In order to promote the construction of a new power system, establish and improve the demand response system, guide power users to participate in power regulation, ensure the safe and stable operation of the power system, and promote the effective consumption of new energy, according to the relevant requirements of the state and in combination with the actual situation of our province, we have organized and drafted the Guizhou Power Demand Response Trading Scheme (hereinafter referred to as the Scheme).
1. Formulation basis
(1) "Measures for Power Demand Side Management (2023 Edition)" clearly States that the local power operation authorities are responsible for the demand response work in the region, establish and improve the linking mechanism between demand-side resources and power operation regulation, and gradually integrate demand-side resources into power balance by means of virtual power plants, etc. Improve the flexibility of the power system.
(2) The Measures for Power Load Management (2023 Edition) clearly States that, according to the principle of "who provides, who profits, who benefits, who bears", we should support the areas where conditions permit to establish and improve the demand response price mechanism linking up with the power market by means of implementing peak electricity prices and widening the price limit range of the spot market.
2. Necessity and feasibility
of establishing and improving power demand response (1) Necessity
is to implement the relevant national policy requirements. Relevant documents of the state make it clear that the competent departments of local governments should improve and perfect the comprehensive guarantee system of laws and regulations for power demand side management, improve the relevant market mechanisms and rules according to the needs of demand side resources participating in the power market, and guide power users to voluntarily adjust their power consumption according to the operation needs of the power system mainly through economic incentives. To ensure the safe and stable operation of the power system.
The second is to solve the short-term shortage of power supply and demand and the need for renewable energy consumption. On the one hand, with the improvement of people's living standards, the number of electrical equipment in every household is increasing, the peak load is getting higher and higher, and the power system is prone to short-term supply and demand tension. The implementation of peak clipping demand response can guide power users to reduce the peak load and promote the balance of power and electricity. On the other hand, with the substantial increase in the installed capacity of new energy, the problem of new energy consumption at noon is becoming more and more prominent. The implementation of valley filling demand response can encourage power users to increase the electricity load during the valley period and effectively reduce the rate of new energy curtailment.
(2) Feasibility
First, the power system has the conditions to support the implementation of demand response. After years of development, the relevant functions of power dispatching system and power market in our province have been relatively perfect, and a new power load management system has been established, which can remotely control the power consumption of users in accordance with the law and regulations. At the same time, the power consumption devices of power users have time-sharing metering conditions, which can record the power load and power consumption in real time, and provide technical support for the implementation of power demand response.
Second, the transaction price mechanism can effectively encourage market participants to participate. The transaction scheme is clear that the upper limit of the peak shaving price is 2 yuan per kilowatt-hour, that is, the market participants can reduce the electricity load during the peak shaving demand response period, and the maximum compensation is 2 yuan per kilowatt-hour; The upper limit of invitation-type valley filling price is 0.45 yuan/kWh (the average electricity income of new energy), that is, the market participants increase electricity consumption during the implementation of valley filling demand response period, and the maximum compensation for each additional kilowatt H of electricity is 0.45 yuan. Specific compensation standards are formed through market bidding. The upper limit of compensation price for
real-time peak shaving and real-time valley filling shall be 1.1 times of the upper limit of price for invitation peak shaving and invitation valley filling respectively.
3. The framework and main contents
of the Program are divided into nine parts: general requirements, working principles, market participants, organization and implementation, response evaluation, assessment and appeal, settlement methods, sources of funds, relevant requirements and implementation time. Specifically:
The first part: the main objectives. Establish and improve the demand response trading mechanism, guide power users to voluntarily adjust their power consumption behavior according to the demand of power system operation, and promote the formation of a demand response capacity of more than 5% of the maximum power load of the whole network.
The second part: the market main body, the transaction variety and the price mechanism. Define the type of resources, registration conditions, trading varieties and price mechanism.
The third part: organization and implementation. Define the starting conditions and implementation process. Part
IV: Response evaluation. Define the calculation and evaluation criteria of baseline load and sample data. Part
V: Assessment of appeals. Clear assessment methods, implementation results and appeal process. Part
VI: Settlement Method. Clarify the demand response fund settlement principle and calculation formula. Part
VII: Sources of funding. According to the principle of "who provides, who profits, who benefits, who bears", the demand response funds for peak shaving are shared by all industrial and commercial users according to the monthly settlement of electricity consumption, and the demand response funds for grain filling are shared by all new energy power generation enterprises according to the monthly on-grid electricity consumption. Part
VIII: Relevant requirements. To clarify the connection between demand response and orderly electricity consumption, electricity energy market, transaction electricity fee settlement, etc. Part
IX: Time of Implementation. It is clear that this scheme will be implemented from the date of issuance.
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