- Energy Efficiency Services Limited (EESL) was founded in 2009.
- It is a joint venture of four national Public-Sector Undertakings
- NTPC Limited,
- Power Finance Corporation Limited,
- Rural Electrification Corporation Limited and
- POWERGRID Corporation of India Limited.
- EESL is leading the market-related activities of the National Mission for Enhanced Energy Efficiency (NMEEE), one of the eight national missions under the National Action Plan on Climate Change.