The dams have not produced power since that time, but continue to block upstream fish passage.
The new dams would produce 0.03 percent of the nation's present fossil fuel usage.
However, the dam produced no electricity for Seattle until 1936.
Hydroelectric dams do not produce any of the gases that contribute to smog or global warming.
Today the dam contains the lake, but has not produced electricity in several decades.
A dam produces negative effects that continue down the watershed.
The Confederate States needed the electricity those dams produced.
Aside from controlling flows in the lower river the dam also produces some hydroelectricity.
The dam was constructed to conserve water and produce hydroelectricity.
The turbines can only be operated when there is sufficient flow, which means the dam cannot continuously produce electricity.