Blog 13: Advancing the Net Zero transition with Integrated Energy Systems
Yuhan, 13 December 2024
The rapid advancement of renewable energy has become pivotal in achieving net-zero targets. However, the inherent intermittency and variability of renewable energy sources, such as wind and solar power, present significant challenges to grid stability and the operational reliability of energy systems. Concurrently, the continuous increase in energy demand and escalating pressures for carbon reduction further compound the complexity of energy systems optimisation. In this context, the Integrated Energy System (IES) has emerged as a promising paradigm for achieving efficient and low-carbon energy utilisation, leveraging its capability to integrate multiple energy carriers and advanced technological modules.
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By facilitating the integration of diverse energy sources and incorporating pivotal technologies such as wind power, solar power, power-to-gas (P2G), and combined cycle gas turbines (CCGT), the IES achieves multi-energy coordinated operation, enhancing both system flexibility and overall efficiency. A conceptual representation of the IES is provided below, illustrating its comprehensive structure and functional capabilities.
The main components of an Integrated Energy Systems, including different energy vectors.
Empirical studies substantiate that the IES significantly mitigates carbon emissions, while optimising energy utilisation across varying load profiles. Furthermore, the adoption of hydrogen as a central energy carrier within the system effectively balances supply and demand, thereby enhancing its adaptability to the fluctuations inherent in renewable energy generation. The integration of advanced low-carbon technologies further augments operational efficiency and stability, ensuring a reliable energy supply and fostering the development of environmentally sustainable and economically viable energy systems. By refining dispatch strategies, the IES also reduces dependency on traditional fossil fuels during peak load periods, offering a novel framework for facilitating the green transformation of global energy systems.
In summary, the IES demonstrates considerable potential for advancing the penetration of renewable energy, fulfilling net-zero targets, and maximising the holistic benefits of energy systems. Its theoretical and practical implications provide robust support for future energy system design and policy formulation, thereby contributing to a sustainable and resilient global energy infrastructure.
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Contact: yuhan dot shao at kcl dot ac dot uk