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EPCOR Distribution & Transmission Inc. 2020 Interim Transmission Facility Owner Tariff, AUC Decision 24931-D01-2019

Link to Decision Summarized


In this decision, the AUC considered EPCOR Distribution & Transmission Inc.’s (“EPCOR’s”) request for a 2020 interim transmission facility owner (“TFO”) tariff. The AUC approved EPCOR’s application.

On September 25, 2019, EPCOR filed its application with the AUC pursuant to sections 37, 119 and 124(2) of the Electric Utilities Act requesting approval of an interim and refundable (TFO) tariff effective January 1, 2020.

AUC Findings

In Decision 24058-D01-2018, the AUC approved a TFO tariff revenue requirement in the amount of $99,191,603 for 2018 and $102,651,793 for 2019. The 2019 approved TFO tariff revenue requirement represented a monthly charge to the Alberta Electric System Operator (“AESO”) of $8,554,316, effective January 1, 2019, to December 31, 2019.

On July 31, 2019, EPCOR filed its 2020-2022 TFO tariff application with the AUC, requesting approval of a forecast TFO tariff revenue requirement in the amount of $109,877,794 for 2020. For this interim rate application, EPCOR requested that its approved 2019 TFO tariff continue on an interim refundable basis at a monthly rate of $8,554,316. The AUC found that EPCOR’s request to continue with the approved 2019 TFO tariff on an interim refundable basis is reasonable because:

  • A final 2020 TFO tariff will not be approved and in place before January 1, 2020;

  • There was no opposition to the application or evidence of prejudice to customers; and

  • The interim rate promotes regulatory efficiency and short-term rate stability.

Accordingly, the AUC approved a 2020 interim refundable TFO tariff of $8,554,316 per month, effective January 1, 2020. The 2020 interim refundable TFO tariff approval shall remain in effect until replaced by a revised interim or final tariff.

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