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Market Assessment Unit

EMC’s Market Assessment Unit (MAU) supports market surveillance and compliance and facilitates dispute resolution in the NEMS.

Effective market surveillance and dispute resolution are essential to protect the integrity of the NEMS.

The Market Assessment Unit assists the Market Surveillance and Compliance Panel (MSCP) in discharging its functions by monitoring and investigating market activity and providing analysis to the MSCP. Issues are considered by the market assessment unit, which brings perspectives in electrical engineering, economics and law.

Poa Tiong Siaw

Poa Tiong Siaw

Senior Vice President

Poa Tiong Siaw heads the Market Assessment Unit, which is responsible for managing the market surveillance, compliance and dispute resolution processes for the wholesale electricity market. He joined EMC as senior economist in Feb 2003 and worked on evolving the wholesale electricity market for efficiency gains. He was instrumental in advising the Rules Change Panel and the EMC Board on a variety of market design issues. Before joining EMC, he was senior economist in the economics division of the Ministry of Trade and Industry, where he conducted and oversaw economic analyses to support economic and trade policies. Tiong Siaw also worked as a treasury economist for DBS Bank and was involved in economic, currency and interest rate-related research. He holds a Master of Social Sciences degree from the National University of Singapore and a Bachelor of Business degree from the Nanyang Technological University.