Notice of Utility Tariff Filing The REGULATORY COMMISSION OF ALASKA (Commission) gives notice that Matanuska Electric Association, Inc. (MEA) filed TA583-18, the annual update to its cost per foot for new construction of single-phase secondary service. With TA583-18, MEA proposes to increase the cost per foot for constructing new single-phase services from $42.71 per foot to $49.74 per foot. This notice does not contain all requested revisions and the Commission may approve a rate or classification which varies from that proposed. You may obtain more information about this filing by contacting Tyler Clark, Manager of Financial Planning and Regulatory Affairs with MEA, at P.O. Box 2929, Palmer, AK 99645; phone: (907) 761-9257. The complete filing is also available for inspection at the Commission's office, at 701 West 8th Avenue, Suite 300, Anchorage, AK 99501; phone: (907) 276-6222, or may be viewed at the Commission's website at http://rca.alaska.gov by typing "TA583-18" in the Find a Matter search box. To comment on this filing, please file your comments by 5:00 p.m., March 30, 2026, at the Commission address given above or via our website at: https://rca.alaska.gov/RCAWeb/WhatsNew/PublicNoticesComments.aspx Please reference TA583-18 and include a statement that you have filed a copy of the comments with MEA at its address above. Individuals or groups of people with disabilities, who require special accommodations, auxiliary aids or service, or alternative communication formats, please contact Shelby Lopez at (907) 276-6222, toll-free at 1-800-390-2782, or TTY/Alaska Relay: 7-1-1 or 1 (800) 770-8973 or send a request via electronic mail to rca.mail@alaska.gov by March 23, 2026. DATED at Anchorage, Alaska, this 16th day of March, 2026. REGULATORY COMMISSION OF ALASKA Gretchen Larsen Tariff Section Manager Pub: Mar. 18, 2026