Utility details reliability work, phase balancing and possible future substation
Rocky Mountain Power explained technical details of the proposed Castle Valley work: a feed that will allow phase balancing for roughly 370 meters, the conversion of 69kV down to 25kV at a substation, and scoping for a possible future substation that could improve reliability but remains several years out.
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The utility representative provided technical context for the project, saying the system currently brings a 69,000-volt transmission feed into the area, steps it down to 25,000 volts at a substation and distributes power radially across the valley. The company described a plan to add an additional 3-phase feed within town so loads can be balanced across phases and a single outage would affect a smaller share of customers.
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