Dominion Virginia Power would have to upgrade its electricity distribution system to the Haymarket area of Prince William County sooner or later, even without the development of a data-center campus, testified Mark R. Gill, an electric transmission planning engineer with Dominion, in State Corporation Commission testimony filed yesterday.
“Without the request for service to the Haymarket Campus the Project would not be needed at this time; however, the high likelihood for nearby load growth, as showed in Prince William County’s own Build-Out Analysis, indicates that the Project would be needed at some point in the future to maintain reliable service in the area,” said Gill.
According to the build-out analysis, 8.5 million square feet of non-residential development and at least 889 residential units could be developed in Dominion and Northern Virginia Electric Cooperative (NOVEC)’s service territory around Haymarket, Gill said.
Gill was responding to earlier testimony by SCC staff engineer Neil Joshipura that in the absence of data centers proposed by an electric customer widely presumed to be Amazon Web Services, the electric system upgrade “would not be needed.” Dominion’s estimate for the preferred upgrade is $50 million. An alternative that would entail burying part of the route is estimated to cost $166.7 million.
Neighbors have vociferously opposed the project, fearing that it will obstruct rural views and negatively impact home values. Describing the new line, new substation, and existing line upgrades as a giant “extension cord” for Amazon, project foes argue that the cost of the project should be charged to Amazon rather than Dominion ratepayers generally. By arguing that the improvements will serve homeowners and businesses other than the “customer” presumed to be Amazon, Gill’s testimony buttressed the position that the project should be rolled into the Dominion rate base.
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