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Alaska Interconnection




The Alaska Interconnection is counted as one of the three minor Alternating Current (AC) Power Grid s in North America, although it actually consists of two independent grids with no interties. The other minor interconnections are the Québec Interconnection and Texas Interconnection . The two major interconnections are the Eastern Interconnection and the Western Interconnection .

All of the electric utilities within each Alaska Interconnection are electrically tied together during normal system conditions, and each operate at a synchronized frequency averaging 60Hz. The Central Alaska Interconnection reaches from the Fairbanks region to the Kenai Peninsula , and the Southeastern Alaska Interconnection covers most of the Alaska Panhandle . The Alaska Interconnections are unique among the North American interconnections because of their isolated status; neither has ties to any other interconnections.


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