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193 comments on US Electricity Supply Vulnerabilities

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nh3 on December 6, 2007 - 6:31pm Permalink | Subthread | Parent | Comments top

but isn't consumption about 2TCF a month? if so, then isn't the draw down about 10% p.a.? is the reserve increase after the 10% deducted?

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wkwillis on December 6, 2007 - 8:48pm Permalink | Subthread | Parent | Comments top

Some reserves are technological but not financial reserves. Alaska natural gas is fairly cheap to develop but not cheap enough to ship south in a pipeline and compete with concentrating solar photovoltaic.

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nh3 on December 7, 2007 - 12:15am Permalink | Subthread | Parent | Comments top

any reference data for this line of argument you can point to?

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wkwillis on December 7, 2007 - 4:44am Permalink | Subthread | Parent | Comments top

Yeah, they are asking for a subsidy for the pipeline and a guarantee that they will get a "reasonable" profit.
Sort of like the other energy industries, come to think of it. Solar is still using subsidies, and so is wind. Coal and nuclear are past the immediate subsidies and living on past subsidies, at least.
We have been building unsubsidised gas pipelines in the lower 48 for a long time, now. Unsubsidised railroads for coal, too. I note that the coal miners in Alaska aren't asking for a subsidised railroad, yet. Probably because it's cheaper to ship by sea.

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mdsolar on December 6, 2007 - 9:48pm Permalink | Subthread | Parent | Comments top

Here are Q1 2007 imports and exports in Bcf along with changes from Q1 2006.

Canadian Imports
LNG Imports
Mexican Imports
Total Imports
Canadian Exports
Mexican Exports
LNG Exports (Japan)
Total Exports		 983.4
184.4
17.9
1185.8
128.3
60.0
14.6
202.9		 up 5.0%
up 65.5%
up 616.0%
up 12.9%
up 25.7%
down 7.7%
down 12.6%
up 10.4%

Looks like net import growth could explain some of it but presumably most use is from domestic production so reserve use would have to be subtracted in the growth figures. The dry natural gas is only about 30% of reserves so you are really seeing only 3% or so draw down I think.

Chris

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193 comments on US Electricity Supply Vulnerabilities

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