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Strategies & Market Trends : 2026 TeoTwawKi ... 2032 Darkest Interregnum

GLD 387.24

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Dec 2 4:00 PM EST

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To: elmatador who wrote (11253)	11/27/2007 12:41:40 AM
From: Archie Meeties	Read Replies (1) of 218155

Timely post. Here in the Western US the snowpack is going down yoy, and climate models projecting current trends call for snow free mountains in CO by the end of the century. RM snowpack is the primary source of water for the mountain west. Some ski resorts are now beginning to use snowmachines to keep the usual season - unheard of in the higher elevations of CO. Some of the data I've crunched through recently looks at the the following situation If water resources are considered finite, does this affect the choice of energy generation? Consider these numbers: new coal plants evaporate 0.5 gallons of water per KWH of energy. The productivity of water in California (admittedly this is an extreme case as California excels in water productivity) is about $8.50 per 100 gallons. This comes out to 0.045 cents per KWH. So one way municipalities offering free water to coal plants should look at numbers is to see that coal fired generation sucks out 4 cents per KWH from some other productive use of water. Unless you have a surfeit of water (in which case you should be using hydro) this consideration makes coal obsolete instantly in areas of finite water resource. Given finite water, wind is far cheaper than coal, and solar will close the gap soon. I'm just leaving out health and environmental costs (got mercury?). Of course, at the moment water is just treated in most areas like its an infinite resource; with a few notable exceptions these choices are never raised. But they will soon (maybe in January in Atlanta, lol). nrel.gov. PNW= pac NW, CRM = Co RM, etc. smig.usgs.gov/SMIG/features_0300/snowpack_gcm.fig10.gif

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