36 unchanged sentences
(a) 100% unless otherwise noted.
−Removed: (b) Our 29.1% ownership in Palo Verde includes leased interests.
+Added: (b) APS’s 29.1% ownership in Palo Verde includes leased interests and is the largest capacity interest of all the participants.
See “Business of Arizona Public Service Company — Energy Sources and Resource Planning — Generation Facilities — Nuclear” in Item 1 for details regarding leased interests in Palo Verde.
The other participants are Salt River Project, SCE, El Paso, Public Service Company of New Mexico, Southern California Public Power Authority, and Los Angeles Department of Water & Power.
−Removed: The plant is operated by APS.
(c) The other participants are Salt River Project (10%), Public Service Company of New Mexico (13%), Tucson Electric Power Company (7%) and NTEC (7%).
12 unchanged sentences
APS’s transmission facilities consist of approximately 5,814 pole miles of overhead lines and approximately 74 miles of underground lines, 5,743 miles of which are located in Arizona.
−Removed: APS’s distribution facilities consist of approximately 11,225 miles of overhead lines and approximately 22,453 miles of underground primary cable, all of which are located in Arizona.
−Removed: APS also owns and maintains 80 transmission substations and 443 distribution substations.
+Added: APS’s distribution facilities consist of approximately 11,258 miles of overhead lines and approximately 22,821 miles of underground primary cable (19,778 when excluding abandoned conductor), all of which are located in Arizona.
+Added: APS also owns and maintains 475 substations, including both transmission and distribution yards.
APS shares ownership of some of its transmission facilities with other companies.
16 unchanged sentences
Each year APS prepares and files with the ACC a Ten-Year Transmission Plan.
−Removed: In APS’s 2021 plan, APS projects it will develop 26 miles of new transmission lines over the next ten years.
−Removed: One significant project, the Palo Verde to Morgan project recently completed all phases and provides a new 500kV path that spans from the Palo Verde hub around the western and northern edges of the Phoenix metropolitan area and terminates at a bulk substation in the northeast part of Phoenix.
−Removed: The Palo Verde to Morgan project includes Palo Verde-Delaney-Sun Valley-Morgan-Pinnacle Peak.
−Removed: The project consisted of four phases and the fourth phase, Morgan to Sun Valley 500kV, was energized in April of 2018.
−Removed: In total, the project consisted of over 100 miles of new 500kV lines, with many of those miles constructed with the capability to employ a 230kV line as a second circuit.
+Added: In APS’s 2022 plan, APS projects it will develop 81 miles of new transmission lines over the next 10 years.
+Added: The 2022 Ten-Year Plan includes a new 35-mile 500kV line from the Jojoba substation to the Rudd substation.
+Added: The purpose of this project is to bring in a new source to the west and southwest parts of the Phoenix metropolitan area which is experiencing rapid economic development.
+Added: In addition, this new source will provide customers in the area greater access to a diverse mix of resources from around the region.
APS continues to work with regulators to identify transmission projects necessary to support renewable energy facilities.
−Removed: Two such projects, which have been completed and were included in previous APS transmission plans, are the Delaney to Palo Verde line and the North Gila to Hassayampa line, both of which support the transmission of renewable energy to Phoenix and California.
−Removed: The North Gila to Hassayampa line went into service in May 2015 and the Delaney to Palo Verde line went into service in May 2016.
Plant and Transmission Line Leases and Rights-of-Way on Indian Lands
3 unchanged sentences
APS, on behalf of the Four Corners participants, negotiated amendments to the Four Corners facility lease with the Navajo Nation, which extends the Four Corners leasehold interest from 2016 to 2041.
−Removed: See “Business of Arizona Public Service Company — Energy Sources and Resource Planning — Generating Facilities — Coal-Fueled Generating Facilities — Four Corners” in Item 1 for additional information about the Four Corners right-of-way and lease matters.
+Added: See “Business of Arizona Public Service Company — Energy Sources and Resource Planning — Generation Facilities — Coal-Fueled Generating Facilities — Four Corners” in Item 1 for additional information about the Four Corners right-of-way and lease matters.
Certain portions of our transmission lines are located on Indian lands pursuant to rights-of-way that are effective for specified periods.
4 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.