US Patent 10160339 Smart grid management

A control system for a power grid includes a grid load availability evaluator that determines, for a selected time interval, an amount of electrical energy from a power grid that can be used to charge rechargeable electric vehicles by a plurality of charging segments positioned along transportation routes in a transportation network and a switching fabric to regulate, over the selected time interval, the electrical energy provided by the charging segments in accordance with the determined amount of electrical energy from the power grid that can be used to charge rechargeable vehicles.