Proposed Black pStart Changes for gCon Edison PlanKathy WhitakerManager, Auxiliary Market Operations New York Independent System Operator

Black Start Task Force Teleconference

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Black Start Task Force TeleconferenceApril 13, 2012

Proposed ChangesProposed Changes

Test ProceduresTest Procedures

Test Scheduling

Commitment Period

Program Participation

Compensation – to be reviewed at AprilCompensation to be reviewed at April 30 meeting

© 2011 New York Independent System Operator, Inc. All Rights Reserved. 2DRAFT – FOR DISCUSSION PURPOSES ONLY

Proposed Test Proposed Test Procedure Changes

30 days to remedy a failed testOtherwise payment is forfeited from the date of• Otherwise payment is forfeited from the date of the failed test

• Currently a failed test results in immediate• Currently a failed test results in immediate suspension of payment

• 30-day period may be reasonably extended if30 day period may be reasonably extended if agreed upon by the Generator Owner, Con Edison and NYISO

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P d T t Proposed Test Procedure Changesg

Combined Cycle testing requirements to be added to the tariffbe added to the tariff

• Gas turbine at the site must start without external power sources and start a steamexternal power sources and start a steam turbine, which must synchronize to the transmission system

• Discussion point• Time limit for synchronization

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P d T t Proposed Test Procedure Changesg

Steam unit changes• Every three years, a comprehensive test

requiring synchronization to the transmission systemsyste

• The test can be performed if the unit is hot from current operations or when it becomes hot on the way up from a cold startcold start

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P d T t Proposed Test Procedure Changesg

Steam unit changes (cont’d)• Whether initially starting from a cold or hot

condition, the steam unit must synchronize to the transmission system and be firm and yoperating at minimum load within eight hours of establishing its cranking path

• No interim milestone times are required

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Proposed Test Proposed Test Procedure Changes

St it h ( t’d)Steam unit changes (cont’d)• Intervening years test performed during when

the triennial test is not performedthe triennial test is not performed• Intervening years test requires

• Switching to isolate the steam unit from the transmission systemsystem

• Establishing a cranking path to an isolated black start gas turbine

• Energizing the steam unit’s internal light and power busg g g p• Adding auxiliary load (e.g., boiler feed pump, fans) that would

be required to introduce fire into the boiler

• Does not require fire in the boiler or

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Does not require fire in the boiler or synchronization to the transmission system

Proposed Test Proposed Test Procedure Changes

Steam unit changes• Intervening years test discussion points

A li bilit f NPCC t t i t• Applicability of NPCC test requirements• Auxiliary equipment required to be energized• Time limit for tests

T iti h d l f f i i d t i i l t t• Transition schedule for performing primary and triennial testsTriennial test must have been completed successfully within the prior two years in order to qualify for an intervening years testintervening years test

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Proposed Test Proposed Test Schedule Changes

Extend the black start testing period• May through April, except no tests in June, July

and August

As currently, test dates must be agreed upon b th G t O C Edi dby the Generator Owner, Con Edison and NYISO

Test witnesses are not required but Con Edison• Test witnesses are not required, but Con Edison and NYISO may have witnesses present

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P d C it t Proposed Commitment Period Changesg

Increase notification of withdrawal from t tone year to two years

• Withdrawal from capacity and energy markets lt i ithd l f bl k t tresults in withdrawal from black start program,

without regard for black start notification

Withdrawal effective after PSC approvalWithdrawal effective after PSC approval

Stagger commitment periods among black

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start units

P d C it t Proposed Commitment Period Changesg

Example Commitment Periods• Group One: Initial period October 2012• Group One: Initial period October 2012

through April 2015, with withdrawal notification deadline of April 2013

• Group Two: Initial period October 2012 through April 2016, with withdrawal notification deadline of April 2014deadline of April 2014

• Group Three: Initial period October 2012 through April 2017 with withdrawal notification

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through April 2017, with withdrawal notification deadline of April 2015

Proposed Program Proposed Program Participation

New or repowered units will be required to have black start capability and provide black start service upon a finding by Con Edison, subject to review by thefinding by Con Edison, subject to review by the NYISO, that the unit would provide a material benefit to system restoration, unless it is infeasible for the unit to have black start capabilityblack start capabilityUnit owner/developer to supply information regarding suitability of the unit to provide black start serviceD t i ti ill b d l i thDetermination will be made early in the interconnection processUnits identified for participation will be assured full

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p precovery of related costs

ScheduleScheduleBlack Start Task Force Meeting April 30 g pto Review Proposal for Compensation Changesg

BIC and OC Review and Approval May 16 or 17May 16 or 17

MC Review and Approval May 30pp y

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The New York Independent System Operator (NYISO) is a not for profitOperator (NYISO) is a not-for-profit

corporation responsible for operating the state’s bulk electricity

grid, administering New York’s competitive wholesale electricitycompetitive wholesale electricity

markets, conducting comprehensive long-term planning for the state’s

electric power system, and advancing the technological

infrastructure of the electric system serving the Empire State.

www nyiso comwww.nyiso.com

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