Power transmission is the moving of electrical energy from the source to the end user. It includes the transmission substation and the distribution substation.The installation of new structures and facilities always raises public concerns that need to be addressed. Moving power is one of the issues accompanying renewable energy systems.Around the world, the mix of power systems varies, but nearly all power is connected to a transmission grid at the source.Exceptions are some stand-alone renewable systems, including some small wind farms and solar farms. In many cases, the grid has been extended to their locations so they can be connected.Government agencies are involved in decisions to extend the grid to new locations because such work often crosses private land. In the United States, the agency responsible for these decisions is the Federal Energy Regulatory Commission.Extending the grid involves expensive investments; in some cases, the cost is slowing down the expansion of new renew...
