLOR: rgb(0,0,0); FONT-SIZE=
: 16px">Although=20
it is very possible, it would require somewhere in the order</DIV>
<DIV=20
style=3D"BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY=
: 'times new roman', 'new york', times, serif; COLOR: rgb(0,0,0); FONT-SIZE=
: 16px">of=20
twice the investment. </DIV></DIV></DIV></BLOCKQUOTE>
<DIV><BR></DIV>
<DIV>The amortized costs of building "pumped storage" reservoir systems a=
re=20
actually extremely modest. For example, the enormous Dinorwig Power=
=20
Station in Wales (a facility of this sort) cost =A3425 million (=3D =
$665=20
million CAD) to construct, a substantial initial outlay, but reservoirs o=
f=20
this sort have extremely long lives (on the order of centuries, if not lo=
nger)=20
so the amortized annual costs are very low. </DIV>
<DIV><BR></DIV>
<DIV><SPAN style=3D"WHITE-SPACE: pre" class=3DApple-tab-span><A=20
title=3Dhttp://en.wikipedia.org/wiki/Dinorwig_Power_Station=20
href=3D"http://en.wikipedia.org/wiki/Dinorwig_Power_Sta