It is essential to maintain the balance of supply and demand of electricity. With the increasing penetration of renewable energy on the power grid, maintaining this balance has become more
The integrated energy system (IES) has the advantage of improving energy utilization and promoting energy flexibility. From the perspective of demand-side load
Fossil fuel boilers • Efficiency of 80-85% with new condensing boilers up to 95% Heat pumps can use electricity or thermal energy as their primary energy source Focus on electric heat pumps
Customer-sited electric energy storage (e.g., batteries) is not considered in this analysis, while customer-sited thermal energy storage (e.g., electric water heaters, building thermal capacity)
The impacts of different types of thermal energy storage (TES) on the electricity and district heating (DH) systems are examined using a Greenfield investment model, with the
We analyse new flexibility assets such as electricity storage, heat pumps, demand-side response with existing wet appliances, electric boilers for domestic hot water and
Strategic Optimization and Demand Response for Thermal Load Management in Multi-Regional Integrated Energy Systems: A Stackelberg Game Approach
This study explores the flexibility potential of a domestic scale heat pump with thermal energy storage in a typical Irish home in December. The system is simulated to investigate demand
Calculate the impacts of introducing thermal demand-side management in existing Multi-Energy Systems and understand whether demand-side management is useful in
Research on energy storage plants has gained significant interest due to the coupled dispatch of new energy generation, energy storage plants, and demand-side response. While virtual power plant
Optimisation of a smart energy hub with integration of combined heat and power, demand side response and energy storage
The thermal storage electric boiler load has good operation flexibility and continuous adjustability, which can effectively improve the peak load regulation capacity of the
This study investigates how thermal energy storage (TES) influences the cost-optimal investment and operation of electricity and district heating (DH) systems in different
This work applies a techno-economic, integrated, demand-supply optimization model to investigate the combined effect of using demand-side flexibility from buildings, by
While this price-based load shifting has value for power system operators, buildings with thermal storage could provide more direct grid services by reacting to demand charges and demand
Specifically, the integration rate of wind power increases by 3.91% when compared to the sole consideration of the integrated demand response. Furthermore, the peak
Specifically, the integration rate of wind power increases by 3.91% when compared to the sole consideration of the integrated demand response. Furthermore, the peak shaving and off-peak filling effect is
A coal-fired boiler with integrated thermal energy storage was dynamically modeled using Dymola and its accuracy was verified.
The optimal capacity of additional heat sources, including thermal storage tanks and electric boilers, is configured using demand response in power generation and heating by
Hence, in this study, three TES options; water tank (WT), phase change material tank, and building thermal mass (BTM) are simulated and compared. A systematic analysis approach
1 Key Laboratory of Modern Power System Simulation and Control & Renewable Energy Technology (Northeast Electric Power University), Ministry of Education, Jilin 132012, China
With the integration of intermittent renewable technologies, Energy Storage Systems (EES) have taken the spotlight in hopes of facilitating the transition. However, prices for EES and batteries,
Active use of heat accumulators in the thermal system has the potential for achieving flexibility in district heating with the power to heat (P2H) units, such as electric boilers (EB) and heat pumps. Thermal
Taking the multi-energy microgrid with wind-solar power generation and electricity/heat/gas load as the research object, an energy storage optimization method of
To this effect, the integration of curtailed wind energy into an electrified DHN through demand-side response with flexible demand and large-scale Borehole Thermal Energy
The demand response control of the storage tank decreases the district heat energy cost by 3.4%. When employing the demand response control of space heating and the storage tank, it gains
This paper aims at the insufficient application of a single energy storage device and the conflict between multiple energy storage technologies. A demand-side integrated
This paper proposes a day-ahead optimal dispatching strategy for integrated electricity and thermal system considering multiple types of demand response, and the following conclusions
First, the structure of a distributed heating system fed by regenerative electric boilers (REBs), which facilitate shiftable heat-load control, is introduced. A terminal heat
We analyse new flexibility assets such as electricity storage, heat pumps, demand-side response with existing wet appliances, electric boilers for domestic hot water and distribution grid
This paper proposes a comprehensive optimization method for participating in demand response in a centralized heating system mainly composed of thermal storage
To solve those problems, this paper takes a plurality of units together to ensure the supply of heat load as the premise, by building a thermal load dynamic scheduling model of
Moreover, we find that, in the power sector, electric boilers offer more flexibility than demand-side response with wet appliances. An optimal operation of electric boilers can reduce electricity storage investments by more than 26%, while this effect is limited to 17% for demand-side response.
An optimal operation of electric boilers can reduce electricity storage investments by more than 26%, while this effect is limited to 17% for demand-side response. Furthermore, the reduction of electricity storage investments induced by demand-side response decreases to 12% if wet appliances become more efficient throughout the energy transition.
The relative energy saving of each building decreases their annual heating demand which affects the total demand of the archetypes where these buildings are included. Nationally, the 1% per annumand 2% per annumretrofitting scenarios result in an annual heat demand of 23.5 TWhthper annum and 16.6 TWhthper annum, respectively, by 2050.
Due to a larger electricity demand, electric DHW boilers can offer more flexibility than DSR and can save more than 26% (ΦSTO,DHW=−26.4% on average) of electricity storage investments by 2050.
Flexible heat pumps, DHW boilers and appliances increase PV deployment by 22%–66%. Abstract This paper compares various flexibility options to support renewable energy integration across the energy transition using energy system modelling.
Optimal DHW boilers operation and DSR can save up to 40% of storage investments. 34%–80% more electricity storage is needed to support larger heat pump deployment. Retrofitting buildings reduces storage needs by 86%. Flexible heat pumps, DHW boilers and appliances increase PV deployment by 22%–66%. Abstract
