The Energy Sustainability Unit (ESU) was established in August 2004 at the School of Design and Environment, NUS through the support of the Economic and Development Board (EDB), the National Environment Agency (NEA) and the Energy Market Authority (EMA).

It is a Partner of the Economic Development Board (EDB) Locally-based Enterprise Advancement Program (LEAP) and receives a Partnership grant of $400,000 over a period of 2 years to undertake 4 programmes sponsor by EDB