Maintaining Electrical Diagrams

							                       WECC Standards/Business Practice Request Form

Grey fields - Completed by Responsible Sub-group
Yellow fields - Completed by Requestor

                                                 Revision to existing WECC Low Voltage Ride
1. Title
                                                 Through Standard
Request Date                                     May 16, 2006
Posting of Intent to develop                     May 26, 2006
               st
Posting of 1 draft
Posting of 2nd draft (if required)
Posting of final draft

Proposed Implementation Date
WECC ID #

                                                   3. Request Type (Put an „x‟ in front of one of
2. Requestor Information
                                                   these selections)
                                                     New Standard
Primary Contact:        Ben Morris
                                                   X Revision to Existing Standard
                                                     Withdrawal of Existing Standard
Company:                PG&E
                                                     New Business Practice
Telephone:              (415) 973-7687                Revision to Existing Business Practice
Fax:                    (415) 973-8804                Withdrawal of existing Business Practice

E-mail:                 bem8@pge.com                  Emergency Action
Alternate
                        Scott Waples
Contact and             (509) 495-4462
                                                      Interim Measure
Telephone:
                                                      Other
Request Date            May 9, 2006


4. Description of the issue (Provide necessary detail to define the issue).


Revisions to the existing approved WECC Low Voltage Ride Through Standard to conform the
WECC Standard to recently issued FERC Order 661 and 661a.




Standard or Business Practice Request Form   1                                    1/11/2010
5. Notes (Include any additional information supporting the proposed action).


This effort may expand the low voltage ride through requirements to low and high voltage ride
through requirements.




6. This request will apply to the following functions (Put an ‘X’ in front of each one that
applies)
                                         Ensures the reliability of the bulk transmission system within its
      Reliability Authority
                                         Security Authority Area. This is the highest reliability authority.
                                         WECC entity that ensures the reliability of sub-regions in the
      Reliability Coordinator
                                         WECC

                                         Integrates resource plans ahead of time, and maintains load-
      Balancing Authority                interchange-resource balance within its metered boundary and
                                         supports system frequency in real time

      Interchange Authority              Authorizes valid and balanced Interchange Schedules

      Planning Coordination
      Committee/Planning                 Plans the bulk electric system
      Authority
      Transmission Service               Provides transmission services to qualified market participants
      Provider                           under applicable transmission service agreements

      Transmission Owner                 Owns transmission facilities

                                         Operates and maintains the transmission facilities, and
      Transmission Operator
                                         executes switching orders
                                         Provides and operates the “wires” between the transmission
      Distribution Provider
                                         system and the customer
                                         Owns and operates generation unit(s) or runs a market for
X     Generator                          generation products that performs the functions of supplying
                                         energy and Interconnected Operations Services
                                         The function of purchasing or selling energy, capacity and all
      Purchasing-Selling Entity
                                         necessary Interconnected Operations Services as required.
                                         Secures energy and transmission (and related generation
      Load-Serving Entity
                                         services) to serve the end user


Standard or Business Practice Request Form           2                                       1/11/2010
7. Detailed description of proposed request (provide enough detail, including the
expected role of all applicable entities, so that the responsible sub-group can draft,
modify, or withdraw a Business Practice or Standard based on this description).


This effort will start with the FERC Order and add additional or more stringent WECC
requirements to develop the WECC Standard.

8. Preliminary technical assessment (software or spec changes, step-by-step guide for
implementation of the request – leave blank if unknown).




9. Goal of request in solving the issue.


Development of a WECC Voltage Ride Through Standard




10. Reliability Principles – Applicable Reliability Principles (Put an ‘x in front of all that
 apply)

       1. Interconnected bulk electric systems shall be planned and operated in a coordinated
 X
       manner to perform reliably under normal and abnormal conditions
       2. The frequency of interconnected bulk electric systems shall be controlled within defined
       limits through the balancing of electric supply and demand
       3. Information necessary for planning and operation of interconnected bulk electric
       systems shall be made available to those entities responsible for planning and operating
       the systems reliably
       4. Plans for emergency operation and system restoration of interconnected bulk electric
       systems shall be developed, coordinated, maintained and implemented
       5. Facilities for communication, monitoring and control shall be provided, used and
       maintained for the reliability of interconnected bulk electric systems

       6. Personnel responsible for planning and operating interconnected bulk electric systems
       shall be trained, qualified and have the responsibility and authority to implement actions

       7. The security of the interconnected bulk electric systems shall be assessed, monitored
 X
       and maintained on a wide area basis




Standard or Business Practice Request Form   3                                     1/11/2010
11. Does the proposed request comply with all of the following Market Interface
Principles? (Check yes for all that apply)

1. The planning and operation of bulk electric systems shall recognize that
                                                                                                Yes
reliability is an essential requirement of a robust North American economy
2. Standard or Business Practice shall not give any market participant an unfair
                                                                                                Yes
competitive advantage
3. Standard or Business Practice shall neither mandate nor prohibit any specific
                                                                                                Yes
market structure
4. Standard or Business Practice shall not preclude market solutions to achieving
                                                                                                Yes
compliance with that Standard
5. Standard or Business Practice shall not require the public disclosure of
commercially sensitive information. All market participants shall have equal
opportunity to access commercially non-sensitive information that is required for               Yes
compliance with reliability standards




12. Related Policy, Definitions, Procedure, or Standard (NERC, NAESB, WECC)
     Reference Documents                           Applicable authority granted




Standard or Business Practice Request Form   4                                      1/11/2010
13. This section to be completed by Work Group.


Responsible Drafting Subgroup                   Reliability Subcommittee


List and describe required
additional technical studies


List additional sub-groups as
required


Impact assessment report
Does implementation date
coincide with or affect other
implementation dates?


Coordinate with appropriate
WECC committee ( ex. MIC, OC,
CMOPS, etc.)



                                                  Sub-group Decision

                                              Develop 1st Draft        Reject




Summary of expected draft
or reason for rejection




Explanation of need for
proposed action


Posting date of intent to
develop or notice of rejection




 Standard or Business Practice Request Form             5                       1/11/2010
14. First Draft




Are there specific measurements for determining compliance? If so, what are they?




Estimated cost of compliance




Assessment of sub-regional differences

Sub - Region                    Explanation


California
Mexico



Rocky Mountain



Arizona
Southern Nevada
New Mexico
Texas



Pacific North West


Other assessment items (education issues, implementation issues)




Posting date of 1st draft



Standard or Business Practice Request Form    6                          1/11/2010
1st Draft Comments - received and response to comments




                          Additional draft and posting for comment required?
                                                      Submit for
                                   Develop 2nd        Subcommittee
                                   draft              vote




15. Second Draft




Specific measurements for determining compliance




Estimated cost of compliance




Assessment of sub-regional differences

Sub - Region                    Explanation


California
Mexico




Rocky Mountain




Standard or Business Practice Request Form       7                             1/11/2010
Arizona
Southern Nevada
New Mexico
Texas



Pacific North West


Other assessment items (education issues, implementation issues)


Posting date of 2nd
draft
2nd Draft Comments - received and response to comments




                          Additional draft and posting for comment required?
                                                      Submit for
                                   Develop 2nd        Subcommittee
                                   draft              vote




Standard or Business Practice Request Form       8                             1/11/2010