georgia power is the main electric power company across the state and the metro area, beginning in 1902 as georgia railway and power company, atlanta's streetcar (trolley) company. several electric membership corporations also serve the suburbs. these include the second-largest emc in the nation in jackson emc, cobb emc, and sawnee emc. the city of marietta operates its own electric utility, marietta power, under the board of lights & water (blw). it is also a member of the municipal electric association of georgia (meag).