Power generation accounts for 39% of water usage in the US. Coal, natural gas, and nuclear power plants use the most amount of water while renewable energy like wind and solar photovoltaic use the least. Increasing competition for water coupled with current droughts make it all the more important to devise new ways to create electricity without using nearly as much water.
Opflow, a journal of the American Water Works Association discusses this and more in  a thoughtful publication “How Can We Avoid the Coming Power Struggle for Water?” One way is by using renewable energy
Read more about how renewable energy uses less water than traditional energy.