well the cooling part comes from condensing low pressure steam back into water so it can be pumped by a boiler feed pump. This just starts the cycle all over again. The two big problems with fossil fuel plants are cost for the fuel and the left over contaminants. These power plants make 70% of our energy. That's a ridiculously high amount. The main reason it is so high is because the public halted Nukes from being built in the 80's. What's funny is everyone (company engineers) know the basics, we convert heat energy into mechanical energy into electrical energy from a GE or Westinghouse giant turbine. To do this the input steam has to be superheated to 1,010 deg so that it is super clean of moisture and about 1,000 lbs psi.
With geo we can get away from all of this and even take another step with Lava. Lay a grid of tubes on ceramic pillars next to lava, pump them with local sea water, use the steam water combo to power a new type of turbines similar to hydro electric damns. the steam water exits right back into the ocean. What have we done so far ? 1. used existing heat energy that's free 2. Use plain old salt water that's free. 3. make enough power to use the large 1,000 megawatt generators. What we didn't do, 1. use the same old GE and Westinghouse turbines that power our grid and need an army of technicians to repair and maintain. 2. Buy coal and or any other fuels. 3. Have left over air and land contaminates. just my idea
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