Report | 2019

Implications of Energy Spot Markets in China

Finding the Right Market Mechanisms to Address the Technical, Economic, and Political Impacts of China's Market Reform

By Ruosida (Star) LinDan Wetzel
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China is in the process of introducing electricity spot markets, which could greatly improve power plant dispatch, reducing costs and CO2 emissions. Compared with China’s dispatch protocol before the 2015 electricity market reforms, our research shows market dispatch could reduce costs and emissions by up to 4% today, growing to 12% savings by 2035 according to IEA estimates.

Power markets will substantially change how generators operate and are paid, and ultimately help determine which resources are essential to economically meet electricity demand. Electricity spot market pilots in select provinces are underway, and regulators are concerned about how their market designs will impact generators: how will their economics change, how might this effect GDP and jobs, and how do we manage these changes? Understanding these impacts is key to managing stakeholders and finding a politically feasible, balanced way to institute these reforms. Without this, reforms may meet with strong resistance, delay or halt implementation, or force regulators to make concessions that sacrifice cost and emissions reductions.

We believe rigorous, independent analysis enables regulators to evaluate market designs for their appropriateness in their province and select the right political mechanisms to manage the transition. This is why Rocky Mountain Institute (RMI) along with experts from China’s electric utility think tanks have developed a modeling tool that provides a rough estimate of which generators will exit the market and what the resulting market prices for generators will be under a specific market design. This analysis, conducted on are presentative sample of generators in China’s northern regions, is an example of the types of analysis provincial regulators might find useful in setting up their electricity spot markets, allowing them to assess different market design scenarios to decide which is best suited for their province.