Clean energy could benefit from eventual closure
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Sometime in the near future — whether it’s this year or the end of 2019 — Navajo Generating Station is likely to turn off for the final time.
When that happens, the power plant will be torn down and removed. But there will be one important part of the electric distribution system left — the transmission lines that currently carry electricity from outside of Page to Phoenix, Tucson and Nevada.
Once the plant is no longer making electricity, what should happen to those lines — hundreds of miles of transmission lines that will no longer have electricity to move from NGS.
Last month, the Four Corners Wind Resource Center, held a discussion and proposed the possibility the transmission lines could be used to carry clean energy — electricity made by either wind or solar farms.
Charlie Reinhold, an independent consultant with West Connect, and Jessie Audette Muniz, senior director of project development for APEX Clean Energy, led the discussion.
Reinhold, who has 35 years of experience in the electrical industry, including time with SRP, tried to explain the current transmission system.
Electricity made at Navajo Generating Station moves primarily west and south. Combined, the two lines have the ability to carry more than 10,000 megawatts of power south to Tucson and west as far as Los Angeles. While Los Angeles Power gave up its ownership in NGS, it has retained ownership of its share of the transmission lines.
When NGS does eventually close, the current owners will retain ownership of the transmission lines.
“The capacity on the line will probably become available for purchase at some time,” Reinhold said. “They all have their own timetable for relinquishing transmission if they make that decision.”
Muniz, whose company is primarily involved with wind energy, said the existing line can carry power from existing wind farms to the west and has enough transmission to add new wind or solar farms if they are feasible.