Optimal Resilient transmission Grid Design

As illustrated in recent years (Superstorm Sandy, Northeast Ice Storm of 1998, etc.), extreme weather events pose an enormous threat to the electric power transmission systems and the associated socio-economic systems that depend on reliable delivery of electric power. These threats motivate the need for approaches and methods that improve the response (resilience) of power systems. In this paper, we develop a model and tractable methods for optimizing the upgrade of transmission systems through a combination of hardening existing components, adding redundant lines, switches, generators, and transformers. While many of these components are included in traditional design (expansion planning) problems, we uniquely assess their benefits from a resiliency point of view.

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