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Alaska Energy Authority details transmission upgrades, Dixon Diversion and HVDC subsea cable plans
Summary
Curtis Thayer, executive director of the Alaska Energy Authority, told the Senate Resources Committee on Jan. 24 that AEA is pursuing multiple projects to improve rail‑belt reliability, reduce line loss, and add renewable and dispatchable capacity.
Curtis Thayer, executive director of the Alaska Energy Authority, told the Senate Resources Committee on Jan. 24 that AEA is pursuing multiple projects to improve rail‑belt reliability, reduce line loss, and add renewable and dispatchable capacity.
"Bradley Lake... supplies Alaska 550,000 Alaskans on the rail belt and about 4 and a half cents a kilowatt," Thayer said, describing Bradley as the state's largest hydro facility and a foundational asset for planned upgrades. He outlined three priority project types: increased hydropower deliverability through the Dixon Diversion, transmission upgrades (Sterling to Quartz Creek and other lines), and a high‑voltage direct‑current (HVDC) subsea cable to create a redundant link between the Kenai Peninsula and Beluga/Anchorage.
The nut graf: AEA presented a combined approach—generation, storage and transmission—to reduce rail‑belt dependence on natural gas. Key near‑term projects are (1) the Dixon Diversion to raise Bradley Lake output, (2)…
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