Abstract
Flexible block orders designed by European electricity market is a relatively perfect time-sharing electricity price and clearing mechanism. It allows members to provide bidding form of diversification and individuation according to their own characteristics. This mechanism has features of flexibility, compatibility and expansibility, and can reasonably express the trading demands of various types of market participants, which including energy storage. Therefore, it can be used to solve the problem of market participation model of energy storage. Considering the actual situation in China, block orders are suitable for the daily, weekly and monthly markets to help battery energy storage stations. So that they can obtain low-price electric energy by participating in the medium and long-term electricity market and promote the development of them.
Highlights
Chinese power industry is facing two major trends of energy transformation and power system reform [1]
The second is that battery energy storage stations (BESS) buy or sell electric energy in realtime energy market in order to maintain the stability of its state of charge (SOC), which is based on the perfection of spot market construction
This paper analyzes the characteristics of block orders in foreign countries, points out its enlightenment to the construction of Chinese electricity market, puts forward the suggestions, and draws the following conclusions
Summary
Chinese power industry is facing two major trends of energy transformation and power system reform [1]. The intermittent and uncertain nature of renewable energy brings great challenges to the security and stability of the power system, and it is urgent for resources with fast and flexibly such as the battery energy storage (BES) to participate in the regulation. There are still many provinces and regions in China that have not yet run spot market In this circumstance, how to design the market mechanism that suitable for the participation of independent BESS is a problem which needs to be urgently solved now. Considering the actual situation of the electricity market in China, we give some implications on designing mechanism suitable for BESS to participate in the medium and long-term energy market, which can effectively motivate investment and operation of them
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