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Articles

EMC writes and publishes articles related to specific aspects of the market.

Review of Price Revision in the NEMS

Tan Liang Ching, Senior Economist (2008) and Teo Wee Guan, Senior Economist (2007)
Publication Date: March 2008

This paper assesses the arguments for and against price revision, and draws comparison to two other ex-ante pricing markets, the Australia National Electricity Market (NEM) and the Argentina Wholesale Electricity Market (WEM). It then presents EMC’s recommendations, which strive to balance the interests among all NEMS stakeholders.

Nodal Price Difference by Transmission Loss

Lu Feiyu, Senior Market Analyst
Original Publication Date: November 2004; updated March 2008

This paper focuses on the relationship between nodal prices and transmission loss.

Regulation Study: A Market Clearing Study of the NEMS

Lu Feiyu, Senior Market Analyst
Original Publication Date: October 2005; updated January 2008

This paper provides an understanding of what regulation is and how it works in the NEMS.

Spring Washer Effect: A Market Clearing Engine Study of the NEMS

Lu Feiyu, Senior Market Analyst
Original Publication Date: October 2004; updated September 2007

This paper explores the spring washer effect in detail and discusses its relationship with nodal prices.

Non-Physical Loss Handling: A Market Clearing Engine Study of the NEMS

Lu Feiyu, Senior Market Analyst
Original Publication Date: September 2004; updated April 2007

The paper studies the reasons for non-physical loss handling in the National Electricity Market of Singapore (NEMS) and focuses on the instances where it is triggered by a negative marginal offer price.

Out-of-Merit-Order Dispatch: A Market Clearing Engine Co-Optimisation Study

Lu Feiyu, Senior Market Analyst
Original Publication Date: May 2004; updated December 2006

The paper explores the co-optimisation aspect of the Market Clearing Engine (MCE), reporting the result of a query by a market participant and providing some recommendations in response.

Stepping Through Co-Optimisation: A Market Clearing Study of the NEMS

Lu Feiyu, Senior Market Analyst
Original Publication Date: May 2004; updated October 2006

The paper explores the co-optimisation aspect of the Market Clearing Engine (MCE), a computer model that solves constraints, limits and requirements of the NEMS in real time.