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Documents
Performance Metrics
Performance Metrics 2016
Performance Metrics 2017
APPLICATIONS
Firm Transmission Service Request Form
Short Term Firm and NF Transmission Service Request
ATC INFORMATION
ATC Methodology Contact
BUSINESS PRACTICES, WAIVERS, and EXEMPTIONS
Business Practice Guidelines
CEII Guidelines
UNST ATC Algorithm
UNST Credit Policy
WECC ATC Methodology
OATI OASIS Access Policy
FERC ORDER 784 ACE POSTING
TEP/UNST ACE One Minute Data - Jan-Dec 2012
TEP/UNST ACE One Minute Data - Jan-Dec 2013
TEP/UNST ACE One Minute Data - Jan-Dec 2014
TEP/UNST ACE One Minute Data - Jan-Dec 2015
TEP/UNST ACE One Minute Data - Jan-Dec 2016
TEP/UNST ACE Ten Minute Data - Jan-Dec 2012
TEP/UNST ACE Ten Minute Data - Jan-Dec 2013
TEP/UNST ACE Ten Minute Data - Jan-Dec 2014
TEP/UNST ACE Ten Minute Data - Jan-Dec 2015
TEP/UNST ACE Ten Minute Data - Jan-Dec 2016
FERC ORDER 890
Conditional Firm BP
Congestion Relief Offers
Load Forecast Assumptions
Performance Metrics 2014
Redispatch Requests and Offerings
GENERATION INTERCONNECTION
Interconnection Contact Information
SGIP Attachment 2 Interconnection Requet
SGIP Attachment 5-10kW Inverter Application
UNST Appendix 1 to LGIP - Interconnection Request
UNST LGIP with LGIA
Cluster Notices
UNST Interconnection Cluster Notice
Interconnection Queue
UNST Interconnection Queue
UNST Withdrawn/Terminated Inteconnection Requests
NEWS
Contact Information
STANDARDS OF CONDUCT
UNS Electric SOCC Procedures
Compliance Offier
Information Disclosure
Marketing and Energy Affiliate List
Potential Merger Partners
Shared Facilities
Transfers
Transmission Function Job Titles and Descriptions
Voluntary Consent
Waivers
STUDIES
Queue 29, 30, 31 Feasibility Study
Queue 37 - SIS Report
Queue 44 - System Impact Study Report 3/7/16
TARIFF
2016-2017 UNS Electric Rates for Transmission Service
UNS Electric OATT
Annual Updates
2016 UNS Electric Customer Meeting Notice - Annual Rates Update
2016-2017 UNS Electric Rates for Transmission Service
2017 UNS Electric Customer Meeting Notice - Annual Rates Update
2017-2018 UNS Electric Rates for Transmission Service
2017-2018 UNSE OATT Formula Rate Worksheets
Information Request Template
Preliminary Challenge Template
FERC Filings - Pending
UNS Electric Order 1000 Compliance Filing 11-19-15
UNSE OATT Formula Rate Filing 3/15/17
TRANSMISSION PLANNING
Attachment K
Attachment K
Attachment K List of Hyperlinks
Economic Planning Study Request
Economic Planning Study Request Form
Economic Planning Study Requests
Ten Year Plan
UNSE Ten Year Plan
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TEP OASIS

Welcome to the TEP OASIS

Inquiries

Raquel Aguilar
OATT Services and
OASIS Administrator
(520)745-7193

24 Hour Contact
Real Time
Scheduling Desk
(520)745-7139

Pre-Scheduling
Day Ahead
Scheduling Desk
(520)745-7183

May 12, 2017

UNS Electric, Inc ("UNSE") Posts Annual Update of Formula Transmission Service Rates and Provides Notice of its Informational Customer Meeting

Annual Update.

In accordance with Section 1.a. of UNSE's Formula Rate Implementation Protocols ("Protocols"), UNSE notifies any interested party of its annual update to its formula transmission service rates, which become effective on June 1, 2017. The formula rates (including formula rate update worksheets), as well as forms for information requests and preliminary challenge notifications, are posted on the UniSource Energy Services' OASIS site in the Annual Updates subfolder under the Tariff folder.

Please direct all email inquiries regarding the posting to:

UNSFERCCompliance@tep.com

Customer Meeting

Pursuant to Section 2.a. of the Protocols, UNSE will hold an informational customer meeting via conference call to discuss details about the annual update and provide customers with an opportunity to seek information and clarification. This customer meeting is scheduled for: Monday, June 12, 2017 at 9:00 a.m. (Mountain Time).

Any Interested Party who plans to participate in this Customer Meeting is asked to RSVP by notifying Janice Spencer by email at jespencer@tep.com or by telephone at 520-884-3672 no later than May 31, 2017. Upon receipt of your RSVP, call-in details will be provided to you.

May 12,2016

UNS Electric, Inc ("UNSE") Posts Annual Update of Formula Transmission Service Rates and Provides Notice of its Informational Customer Meeting

Annual Update.

UNSE notifies any Interested Party of its annual update to its formula transmission service rates, which become effective on June 1, 2016. The formula rates, (including formula rate update worksheets) and forms for Information Requests and Preliminary Challenge Notification are posted in the Annual Updates subfolder under the Tariff folder on the UNSE OASIS site. Please direct all email inquiries to: UNSFERCCompliance@tep.com

An informational customer meeting (Customer Meeting) to discuss details about the Annual Update to UNSE's transmission service rates and to provide customers with an opportunity to seek information and clarification is scheduled via conference call for: June 14, 2016 at 10:00 a.m., Mountain Time (Arizona, GMT-07:00).

Any Interested Party who plans to participate in this Customer Meeting is asked to RSVP by notifying Janice Spencer by email at jespencer@tep.com or by telephone at 520-884-3672 no later than May 31, 2016. Upon receipt of your RSVP, call-in details will be provided to you

January 5, 2016

69kV outage, Willow Beach substation isolated and picked up by NEVP.

October 21, 2015

Black Mesa T1 & T2 will be switched out of service this morning per request from WAPA. Should be switched back to normal on October 28th.

May 14, 2015

UNS Electric, Inc. Posts Annual Update of Formula Transmission Service Rates and Provides Notice of its Informational Customer Meeting.

UNS Electric, Inc. hereby notifies any Interested Party of its annual update of its formula transmission rates, which will be effective on June 1, 2015. The formula rates, formula rate update spreadsheet, and forms for Information Requests and Preliminary Challenge Notification have been posted in the Annual Updates folder under the Tariff folder. Please direct all email inquiries to: UNSFERCCompliance@tep.com.

An informational customer meeting has been scheduled for: June 10, 2015, at 10:00 a.m., Mountain Time (Arizona, GMT-07:00). The remote access instructions for attending the informational customer meeting are posted in the Annual Updates subfolder within the Tariff folder.

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