Metrolight | 706 followers on LinkedIn. Metrolight provides proven energy-efficient eHID and LED solutions for high-power lighting. Metrolight's ballasts, drivers and managed lighting solutions are used in retail, industrial, commercial and municipal installations to reduce energy consumption and carbon emission by 70%. Pioneering lighting energy solutions since 1996, Metrolight operates worldwide with over 1,000,000 systems deployed and over 8 billion hours in operation.