A Wise Investment: National Grid strategically targets hazard-tree work to produce the biggest reliability bang for the buck

摘要

There is not a utility vegetation manager in the country that will say he or she has a sufficient hazard-tree budget. Oftentimes, more hazard trees are along a given distribution circuit than funding available for their removal. Utility vegetation managers constantly have to manage the risk of tree failure by minimizing both the number of trees that cause distribution service interruptions as well as the impact or severity of those service interruptions on the system.