Explanation:

Energy Efficiency Services Limited (EESL) is an energy service company (ESCO) of the Government of India and is the world's largest public ESCO. It is 100% government owned, a joint venture of state-owned NTPC Limited, Power Finance Corporation, Rural Electrification Corporation and POWERGRID. EESL was formed under India's Ministry of Power to facilitate energy efficiency projects. Innovative business and implementation models can significantly reduce consumption and costs. EESL also acts as the resource centre for capacity building of state electricity distribution companies, electricity regulatory commissions (ERCs), state-designated agencies (SDAs), upcoming ESCOs, financial institutions, etc.