Α Techno-Economic Assessment of Wind Power Expansion with Battery Storage Under Wind Energy Uncertainty
Received: 18 May 2025 | Revised: 25 August 2025 | Accepted: 30 August 2025 | Online: 8 December 2025
Corresponding author: Truong Viet Anh
Abstract
The techno-economic performance of novel wind power investment projects is significantly influenced by the inherent uncertainty of the power production. Additionally, challenges associated with land clearance and compensation, which are required to develop transmission infrastructure to accommodate additional wind capacity in the national grid, are also present. This study investigates capacity expansion strategies for wind farms that do not require modifications to the existing infrastructure. It focuses on the optimization of intermediate Turbine Control System (TCS) operations and the integration of Battery Energy Storage Systems (BESS). The Harris Hawks Optimization (HHO) algorithm is employed to determine the optimal BESS size to enhance the overall system performance and maximize the investment returns. Specifically, BESS charge/discharge power limits are configured to ensure that the TCS output remains both controllable and stable, while also extending the operational lifespan of the BESS under highly variable wind conditions. The experimental results indicate that integrating BESS into wind farm expansion strategies not only enables more effective bidding in competitive electricity markets, but also ensures compliance with grid technical standards, in addition to superior economic performance compared to previously published methods.
Keywords:
wind power, uncertain, Bess, transformer, net present valueDownloads
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