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

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  • Graziano, Marcello
  • Gunther, Peter
  • Gallaher, Adam
  • Carstensen, Fred V.
  • Becker, Brian

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.

Suggested Citation

  • Graziano, Marcello & Gunther, Peter & Gallaher, Adam & Carstensen, Fred V. & Becker, Brian, 2020. "The wider regional benefits of power grids improved resilience through tree-trimming operations evidences from Connecticut, USA," Energy Policy, Elsevier, vol. 138(C).
    • Handle: RePEc:eee:enepol:v:138:y:2020:i:c:s0301421520300513
    DOI: 10.1016/j.enpol.2020.111293
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    Cited by:

    1. Gallaher, Adam & Graziano, Marcello & Fiaschetti, Maurizio, 2021. "Legacy and shockwaves: A spatial analysis of strengthening resilience of the power grid in Connecticut," Energy Policy, Elsevier, vol. 159(C).
    2. Hughes, William & Zhang, Wei & Bagtzoglou, Amvrossios C. & Wanik, David & Pensado, Osvaldo & Yuan, Hao & Zhang, Jintao, 2021. "Damage modeling framework for resilience hardening strategy for overhead power distribution systems," Reliability Engineering and System Safety, Elsevier, vol. 207(C).
    3. Hughes, William & Zhang, Wei & Cerrai, Diego & Bagtzoglou, Amvrossios & Wanik, David & Anagnostou, Emmanouil, 2022. "A Hybrid Physics-Based and Data-Driven Model for Power Distribution System Infrastructure Hardening and Outage Simulation," Reliability Engineering and System Safety, Elsevier, vol. 225(C).
    4. Hughes, William & Watson, Peter L. & Cerrai, Diego & Zhang, Xinxuan & Bagtzoglou, Amvrossios & Zhang, Wei & Anagnostou, Emmanouil, 2024. "Assessing grid hardening strategies to improve power system performance during storms using a hybrid mechanistic-machine learning outage prediction model," Reliability Engineering and System Safety, Elsevier, vol. 248(C).

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