There are many different ways to harness the energy in water. The most common way of capturing this energy is hydroelectric power, which is just electricity created by falling water. The reason we are now searching for the new ways of energy particularly the way of water is because we need something that will last us longer than that of the fossil fuels that we are using this day in age. In the earlier years of Washington we needed a way to get energy in the PNW so we came up with the way of Hydro Electric power which we created by making dams on the Columbia River and using the power of the falling water to get energy.
             Hydro power consist of 85% to 90% of the PNW's electrical needs and the other little bit is produced by the coal and nuclear power plants in the area. Over about a 70 year spanned of time making dams became really popular and here in the PNW we constructed 55 of the nicest dams in the world.(Lambert 362) That number is one third
             of the United States dams all put together, and the Columbia River is the most Hydroelectric in the whole world. So this all proves that Hydro power is the most valuable and abundant in the region.
             Out of the fifty five dams that were built 21 of them were constructed by the army and the others were all constructed by the government. These dams have a capacity for almost 18 million kilowatt hours. All these dams that were
             constructed were multi purpose dams.The main purpose for the dams is tocreate hydro power for the people and the other reasons are flood control, store water, irrigate farm lands, create water navigation, and provide recreational activities(Lambert 363).
             All dams have a sort of storage tank which is built up water behind the dam which is called a resivour. When the demand for electricity becomes high they will open the water way so that they can get more of the water from behind the dam to flow through the turbine
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