REK Comments

1
Planning Relationships in the Western
Interconnection

• WECC Base Case
• Facilities
• Ratings
• Flows
• Policies Procedures
• Regional Planning
• Project Review
• Rating Review
• Progress Reporting
• Planning Standards
• (NERC WECC)

Thoughts from committee members at 5/25/06
meeting How do interconnection wide projects fit
in? Address relationship of resource adequacy and
transmission planning. Address modeling and data
management. Address LR subcommittee and
PCC. Does Regional Planning belong under PCC or
TEPPC?
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Outline of Western Transmission Planning
Processes Interconnection Wide Scope Western
Interconnection Responsible WECC Transmission
Expansion Planning Policy Committee Nature Concep
tual, Policy Oriented, System-wide
analysis Inclusive Broad stakeholder
representation on committee Transparent WECC
member review is standard Limitations WECC
prohibited from allocating costs or assigning
rights Support Paid staff plus member
committees Oversight WECC board (stakeholder
independent), State Provincial Officials (WGA,
CREPC, etc.) Comment See TEPCC Charter on WECC
web site for details Joint Sub-regional Scope Mu
lti-state, except for California ISO (See
map) Responsible Generally stakeholder
consensus Nature Need based develops
participation in individual projects Inclusive St
akeholders are encouraged to submit
projects Transparent Study assumptions,
methodology, results available to
all Limitations Participation in planning
resulting upgrades is voluntary Support Participa
nts perform own study work within
standards Oversight Projects subject to WECC
path rating, SWAT/CCPG under WestConnect steering
committee oversight Comment This process is
responsible for most projects that are actually
sited and placed into service in the Southwest.
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Arizona Statewide Scope Anyone planning
transmission in Arizona within 10
years Responsible Individual Transmission
Providers Nature 10 year plans submitted
annually, reviewed biennially Inclusive Plans
generally result from inclusive sub-regional
process Transparent Interested parties may
intervene in review process Support ACC Staff
Consultant review individual submissions Oversight
ACC must issue written decision regarding
adequacy Comment Plans generally document
projects developed during sub-regional planning
processes. (Ref ARS 40-360.02) OATT-Responsive
Planning Scope OATT obligation to plan and
expand system Responsible Individual
Transmission Providers Nature Plan for network
loads resources point-to-point on
request Inclusive Network customers required to
update loads resources annually
Point-to-point must provide necessary
data Transparent Transmission provider must
provide system impact studies Limitations Custome
r must be willing to pay Oversight Compliance
with tariffs subject to FERC oversight
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