Enhanced Renewable Energy Integration: A Comprehensive Framework for Grid Planning and Hybrid Power Plant Allocation

Mahmoud Taheri, Abbas Rabiee () and Innocent Kamwa
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Mahmoud Taheri: Department of Electrical Engineering and Computer Engineering, Université Laval, Québec, QC G1V 0A6, Canada
Abbas Rabiee: Department of Electrical Engineering and Computer Engineering, Université Laval, Québec, QC G1V 0A6, Canada
Innocent Kamwa: Department of Electrical Engineering and Computer Engineering, Université Laval, Québec, QC G1V 0A6, Canada

Energies, 2025, vol. 18, issue 17, 1-21

Abstract: Renewable energy sources play a crucial role in the urgent global pursuit of decarbonizing electricity systems. However, persistent grid congestion and lengthy planning approval processes remain the main barriers to the accelerated deployment of new green energy source capacities. Capitalizing on the synergies afforded by co-locating hybrid power plants—particularly those that harness temporally anti-correlated renewable sources such as wind and solar—behind a unified connection point presents a compelling opportunity. To this end, this paper pioneers a comprehensive planning framework for hybrid configurations, integrating transmission grid and renewable energy assets planning to include energy storage systems, wind, and solar energy capacities within a long-term planning horizon. A mixed-integer linear programming model is developed that considers both the technical and economic aspects of combined grid planning and hybrid power plant allocation. Additionally, the proposed framework incorporates the N − 1 contingency criterion, ensuring system reliability in the face of potential transmission line outages, thereby adding a layer of versatility and resilience to the approach. The model minimizes the net present value of costs, encompassing both capital and operational expenditures as well as curtailment costs. The efficacy of the proposed model is demonstrated through its implementation on the benchmark IEEE 24-bus RTS system, with findings underscoring the pivotal role of hybrid power plants in enabling cost-effective and rapid sustainable energy integration.

Keywords: energy storage systems (ESS); hybrid power plant (HPP); photovoltaic (PV) systems; transmission system expansion; wind farms (WFs) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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