VGS-Planning Work Group (PWG) Activity Update to PCC Ann Finley PWG Liaison to PCC Metropolitan Water District of So. California June 9-11, 2010.

VGS-Planning Work Group (PWG) Activity Update to PCC

Ann Finley

PWG Liaison to PCC

Metropolitan Water District of So. California

June 9-11, 2010

PWG Meetings

Initial Initial Conference Conference CallCall

MeetingMeeting

SLCSLC

20092009

MeetingMeeting

SpokaneSpokane

Sep 11Sep 11 Sep 15Sep 15 Oct 2Oct 2 Oct 26Oct 26 Nov 16Nov 16 Feb 23Feb 23

20102010

Meeting Meeting PortlandPortland

Meeting Meeting SLCSLC

Conference Conference CallCall

Jun 15Jun 15

Upcoming Upcoming MeetingMeeting SLCSLC

Planning Work Group Activity Update

4

Participate, gather and report on:

P1 - VG model validation

Certain generic wind turbine, Solar PV, and battery energy storage models are available in PSLF and/or PSS/E. Investigating others.

P2 - Relevant NERC activities

Reviewed NERC IVGTF efforts and white paper examining capacity values and flexibility metric

5

Planning Work Group Activities Update

Reviewing methodologies for assigning trans. capacity for wind: LOLE and LOLP

Request more volunteers.

P3 - Transmission capacity assignment and adequacy for accommodating the integration of VG

P4 - Standardizing and Validating Planning Criteria and Methodologies Issued a draft whitepaper on Wind Capacity

Issues prepared jointly with WECC LRS. Literature Review & Data Issues - focus on

July 24, 2006.

6

Planning Work Group Activities Update

P6 - Create a centralized database for VG Circulated a survey on availability and quality of VG

data Responses were due April 12, will help drive data

collection efforts and identify confidentiality issues.

P7 – System Dynamics Issues Distributed an initial draft list of prioritized dynamics

studies to evaluate high VG scenarios across WECC Continue collecting information from WECC staff, TSS,

SRWG, MVWG and PCC as well as other dynamic studies and reports.

7

Planning Work Group Next Steps

Meet June 15 in Salt Lake City

Continue work on Activities P1-P7

FERC NOI on Variable Energy Resources

Encourage increased participation in PWG

Discuss PWG role and expectations within TSS, TEPPC, ColumbiaGrid, NTTG and Westconnect

Identify highest priority planning needs for VG