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The wider regional benefits of power grids improved resilience through tree-trimming operations evidences from Connecticut, USA

Marcello Graziano, Peter Gunther, Adam Gallaher, Fred Carstensen () and Brian Becker

Energy Policy, 2020, vol. 138, issue C

Abstract: Tree-trimming operations (TTOs) are expensive, yet popular management practices for increasing power-grid reliability. In this work, we investigate and identify the relationship between TTOs and power outages and quantify the regional economic benefits TTOs provide in the three years following these operations. Our data focus on a portion of Connecticut, for 2009–2015. We find that even a limited application of TTOs reduce outages substantially. We combine this result with an advanced economic model to estimate the benefits to the state. We find that this reduction in outages translates in to considerable savings for the state's economy, justifying expansion of TTOs.

Keywords: REMI; Economic modelling; Electricity; Vegetation management; Trimming; Outages (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1016/j.enpol.2020.111293

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