High temperature thermal energy storage systems, in combination with bottom steam cycles, are being investigated as potential cost effective alternatives to traditional large-scale energy storage
Abstract This study systematically investigates the design and performance of a Coal-Fired Power Plant integrated with Thermal Energy Storage (CFPP-TES) system to
The frequent peak shaving of coal-fired power plant is required with the rapid development of intermittent renewable energy sources [1, 2]. Hence, as the main supplier of
In order to alleviate the peak shaving pressure of power grid and further improve the deep peak shaving capacity of coal-fired units, this paper applies staged heat storage to
An advanced carbon capture system coupled with energy storage is proposed for coal-fired power plant, which can extract excess steam at off-peak time to desorb CO 2, and
Natural gas peak shaving power station with gas-steam combined cycle is widely used to meet the demand of peak load regulation of the power grid. However, the exhaust heat of the system
The proposed scheme reduces CO 2 emissions while meeting heating demand. The operational flexibility of thermal power plants is important to consume renewable energy
Coal-fired power plants (CFPPs) not only bear the burden of peak shaving, but the mission of energy saving. However, the increasing peak-valley difference leads to the
Wind power curtailment becomes a major problem in many countries. The wind accommodation mechanisms and energy saving potentials for the combined heat and power
This study systematically investigates the design and performance of a Coal-Fired Power Plant integrated with Thermal Energy Storage (CFPP-TES) system to enhance peak shaving
Three different heat storage and release schemes for the coupled molten salt-water system are comparatively analyzed in terms of peak shaving performance and thermal efficiency. The
Abstract Grid stability amidst the global energy transition and the pursuit of carbon neutrality is critically dependent on enhancing the flexible peak-shaving capability of
Coal-fired power plants (CFPPs) not only bear the burden of peak shaving, but the mission of energy saving. However, the increasing peak-valley difference leads to the difficulties of peak
Round-trip efficiency and comprehensive coal consumption rate of the full peak shaving process were calculated. The results demonstrate that as the mass flow rate of
This study systematically investigates the design and performance of a Coal-Fired Power Plant integrated with Thermal Energy Storage (CFPP-TES) system to enhance
To improve the peak shaving performance of coal-fired power plants (CFPPs), this study proposed coupling a compressed air energy storage (CAES) system with CFPP,
In order to study the problem of energy storage station planning for a high proportion of distribution energy grid-connected power system, an optimization model of energy storage
Hybrid power plant for energy storage and peak shaving by liquefied oxygen and natural gas. Stefano Barsali, Alessio Ciambellotti, Romano Giglioli, Fabrizio Paganucci,
The transition to renewable energy production is imperative for achieving the low-carbon goal. However, the current lack of peak shaving capacity and poor flexibility of coal-fired units
Ensure Reliability Electrical power surges can occur during times of high demand, especially when relying on offsite energy storage systems. With peak shaving, the amount of power that is being consumed
Comprehensive consideration of pumped storage power units capacity and the factors influencing the load time, the optimization of load distribution for pumped storage power units and coal
The development of large-scale, low-cost, and high-efficiency energy storage technology is imperative for the establishment of a novel power system based on renewable energy sources
Abstract: Integrating a high proportion of intermittent renewable energy provides a solution for the higher peak-shaving capacity of coal-fired power plants. Oxy-fuel combustion is one of the
Regulating the thermal system configuration can improve the ramp-up rate of the coal-fired power plants during peak shaving transient processes, while it may bring penalties in
Natural gas peak shaving power station with gas-steam combined cycle is widely used to meet the demand of peak load regulation of the power grid. However, the exhaust heat
With a projected capacity of over 9 GW and 71 GWh, the storage system will play a crucial role in balancing Italy''s energy grid, storing surplus renewable energy during low-demand periods and supplying it
The frequent peak shaving of coal-fired power plant is required with the rapid development of intermittent renewable energy sources [1,2]. Hence, as the main supplier of
Abstract Improving the peaking capacity of coal-fired units is imperative to ensure the stability of the power grid, thus facilitating the grid integration and popularization of large
The transition to renewable energy production is imperative for achieving the low-carbon goal. However, the current lack of peak shaving capacity and poor flexibility of coal-fired
This work aims to identify a methodology that supports the analysis and design of a production, self-consumption and storage system, which services a residential user aggregate, in order to reach...
The paper deals with the thermodynamic analysis of a hybrid system including energy storage and production based on a liquid air energy storage plant where only oxygen is liquefied, while
Comparative assessments demonstrate superior performance in terms of efficiency and economic viability compared to other advanced large-scale energy storage systems. This work provides a robust solution for enhancing coal-fired power plant flexibility, supporting the transition to renewable-dominated grids.
Minimum power load reduces to 18.5 %, achieving a round-trip efficiency of 58.5 %. The system outperforms others in both round-trip efficiency and payback period. The increasing integration of renewable energy necessitates coal-fired power plants to operate flexibly at low loads for grid stability.
To integrate more renewables into the grid, coal-fired power plants (CFPP) are facing greater demands for peak-shaving capacity, especially in operation under extremely low loads . During low-load operation, CFPP encounters several critical challenges, primarily including combustion instability and inefficiency.
The increasing integration of renewable energy necessitates coal-fired power plants to operate flexibly at low loads for grid stability. However, conventional coal-fired power plants face limitations in peak-shaving capacity, efficiency, and economic feasibility.
To address these challenges, this study proposes a novel system coupling molten salt energy storage and a steam accumulator based on cascade thermal energy utilization. The integrated system decouples boiler and turbine operations by extracting live steam, enabling stable operation of coal-fired power plants under extreme load reductions.
Steam power plants (SPPs), as the main regulation resource for operational flexibility, are frequently required to operate at ultra-low loads (lower than 30 % load) to meet grid requirements, which results in thermal efficiency reduction, higher generation costs, and increased greenhouse gas emissions.
