CalamityJane wrote:George, solar energy is the answer
I certainly agree about the environmental merits of solar power and that it merits continued investigation & research to find economic applications for it. However solar power costs a LOT more than our conventional sources -- about twice the cost of power derived from coal or natural gas fired plants and about three times the cost of power from our nuclear plants.
Moreover, solar power is unevenly available across the country and a significantly increased investment in transmission facilities would be required to support a national grid based on solar power.
I don't think our economy could endure a doubling or tripling of our basic energy costs without huge dislocations of our patterns of production & consumption, and very significant social & international political consequences.
Even in Europe, where the political commitment to resolving the AGW matter is high (although that is matched by an equally high level of hypocrisy in terms of failing to match words with actions --except for Germany, which is investing heavily in renewables, mostly wind power) there has been very little progress in the application of solar power. Lots of high-sounding rhetoric, but solar power there is no more advanced than it is here (less than 2% of consumption). The reason for this is its cost.
I believe there is real potential for applications of solar power to replace some of the electrical power consumed in homes, offices and some industrial facilities, particularly in some regions of the country - Southern California, a good example. I also believe we should continue to subsidize such applications at about the level we are doing now. However this doesn't reach the major portion of our consumption of electrical energy, and, as we have already seen, the relatively high cost seriously limits the willingness of people to use it.
Nuclear plants are safe and very efficient (the lowest cost source we have, except for hydropower from dams). They can be used with equal efficiency in northern latitudes. The 98 operating nuclear plants we have today deliver 20% of our total electrical power and have a better operational reliability record and lower cost profiles than the coal & gas plants that compete with them. Merely doubling the number of these plants would achieve the goals set for us in the ill-conceived Kyoto treaty. The most amazing thing about the current energy "crisis" is that we haven't done so already.
The good news is that new nuclear plants are really coming. At least a dozen new plants are scheduled for construction in the next seven years - mostly co-located with existing plants.