NTPC GE Power Services Pvt. Ltd. (Formerly NTPC ALSTOM Power Services), an ISO 9001:2008 compliant organization, is a joint venture Company formed through the partnership of two leading Companies in the global power sector, namely NTPC Ltd., India and GE Power Systems GmbH.

NGSL (Formerly NASL) is a 50 : 50 joint venture of NTPC and GE Power for providing world class services for Renovation and Modernization of power plants in India.

NGSL is fully committed to provide comprehensive services to its customers related to the Rehabilitation, Renovation and Modernization of power stations in India. We provide efficient, cost effective, advanced technologically and environmental friendly EER&M (Energy Efficient Renovation & Modernization) solutions to our customers by combining the core competencies of the joint venture partners.