In the quest to make buildings smarter and more energy-efficient, a groundbreaking study led by Fuhong Han from Shenyang Jianzhu University’s School of Municipal and Environmental Engineering is shedding new light on the role of energy storage systems (ESS) in enhancing energy flexibility. Published in the journal *Buildings* (translated from Chinese), the research delves into how integrated energy systems (IES) in buildings can leverage ESS and demand response methods to boost renewable energy use and grid stability.
Han and his team have developed a flexible energy usage strategy that considers the daily energy production and consumption of IES, as well as the interplay between user load and the grid. This hierarchical scheduling mechanism is a game-changer for the energy sector, particularly in how it quantifies the impact of ESS capacity on energy flexibility.
“The traditional energy usage methods of IES have limited responsiveness to the power system,” explains Han. “Our strategy addresses this by incorporating ESS and demand-side management, significantly improving the system’s responsiveness and overall cost-efficiency.”
The study’s findings are compelling. By implementing the flexible energy scheduling strategy, the system’s annual photovoltaic (PV) self-consumption rate increased by 35.29%. Moreover, with higher ESS capacity, the PV self-consumption rate can be maximized, improving by up to 4.07%. The system’s response capability also saw a marked enhancement, further improving with increasing ESS capacity.
From a commercial perspective, the implications are substantial. Although the strategy leads to a rise in ESS operational loss costs during its functioning phase, the overall system costs decrease by approximately 65.13%, with a capacity-based variation of about 1.48%. This cost-saving aspect is crucial for the energy sector, as it demonstrates the potential for significant financial benefits while promoting sustainable energy practices.
Han’s research is not just about optimizing energy use; it’s about reshaping the future of energy management in buildings. “Our findings highlight the importance of ESS in achieving energy flexibility and grid stability,” says Han. “This strategy can be a blueprint for future developments in the field, guiding the integration of renewable energy sources and enhancing the overall efficiency of building energy systems.”
As the energy sector continues to evolve, Han’s work provides a roadmap for leveraging technology to create more flexible, efficient, and cost-effective energy solutions. The study’s insights are poised to influence policy decisions, industry practices, and technological advancements, ultimately driving the transition towards a more sustainable energy future.
In an era where energy flexibility and sustainability are paramount, Han’s research offers a beacon of innovation, guiding the way towards smarter, greener buildings. The study’s publication in *Buildings* underscores its relevance and potential impact, making it a must-read for professionals in the energy and construction sectors.