Northern New England Assumed Not As An Export-Constrained ...

PSPC MEETING 314| AGENDA ITEM 2.1A JULY 23, 2015 | HOLYOKE, MA

2019/20 FCA Tie Benefits Study (Northern New England Assumed

Not As An Export-Constrained Capacity Zone)

Draft

Fei Zeng

RESOURCE ADEQUACY

Objective

? To review the tie benefits results for the 2019/20 FCA#10, assuming Northern New England (NNE) is not an export-constrained zone

? Total tie benefits for New England ? Tie benefits contribution from individual or group of

interconnection(s)

? Maritimes ? HQ Phase II ? Highgate ? New York AC ties ? Cross Sound Cable (CSC)

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Highlight of Major Assumptions

? Detailed study assumptions were presented to the PSPC on May 28, 2015

?

? New information and updates since then have been incorporated

? Updates to the internal interface transfer capabilities, presented to the RC on June 16, 2015

?

? Identification of capacity zones

? For FCA 10, only Southeast New England (SENE) is identified as an importconstrained capacity zone, therefore the SENE interface limit is relaxed for this study (June 30, 2015 PSPC Meeting)

?

? Northern New England (NNE) is assumed not as an export-constrained capacity zone

? North-South interface limit is therefore modeled for this study

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Recap of Calculation Process

? Process 1.0

? Calculate the tie benefits values for all possible interconnection states using isolated New England system as the reference

? Process 2.0

? Calculate initial total tie benefits for New England from all neighboring control areas

? Process 3.0

? Calculate initial tie benefits for each individual neighboring control area ? Pro-rate tie benefits values of individual control areas based on the total tie benefits, if

necessary

? Process 4.0

? Calculate initial tie benefits for individual interconnection or group of interconnections ? Pro-rate tie benefits values of individual interconnection or group of interconnections based

on the individual control area tie benefits, if necessary

? Process 5.0

? Adjust tie benefits of individual interconnection or group of interconnections to account for capacity imports

? Process 6.0

? Calculate the final tie benefits for each individual neighboring control area

? Process 7.0

? Calculate the final total tie benefits for New England

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Process 1.0

Calculation of Tie Benefits for All Interconnection States

Interconnection State

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Discription Cut All Cut None Cut MT Cut Ph II Cut Highgate Cut NY-AC Cut CSC Cut MT & Ph II Cut MT & Highgate Cut MT & NY-AC Cut MT & CSC Cut Ph II & Highgate Cut Ph II & NY-AC Cut Ph II & CSC Cut Highgate & NY-AC Cut Highgate & CSC Cut NY-AC & CSC Cut MT, Ph II & Highgate Cut MT, Ph II & NY-AC Cut MT, Ph II & CSC Cut MT, Highgate & NY-AC Cut MT, Highgate & CSC Cut MT, NY-AC & CSC Cut Ph II, Highgate & NY-AC Cut Ph II, Highgate & CSC Cut Ph II, NY-AC & CSC Cut Highgate, NY-AC & CSC Cut MT, Ph II, Highgate & NY-AC Cut MT, Ph II, Highgate & CSC Cut MT, Ph II, NY-AC & CSC Cut MT, Highgate, NY-AC & CSC Cut Ph II, Highgate, NY-AC & CSC

Maritimes x x x x x x x x x x x x x x x x

Interconnection Status

Ph II Highgate NY-AC

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CSC x x x x x x x x x x x x x x x x

LOLE 0.403 0.100 0.138 0.181 0.110 0.114 0.100 0.249 0.149 0.162 0.138 0.197 0.229 0.181 0.127 0.110 0.114 0.268 0.350 0.249 0.178 0.149 0.162 0.257 0.197 0.229 0.127 0.403 0.268 0.350 0.178 0.257

Equivalent TB (MW) 0 1990 1515 1105 1855 1785 1990 670 1400 1270 1515 990 785 1105 1630 1855 1785 570 195 670 1135 1400 1270 625 990 785 1630 0 570 195 1135 625 5

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