In February 2010, JTC and the Singapore Economic Development Board unveiled the master plan for the 50-ha CleanTech Park.
- CleanTech Park is Singapore's first eco-business park.
- Developed with emphasis on retaining the natural environment and biodiversity of the area.
- The choice location for forward-looking corporations that have embraced environmental sustainability.
- An R&D and test-bedding site for early adoption of technology and solutions.
- CleanTech Park is the first project to clinch the BCA's Platinum Green Mark for Districts Award in 2012.
- CleanTech Park has been awarded the BCA-NParks Green Mark Platinum Award for the Park's Green Core and a Green Mark Platinum for Non-Residential New Buildings for CleanTech One in 2011.
Since early 2012, CleanTech One, the first development in CleanTech Park has welcomed tenants who are industry leaders in their respective fields.
Some of the private sector companies include:
- DHI Water & Environment, a Danish firm specialising in water and environmental research and consultancy;
- Japan-based Toray Industries, the world's largest producer of carbon fiber, has also established its Toray Water Technology Laboratory (TWTL) at CleanTech Park to conduct research and development of water-treatment technologies;
- Silecs International, a developer and manufacturer of advanced Siloxane polymers;
- CIMA Nanotech – a producer of self-aligning nanotechnology for electronic, coatings for flat panel displays, solar cells, and other printed electronic applications;
- Diamond Energy, a leading Demand Response Aggregator and provider of smart grid solutions and services;
- The Sustainable Energy Association of Singapore (SEAS);
- Yingli Solar, one of the world's largest solar PV module manufacturer in the world;
- Pfizer, one of the world's largest research-based pharmaceutical company;
Public sector organisations include:
- Nanyang Technological University (NTU)’s research institutes in energy and water research, namely the Nanyang Environment & Water Research Institute (NEWRI), and the Energy Research Institute @ NTU (ERI@N).;
- The Solar Energy Research Institute of Singapore (SERIS) laboratories on photovoltaic (PV) module performance analysis and solar-powered air-conditioning will also be located in CleanTech One, including the SERIS Testing and Certification Lab, a joint undertaking between SERIS and VDE-ISE Pte Ltd on PV module certification.