Abstract
To ensure a smooth energy transition, rapid expansion of the electric grid is essential to accommodate growing renewable power generation. We assess the role battery storage can play for the power system by either complementing or replacing costly line reinforcements. Adopting a benevolent planner point-of-view, we optimise the expansion of storage with the grid. We focus on a discrete representation of the sub-transmission grid. Given high reinforcement costs and efficient batteries, storage could replace grid investments, especially during low energy prices periods. Additionally, adopting a cost-effective grid representation minimizes storage investments. Ultimately, our work aims to empower grid operators to efficiently utilize battery storage in planning grid expansion.
Published Version
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