2017-07083. Arizona Public Service Company; Notice of Institution of Section 206 Proceeding and Refund Effective Date

On March 28, 2017, a letter order was issued in Docket No. EL17-51-000 by the Director, Division of Electric Power—West, Office of Energy Market Regulation, pursuant to section 206 of the Federal Power Act (FPA), 16 U.S.C. 824e (2012), instituting an investigation into whether the proposed revisions of Arizona Public Service Company to its Open Access Transmission Tariff may be unjust, unreasonable, unduly discriminatory or preferential. Arizona Public Service Company, 158 FERC 62,241 (2017).

The refund effective date in Docket No. EL17-51-000, established pursuant to section 206(b) of the FPA, will be the date of publication of this notice in the Federal Register.

Any interested person desiring to be heard in Docket No. EL17-51-000 must file a notice of intervention or motion to intervene, as appropriate, with the Federal Energy Regulatory Commission, 888 First Street NE., Washington, DC 20426, in accordance with Rule 214 of the Commission's Rules of Practice and Procedure, 18 CFR 385.214, within 21 days of the date of issuance of the order.

Dated: April 4, 2017.

Kimberly D. Bose,

Secretary.