Installation, maintenance and repair services of power grids, substations, power transmission, power distribution systems and energy storage systems; maintenance of power grids, substations, power transmission and power distribution systems using remote monitoring hardware and downloadable software; repair of energy supply installations; installation, maintenance and repair of apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricit...

Installation, maintenance and repair services of power grids, substations, power transmission and power distribution systems; Maintenance of power grids, substations, power transmission and power distribution systems using remote monitoring hardware and downloadable software