Rectangular seal ring In mechanical equipment and industrial applications, the...
Electricity market transaction
With the gradual opening of the power market and the deepening of the reform of the power system, there are more and more opportunities for photovoltaic + energy storage systems (optical storage systems) to participate in the power market trading. This profit model not only provides a new revenue channel for enterprises, but also helps to optimize the allocation of power resources. This article will explore how optical storage systems can be profitable through electricity market trading, and analyze the advantages and challenges of this model.
Optical storage system and power market trading
The optical storage system can accurately predict the demand and price trend of the power market, reasonably arrange the charge and discharge plan of the energy storage equipment, and carry out trading transactions in the power market, so as to obtain additional earnings. This model requires enterprises to have keen market insight and efficient operation management capabilities to make full use of the profit opportunities brought about by the volatility and uncertainty of the electricity market.
Profit model analysis
Compensation for peak and frequency modulation
At present, at least 19 provinces in the country clearly give the standards for peak regulation and frequency modulation compensation of energy storage power stations involved in scheduling, concentrated in 200 to 600 yuan /MWh, which has become the most important way to recover the cost of energy storage power stations.
For example, the "photovoltaic + energy storage" project in Tushan Town, Laizhou, Shandong Province, equipped with a 12MW/24MWh energy storage system, has been connected to the provincial platform, and can be directly scheduled by the provincial adjustment, so as to obtain peak regulation and frequency modulation compensation.
Return on investment in thermal power distribution and storage
Thermal power distribution energy storage mode, mainly through improving the power plant frequency modulation response ability, participation in frequency modulation auxiliary services to gain benefits. The frequency modulation of fire storage is the application field with the highest degree of marketization and relatively good return on investment.
Power grid side energy storage profit model
The main function of energy storage on the grid side is to provide auxiliary power services such as peak regulation, frequency regulation and backup power supply, maintain the safety and stability of the power system, and ensure the quality of power. Ease grid congestion, thereby delaying grid expansion. The term of the capacity lease contract is short or there are income risks, but with the increase of new energy installed capacity and the improvement of energy storage income channels, the demand for capacity leasing will further increase.
User-side energy storage profit model
At present, the main revenue models of user-side energy storage include peak-valley arbitrage, energy time-shift, demand management and demand-side response. These modes smooth power generation and power consumption through the energy storage system, improve the photovoltaic power generation and consumption rate, and maximize the benefits.
Market trading risks and strategies
Compared with the medium and long term market, the power trading work in the spot market has reached a higher level from the aspects of business process, complexity, control difficulty and number of risk points. Enterprises need to formulate medium - and long-term trading strategies in combination with spot market price prediction and restrictions on trading rules. At the same time, the difficulty of power curve trading in user-side marketing and position control has also been greatly improved.
conclusion
The profit model of optical storage system participating in power market trading provides a new source of income for enterprises, and also helps to improve the allocation efficiency of power resources. However, this model also brings new challenges, including market risk management and the development of trading strategies. With the deepening of power market reform, the potential of optical storage system in power market transactions will be further released and become a new growth point for corporate profits.
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