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US Interior Department Reconsidering Hydropower


Hydropower is getting fresh consideration from the US Department of the Interior. But there are no plans to build new hydroelectric dams to do this. Instead, a recent agency report has concluded that the department could generate up to one million megawatt hours of electricity annually by adding hydropower capacity at 70 of its existing dams and just try! lowest cialis price other water control structures.

Building new dams for hydropower is not generally regarded favorably. While they allow electricity to be generated without carbon emissions, there is unacceptable collateral environmental damage to both surrounding upriver areas which are flooded and to the downriver areas where the water flow is suddenly constrained.

But existing dams for flood control are already built and are not going to be removed anytime soon. And there is a hydroelectric potential at these dams which is presently going unused. The department's list includes 70 potential sites which are located throughout the western US.

The power generation would be done by private firms or other non-federal entities under a "Lease of Power Privilege Agreement," which gives a 40 year right for use of the facility to mexico levitra produce electric power. The department also states that this could provide power for 85,000 homes and will help reach the government targets to meet 80% percent of U.S. energy needs with clean sources by 2035.

images: U.S. Army Corps of india cheap viagra Engineers; U.S. Bureau of Reclamation

via: EERE News

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1 TW-h/year isn't very much...
written by Kalirren, April 13, 2011
1 TW-h/year is equivalent to about about 114 MW of (base load) power. In comparison, the California company eSolar is marketing modular solar thermal power generation units for utility-scale generation. 47 MW is the smallest they'll build. So all of the capacity in these dams is only 3 modules?

Admittedly it's base load power, but still, I'll bet this isn't a very cost effective idea compared to the construction of new solar power plants. Sounds like the Bureau of Reclamation is up to its old money-moving tricks.

Read Cadillac Desert.
Just the tip of the surface
written by Matt, April 13, 2011
Still very much old thought, only looking a big head. Anyone who has seen the navigation damns all along the usefull link pfizer levitra canada Mississippi and its feeder (like the Ohio) know there is massive flow over these "little" damn. While these damns are short, under 50 head, they have massive flow rates. Advances in low head turbines make them great options for hydro-power. Even the "little" rivers that feed in often have small 10 to 20 ft damns, even those are usable.

Then if you want to think really big, there is the gulf stream and the "stream" running down the western side of the country. There are approaches to capture this energy also.

And just "pay" the power companies to do it.
- Charge them N cents for every KW-hour of electricity they make using coal, gas, or nuke. Ok, charge higher for coal if you like. Can increase N over time.
- Pay 10*N cents for every new KW-hour of electricity by green (hyrdo, tide, wind, solar, geothermal) they produce, up to the amount that they were charged. Passed that amount they a smaller amount back as a tax refund. This amount would be cap by the funds raised by the program.
- Yes it isn't "fair" to existing green power, but they idea is to get more green power to replace old power plants.
- Funds generated and not used, could be used to fund either energy saving programs
o Insulation programs for old buildings in the country
o Conversion to better lighting options
o etc
Or to as loan money to build new green power.
written by Doc Rings, April 13, 2011
'Bout time! Wonder when the lightbulb went on?
In River Turbines
written by dialtone, April 20, 2011
In River Turbines - up & down the Mississippi, Missouri, Ohio & other rivers - should all be used. Right here in the Twin cities there is still a dam at Coon Rapids but the turbines were removed - same thing at St. Anthony Falls (no dam at this site ) but a good 50 foot drop or so. We need it all - wind, solar, water, geothermal. Like Matt said - more insulation - triple pane windows - thicker walls thus more insulation.

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