Transmission Use Committee
Available Transfer CapabilityAvailable Transfer Capability and Customer InputSemi-annual update
Bozeman, MontanaJuly 24-25, 2008
“To ensure efficient, effective, coordinated use & expansion of the member’s transmission systems in the Western Interconnection to best meet the needs of customers &
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te co ect o to best eet t e eeds o custo e s &stakeholders. “
IntroductionsIntroductionsIntroductionsIntroductions
Brian Weber, PacifiCorp (Chair)
Jim Tucker, Deseret Power Electric Cooperative, p
Kathy Anderson, Idaho Power Company
Pat Weeres NorthWestern EnergyPat Weeres, NorthWestern Energy
Matt Richard, Portland General Electric
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Discussion ItemsDiscussion Items• Review of Northern Tier Work Plan Process and
Stakeholder Input• Review NTTG Transmission Use Committee
Commitments (semi-annual and annual)Commitments (semi annual and annual)• Semi-Annual Deliverables• Work Plan proposals for July 08 – January 09• Other Discussion Items?
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Review of Northern Tier Review of Northern Tier Workplan Preparation ProcessWorkplan Preparation Process
Previous initiative
Next initiative draft workplan
prepared
Approved workplan
presented to stakeholders for possible
Work completed
Public Stakeholder Forum (TODAY)
Present deliverables from last initiative
additions
Steering Committee
Stakeholder Input
Detail next initiative (directed from steering committee) and solicit participation in next initiative
Solicit input on prioritization on subsequent initiatives
Review committee recommendation and approve/
remand first initiative.
subsequent initiatives
List of initiatives and possible
Committee
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and possible next steps identified
Prepares recommendation for next initiative scope to Steering
Committee.Stakeholder Input
NTTG Transmission UseC i C iCommittee Commitments
• Semi-annual– ATC update– POR/POD map update– Common names– Common names– OASIS links– Reasons for ATC @ zero
R f 10% h i ATC– Reasons for 10% change in ATC• Annual
– Historical use graphsHistorical use graphs– Queue update– SIS/FS summary
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Proposed ATC/TTC TRM CBMTRM CBM
The following identifies the proposed NERC MOD g p pstandards under development.
Apply to all methodologies:Apply to all methodologies:– MOD-001 – Available Transfer Capability – MOD-004 – Capacity Benefit Margin– MOD-008 – Transmission Reliability Margin– MOD-008 – Transmission Reliability Margin
Choose one or more of methodologies:MOD 028 Area Interchange Methodology– MOD-028 – Area Interchange Methodology
– MOD-029 – Rated System Path Methodology– MOD-030 – Flowgate Methodology
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Review of ATCReview of ATC
• Available Transfer Capability (ATC)*• Available Transfer Capability (ATC)– A measure of the transfer capability remaining in the physical transmission
network for further commercial activity over and above already committed usesuses
ATC = TTC – TRM – CBM – ETC
* Subject to change from ongoing NERC/NAESB processes. See next slide for proposed ATC calculation
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p3
Slide 7
p3 How will the NAESB process affect the ATC caculation formula?Shayleah LaBray, 1/2/2008
Review of ATCReview of ATC
• Available Transfer Capability (ATC)*• Available Transfer Capability (ATC)– Proposed ATC formula per MOD-029-1 – Rated System Path
Methodology:
ATCF = TTC – ETCF – CBM – TRM + PostbacksF + CounterflowsF
ATCNF = TTC – ETCF – ETCNF – CBMs – TRMU + PostbacksNF + CounterflowsNF
* Subject to change from ongoing NERC/NAESB processes
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p4
Slide 8
p4 How will the NAESB process affect the ATC caculation formula?Shayleah LaBray, 1/2/2008
TTC and ETCTTC and ETC
• Total Transfer Capability (TTC)*Total Transfer Capability (TTC)– The amount of electric power that can be transferred over the
interconnected transmission network in a reliable manner while meeting all of a specific set of defined pre- and post-contingency systemall of a specific set of defined pre and post contingency system conditions.
• Existing Transmission Commitments• Existing Transmission Commitments (ETC)*
Reservations of transmission capacity by network and point to point– Reservations of transmission capacity by network and point-to-point customers. Committed uses of a Transmission Service Provider’s Transmission system considered when determining ATC (per proposed MOD-001-1).
9* Subject to change from ongoing NERC/NAESB processes
Review of TRM / CBMReview of TRM / CBM
• Transmission Reliability Margin (TRM)*Transmission Reliability Margin (TRM)– The amount of transmission transfer capability to provide a reasonable
level of assurance that the interconnected transmission network will be securesecure
• Capacity Benefit Margin (CBM)*y g ( )– The amount of firm transmission transfer capability preserved for Load
Serving Entities (LSEs) on the host transmission system where their load is located, to enable access to generation from interconnected
t t t ti li bilit i tsystems to meet generation reliability requirements
* Subject to change from ongoing NERC/NAESB processes
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Current status of NERC ATC standards
• NERCDecember 2007 Drafting team responded to industry comments– December 2007 – Drafting team responded to industry comments
– February 1, 2008 - Posted for 30-day pre-ballot review– March 3-12, 2008 – Initial Ballot conducted [all standards fail]– April 16 – May 15, 2008 – Revised standards posted for 30-day comment period
[comments on the fifth revision of the standard][comments on the fifth revision of the standard]– April 17, 2008 – NERC requests an extension of time from FERC– April 29, 2008 – FERC grants extension to August 29, 2008 and November 21,
2008 only for MOD-004– June 20, 2008 – Drafting team response to comments , g p– June 21, 2008 – Posted for 30-day Pre-Ballot Review– June 23, 2008 – Comments due on MOD-004– July 21, 2008 – Initial Ballot [second time around]– August 20, 2008 – Respond to comments (if any) from Initial Ballotg p ( y)– August 21, 2008 – Recirculation Ballot– August 29, 2008 – File with FERC– September 1, 2008 – Board adoption
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• Upcoming Milestones– Drafting team posts for second initial ballot
Proposed ATC/TTC TRM CBMTRM CBM
The following identifies the proposed NAESB g p pcorresponding business practice standards under development.
New business practice sections proposed to WEQ-001 Open Access Same-Time Information Systems Standards:Standards:– ATC information link– ATC calculation methodologies
ATC/TTC ti– ATC/TTC narratives– Data exchange for ATC modeling– Load forecast and actual load
P tb k / C t fl12
– Postbacks / Counterflows– ETC standards (business practices in support of MOD-001)
Current status of NAESB ATC business practices
• NAESBNAESB– Current business practices in progress– Originally due to FERC August 7, 2008Originally due to FERC August 7, 2008– April 29, 2008 – FERC granted an extension of time
per NERC’s filing for NAESB business practice t d d t N b 27 2008 ( d F b 19standards to November 27, 2008 (and February 19,
2009 for MOD-004 only)• Upcoming Milestones• Upcoming Milestones
– Continue to revise and finalize business practices
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DisclaimerDisclaimerDisclaimerDisclaimerAll ATC (Available Transmission Capacity) related information, including any information used to calculate ATC, contained on ,
(1) the Northern Tier Transmission Group (NTTG) Website,
(2) the NTTG section of any individual transmission provider’s Open Access Same-time
Information System (OASIS) website orInformation System (OASIS) website, or
(3) in any NTTG related electronic or paper documentation
represents information at a specific point in time and therefore, because of the dynamic nature of ATC h ld t b li d t ATC C t ATC b t i d th D tATC, should not be relied on as current ATC. Current ATC numbers are contained on the Desert Power Electric Cooperative, Idaho Power Company, PacifiCorp, Portland General and NorthWestern Energy OASIS sites. Desert Power Electric Cooperative, Idaho Power Company, PacifiCorp , Portland General and NorthWestern Energy expressly state that any ATC information that may be included on the (1) NTTG Website, (2) the NTTG section of any transmission provider’s OASIS website, or (3) in any other non-OASIS documentation is only p ( ) y yinformational in nature and shall not be honored in conducting transmission business. Transmission business shall be conducted on the individual OASIS site of each company with whom you wish to do business, using the ATC information posted on that company's specific OASIS site.
N t A f thi ti P tl d G l’ d t h t t b i t d It i ti i t d
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Note: As of this posting, Portland General’s data has not yet been incorporated. It is anticipated PGE data will be included in the January 2009 ATC update.
Updates from January 2008Updates from January 2008Updates from January 2008Updates from January 2008
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Path - DeerCreek-PACE
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Path - PACE-PATHC - HLH
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Path - PACE-PATHC - LLH
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Path - WEED-CRAG
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BPAT.PACW – MALIN500
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BPAT.PACW – MALIN230
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PATHC-GSHN and GSHN-PATHC
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Updates from January 2008Updates from January 2008Updates from January 2008Updates from January 2008
POR POD Control Area Common NameBPAT BPA BPA TransmissionBPAT BPA BPA TransmissionBPAT.PACW BPA BPA-PacifiCorp WestMCNARY BPA McNary BPAT.PGE BPA BPA-Portland General ElectricCOB BPA California Oregon BorderGRIZZLY BPA Grizzly JOHNDAY BPA John Day BOZ Deseret Bonanza MDGT Deseret Mona SWR Deseret South West RangelyBOARDMAN Idaho Boardman BORA Idaho Borah BRDY Idaho Brady CANYON Idaho Hells Canyon area generationGOSHEN Idaho Goshen IPCO Idaho Idaho SystemJEFF Idaho Jefferson KINPORT Id h KiKINPORT Idaho Kinport LAGRANDE Idaho LaGrande LOLO Idaho Lolo LYPK Idaho Lucky Peak M345 Idaho Midpoint 345 kV
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NTTG Website OASIS LinksNTTG Website OASIS Links
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ATC Data CompilationATC Data CompilationU d t A Of J 20 2008U d t A Of J 20 2008Updates As Of June 20, 2008Updates As Of June 20, 2008
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ATC @ Zero and10% Ch> 10% Change
ATC @ Zero:• As discussed at the January 2008 meeting the July 2008 update is
the final update for this item from NTTG.
Explanation ATC > 10% Change• [placeholder – will insert slides showing changes on path by path as
provided by Sharon]provided by Sharon]
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July 2008 July 2008 –– January 2009January 2009yy yyWork Plan Proposal Work Plan Proposal
• Voting results from January 2008 meeting:Voting results from January 2008 meeting:Category #1 Choice #2 Choice Transparency 6 1 Standardization 1 2 Planning/Study Process 5 7
• Proposed business practices work plan
Planning/Study Process 5 7Ease of Use 1 3 Business Practices 4 4
– Develop “inventory” of current business practices of NTTG members
– Differentiate between those that are NAESB-related versus company-specificcompany-specific
– Recommend areas where consistency might be achieved among NTTG member-specific business practices
– Provide overview of NAESB business practice development d f i b i i
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process and status of emerging business practices
Stakeholder InputStakeholder InputSta e o de putSta e o de putJuly OnwardJuly Onward
Di ti l t k h ld i t d d f f ft J 2009• Directional stakeholder input needed for focus after January 2009
• Carry-over items to consider:– Establish a public forum to review transmission usage and path utilization factor
d t ATC (ONGOING FROM PHASE 2)compared to ATC (ONGOING FROM PHASE 2)– Development of a “point and click” linked spreadsheet to the map that identifies Total
Transmission Capacity (TTC) being decremented by various uses and network requirements including subscribed obligations
– Establish a regular schedule and process for explanation of the determination and assumptions behind TTC on specific pathsassumptions behind TTC on specific paths
– Dynamic linked alignment (one way or two) between specific providers OASIS data and the NTTG website data
– Forecast ATC for integration of non traditional OATT “firm like” products, such as a possible conditional firm productPosting for ATC on outbound or inbound paths to footprints– Posting for ATC on outbound or inbound paths to footprints adjacent to NTTG
– How to make sure Critical Energy Infrastructure Information (CEII) is secure
– Other?
2828Let’s have a vote!.... Directional
Stakeholder Input
Stakeholder InputStakeholder InputSta e o de putSta e o de putJuly OnwardJuly Onward
CategoriesCategoriesEase of Use
ATC Transparency
ForecastingForecasting
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Consistency Directional Stakeholder Input
July Onward Work PlanJuly Onward Work Plan• Next Steps
– January / July is recurring semi-annual updates for: • POR/POD map• ATC compilation
– January is recurring annual updates for:• Historical use• Queue updatesp• SIS/FS summary
– Present business practices work plan to Steering Committee and execute plan upon approval
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C l iC l iConclusionConclusion
• Semi-annual update completed
• Next steps agreed
A l ti J 2009• Annual meeting – January 2009
Thank you!Thank you!
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