Converting coal into synthetic gas at the place where the coal is found in nature. A material having a relatively high resistance of heat flow and used principally to retard heat flow. The agreement among interconnected utilities under which they buy, sell and exchange power among themselves. This can, for example, provide for economy energy and emergency power supplies. The linkage of transmission lines between two utilities, enabling power to be moved in either direction.
Interconnections allow the utilities to help contain costs while enhancing system reliability.
An engine in which fuel is burned inside the engine. A car's gasoline engine or rotary engine is an example of a internal combustion engine. It differs from engines having an external furnace, such as a steam engine. Electricity supplied under agreements that allow the supplier to curtail or stop service at times. A transmission line that links two or more regional electric power systems.