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Grid Impacts of Electric Fleets
Much of the attention for transportation decarbonization has focused on light-duty vehicles, but medium- and heavy-duty vehicles (MHDVs) represent a significant opportunity for action as well. While MHDVs represent only 3%-4% of vehicles on the road, they contribute around 25% of transportation sector carbon emissions and are also large emitters of other pollutants. Transitioning to electric MHDVs would provide outsized environmental and public health benefits, and there are already policies and corporate commitments supporting this shift.
National Grid and Hitachi ABB Power Grids have released a study of EV fleet charging needs and potential grid implications. This study looks at over 50 fleet locations in an area of National Grid’s service territory and assesses the electric loads from electrifying these fleets. Particularly in areas where multiple fleets are “clustered” together, charging loads could exceed current distribution system capabilities.
Transportation electrification will be a long-term effort, and there are actions we can take now to prepare for this shift and even accelerate it. There is an opportunity to proactively plan for MHDV needs and develop solutions to meet potentially significant new electric load. Closer interaction among fleet operators, utilities, policymakers, and other groups will improve understanding of charging needs and the ideal solutions to support the decarbonization of transportation.
Summary documents: https://www.nationalgridus.com/media/pdfs/microsites/ev-fleet-program/fleetstudysummaryandinfographic.pdf
Full report: https://www.nationalgridus.com/media/pdfs/microsites/ev-fleet-program/understandinggridimpactsofelectricfleets.pdf
Grid Impacts of Electric Fleets
The electrification of fleet vehicles will be critical in the fight against climate change – and will also reduce local pollution and fleet owners' operating costs. However, the electric grid needs to be ready to support the large needs that fully electric fleets will have.
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