Microgrid design and multi-year dispatch optimization under climate-informed load and renewable resource uncertainty

Madeline Macmillan, Alexander Zolan, Morgan Bazilian and Daniel L. Villa

Applied Energy, 2024, vol. 368, issue C, No S0306261924007384

Abstract: Microgrids are an increasingly popular solution to provide energy resilience in response to increasing grid dependency and the growing impacts of climate change on grid operations. However, existing microgrid models do not currently consider the uncertain and long-term impacts of climate change when determining a set of design and operational decisions to minimize long-term costs or meet a resilience threshold. In this paper, we develop a novel scenario generation method that accounts for the uncertain effects of (i) climate change on variable renewable energy availability, (ii) extreme heat events on site load, and (iii) population and electrification trends on load growth. Additionally, we develop a two-stage stochastic programming extension of an existing microgrid design and dispatch optimization model to obtain uncertainty-informed and climate-resilient energy system decisions that minimizes long-term costs. Use of sample average approximation to validate our two case studies illustrates that the proposed methodology produces high-quality solutions that add resilience to systems with existing backup generation while reducing expected long-term costs.

Keywords: Energy systems; Microgrids; Stochastic programming; Climate change; Resilience (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1016/j.apenergy.2024.123355

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