Notice of Utility Tariff Filings

The REGULATORY COMMISSION OF ALASKA (Commission) gives notice that Chugach Electric Association, Inc. (Chugach) filed TA415-121 and TA537-8, the annual update to its generation and transmission (G&T) line loss factor based on operating results for the year ending December 2022. The updated G&T line loss factor is used for the allocation of system costs in calculating the fuel surcharge and revenue requirement, and for determination of losses associated with transmission wheeling transactions. Chugach proposes a G&T line loss factor (measured at generation) based on 2022 operating results of 1.687 percent. By comparison, the line loss factor was 2.650 percent for 2021 and 2.235 percent for 2020.

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 these filings by contacting Brandy Curtis Richards, Economic/Financial Regulatory Analyst at Chugach, at 5601 Electron Drive, Anchorage, AK 99519-6300; phone: (907) 762-4513. The complete filings are 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 typing "TA415-121” or “TA537-8” in the Find a Matter search box.

To comment on this filing, please file your comments by 5:00 p.m., April 17, 2023, at the Commission's address given above or via our website at:

https://rca.alaska.gov/RCAWeb/WhatsNew/PublicNoticesComments.aspx

Please reference TA415-121 and/or TA537-8 and include a statement that you have filed a copy of the comments with Chugach at its address given above or by email at info@chugachelectric.com.

Individuals or groups of people with disabilities, who require special accommodations, auxiliary aids or service, or alternative communication formats, please contact Naomi Johnston 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 April 10, 2023.

DATED at Anchorage, Alaska, this 16th day of March, 2023.

REGULATORY COMMISSION OF ALASKA

Becki Alvey

Tariff Section Manager