Genscape gathers and provides its customers online information regarding United States power plant operating status. Genscape uses wireless monitoring devices to collect data from high voltage electric transmission lines at various points on the electric grid. The company translates this information into highly accurate estimates of power plant operating status, allowing Genscape customers to determine areas of excess or deficient supply. Genscape offers its service on a subscription basis to energy traders, power-plant operators, state and federal utility regulators and fuel suppliers nationwide. Many of the leading companies in the energy industry, including several Fortune 500 companies, subscribe to the service.