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AG1-404 Transition Sort Retool Results -- Reprioritized to Transition Cycle #1

v1.00 released 2023-12-14 11:02

Blue Mound-Chestnut 345 kV

100.0 MW Capacity / 100.0 MW Energy

Introduction

In accordance with Tariff Part VII, Subpart B, section 304, PJM performed load flow analysis (Transition Sort Retool) on all AE1 through AG1 projects that have met eligibility requirements according to Tariff, Part VII, Subpart B, section 303. The purpose of this study is to determine whether a project would be classified as eligible for the Expedited Process (Fast Lane) or if it would be reprioritized to be studied as part of Transition Cycle #1 (TC1) using the criteria from the Expedited Process Eligibility section of Tariff Part VII, section 304. This is not a System Impact Study report.

Below are the results of the study, details of how the study was performed, criterion used in the evaluation of the Expedited Process vs. TC1 determination, and next steps in the interconnection process for your project.

Transition Cycle #1:

The AG1-404 project has not met the Expedited Process Eligibility requirements in Tariff Part VII, Subpart B, section 304 and will therefore be reprioritized to Transition Cycle #1. Please see "Transition Cycle #1 Rules" below.

Transition Sort Retool Study Process and Criteria:

In order to determine Expedited Process vs. Transition Cycle #1 classification, projects which met the Transition Eligibility requirements from Tariff Part VII, Subpart B, section 303 were studied on the base case model that was used for the original System Impact Study analysis. Both a summer peak and light load load flow analysis were performed. Projects that have cost allocation eligibility or are identified as the first to cause a system violation which requires the need for a Network Upgrade with a total estimated cost greater than $5 million will be reprioritized to Transition Cycle #1. All other projects will be eligible for the expedited procedures set forth in Tariff Part VII, Subpart B, section 304 (B).

Expedited Process Eligibility: OATT Tariff Part VII, section 304:

A project is not eligible for the expedited process if it has cost allocation eligibility or is identified as the first to cause, as determined according to Tariff, Part VI, section 217.3, for a Network Upgrade which has a total estimated cost of greater than $5,000,000. Such cost estimate will be based on Transmission Provider's most recently available data.

Not considered in the Transition Sorting: The cost of the Interconnection Facilities is not considered when determining a project's eligibility for the expedited process. Affected Systems upgrade costs are also not considered in the evaluation.

Transition Sort Retool Results Provided:

This report includes a list of:

  1. the overloaded flowgates (overloaded facilities + contingency pair) that the project contributes towards
  2. other interconnection projects that may also contribute to the overloaded facility, and
  3. the total estimated cost for any required Network Upgrades.

Important Notes:

Note for Uprate Projects: Per Tariff Part VII, Subpart B, section 304 (B), if a project is an uprate (project relies on the Interconnection Facilities of a prior project) whose base project does not qualify for the expedited process, the uprate also will not qualify for the expedited process, regardless of analysis results.

Notes regarding Results displayed:

  1. Some flowgate overloads that a New Service Request contributes to, but does not contribute enough to meet cost allocation eligibility (per Manual 14A, Attachment B.3), may be reported in this Transition Sort report. These types of flowgates do not affect the classification of the New Service Request as either Expedited Process or Transition Cycle #1 because cost allocation eligibility has not been met.
  2. For projects that were determined to not meet Expedited Process eligibility and are being reprioritized to Transition Cycle #1, not all reinforcements in excess of $5,000,000 may be shown in this report. This report may only display a subset of those reinforcements determined to be in excess of $5,000,000 which would classify the project as not meeting Expedited Process Eligibility. This is not a formal System Impact Study.

Next Steps for your project:

Transition Cycle #1 Rules:

Refer to Tariff Part VII, Subpart B, section 304 (C) for the Transition Cycle #1 Project Rules.

Transition Cycle #1 will start no later than one year from the Transition Start Date (July 10, 2023). Transition Cycle #1 will run simultaneously with the expedited process, however Transition Cycle #1, Phase III will not begin until all expedited process projects have been completed.

Projects that are reprioritized to Transition Cycle #1 will not need to re-apply to the Interconnection Cycle Process. Therefore, there is no Application Review Phase for Transition Cycle #1. The cycle process for Transition Cycle #1 includes three Study Phases and three Decision Points:

  1. Phase I System Impact Study and Decision Point I; and
  2. Phase II System Impact Study and Decision Point II; and
  3. Phase III System Impact Study and Decision Point III

Refer to Tariff Part VII, Subpart D, section 307 for the Transition Cycle #1 study process.

General

The Interconnection Customer (IC), has proposed a Storage generating facility located in the ComEd zone McLean County, Illinois. The installed facilities will have a total capability of 100.0 MW with 100.0 MW of this output being recognized by PJM as Capacity.

Project Information
Queue Number AG1-404
Project Name Blue Mound-Chestnut 345 kV
Developer Name Wapella Bluffs Wind Project, LLC
State Illinois
County McLean
Transmission Owner ComEd
MFO 100.0 MW
MWE 100.0 MW
MWC 100.0 MW
Fuel Type Storage
Basecase Study Year 2024

Point of Interconnection

AG1-404 will interconnect on the ComEd transmission system tapping the Blue Mound to Chestnut 345 kV line. Queue Position AG1-404 proposes to connect ‘Pumpkin Vine BESS III’ with 100 MW battery storage at Pumpkin Vine Wind I to be built under PJM queue AG1-399. The proposed addition is behind the Point-of-Interconnection between ComEd and Pumpkin Vine Wind I.

Summer Peak Analysis

The Queue Project was evaluated as a 100.0 MW (Capacity 100.0 MW) injection in the ComEd area. Project was evaluated for compliance with applicable reliability planning criteria (PJM, NERC, NERC Regional Reliability Councils, and Transmission Owners). Potential Summer peak period network impacts are listed below:

Important to Note:

Note for Uprate Projects: Per Tariff Part VII, Subpart B, section 304 (B), if a project is an uprate (project relies on the Interconnection Facilities of a prior project) whose base project does not qualify for the expedited process, the uprate also will not qualify for the expedited process, regardless of analysis results.

Notes regarding Results displayed:

  1. Some flowgate overloads that a New Service Request contributes to, but does not contribute enough to meet cost allocation eligibility (per Manual 14A, Attachment B.3), may be reported in this Transition Sort report. These types of flowgates do not affect the classification of the New Service Request as either Expedited Process or Transition Cycle #1 because cost allocation eligibility has not been met.
  2. For projects that were determined to not meet Expedited Process eligibility and are being reprioritized to Transition Cycle #1, not all reinforcements in excess of $5,000,000 may be shown in this report. This report may only display a subset of those reinforcements determined to be in excess of $5,000,000 which would classify the project as not meeting Expedited Process Eligibility. This is not a formal System Impact Study.
Summer Peak Analysis
Area Facility Description Contingency Name Contingency Type DC|AC Initial Loading Final Loading Rating (MVA) Rating Type MVA to Mitigate MW Contribution Details
CE AE1-172 TAP-AD1-100 TAP 345.0 kV Ckt 1 line
939400 to 934720 ckt 1
COMED_P4_012-45-BT12-14
CONTINGENCY 'COMED_P4_012-45-BT12-14'
 TRIP BRANCH FROM BUS 270717 TO BUS 930760 CKT 1   /*DRESDEN  ; R 345.0 - AB1-122 TAP1 345.0
 TRIP BRANCH FROM BUS 964580 TO BUS 270717 CKT 1   /*AG1-321 TAP  345.0 - DRESDEN  ; R 345.0
END
Breaker AC 157.51 % 159.17 % 2107.0 STE 3353.73 34.55
CE AE1-172 TAP-AD1-100 TAP 345.0 kV Ckt 1 line
939400 to 934720 ckt 1
COMED_P4_012-45-BT14-15
CONTINGENCY 'COMED_P4_012-45-BT14-15'
 TRIP BRANCH FROM BUS 270697 TO BUS 270717 CKT 1   /*COLLINS  ; R 345.0 - DRESDEN  ; R 345.0
 TRIP BRANCH FROM BUS 964580 TO BUS 270717 CKT 1   /*AG1-321 TAP  345.0 - DRESDEN  ; R 345.0
END
Breaker AC 153.0 % 154.64 % 2107.0 STE 3258.28 34.11
CE LORETTO ; B-AE1-172 TAP 345.0 kV Ckt 1 line
270704 to 939400 ckt 1
COMED_P4_012-45-BT12-14
CONTINGENCY 'COMED_P4_012-45-BT12-14'
 TRIP BRANCH FROM BUS 270717 TO BUS 930760 CKT 1   /*DRESDEN  ; R 345.0 - AB1-122 TAP1 345.0
 TRIP BRANCH FROM BUS 964580 TO BUS 270717 CKT 1   /*AG1-321 TAP  345.0 - DRESDEN  ; R 345.0
END
Breaker AC 172.25 % 174.14 % 1846.0 STE 3214.71 34.55
CE LORETTO ; B-AE1-172 TAP 345.0 kV Ckt 1 line
270704 to 939400 ckt 1
COMED_P4_012-45-BT14-15
CONTINGENCY 'COMED_P4_012-45-BT14-15'
 TRIP BRANCH FROM BUS 270697 TO BUS 270717 CKT 1   /*COLLINS  ; R 345.0 - DRESDEN  ; R 345.0
 TRIP BRANCH FROM BUS 964580 TO BUS 270717 CKT 1   /*AG1-321 TAP  345.0 - DRESDEN  ; R 345.0
END
Breaker AC 165.75 % 167.62 % 1846.0 STE 3094.23 34.11
CE PONTIAC ; B-LORETTO ; B 345.0 kV Ckt 1 line
270852 to 270704 ckt 1
COMED_P4_012-45-BT12-14
CONTINGENCY 'COMED_P4_012-45-BT12-14'
 TRIP BRANCH FROM BUS 270717 TO BUS 930760 CKT 1   /*DRESDEN  ; R 345.0 - AB1-122 TAP1 345.0
 TRIP BRANCH FROM BUS 964580 TO BUS 270717 CKT 1   /*AG1-321 TAP  345.0 - DRESDEN  ; R 345.0
END
Breaker AC 162.69 % 164.57 % 1837.0 STE 3023.24 34.57
CE PONTIAC ; B-LORETTO ; B 345.0 kV Ckt 1 line
270852 to 270704 ckt 1
COMED_P4_012-45-BT14-15
CONTINGENCY 'COMED_P4_012-45-BT14-15'
 TRIP BRANCH FROM BUS 270697 TO BUS 270717 CKT 1   /*COLLINS  ; R 345.0 - DRESDEN  ; R 345.0
 TRIP BRANCH FROM BUS 964580 TO BUS 270717 CKT 1   /*AG1-321 TAP  345.0 - DRESDEN  ; R 345.0
END
Breaker AC 156.2 % 158.06 % 1837.0 STE 2903.6 34.13
CE BLUEMOUND; B-PONTIAC ; B 345.0 kV Ckt 1 line
270668 to 270852 ckt 1
COMED_P4_BRO-45-BT2-3__
CONTINGENCY 'COMED_P4_BRO-45-BT2-3__'
 TRIP BRANCH FROM BUS 270853 TO BUS 270819 CKT 1   /*PONTIAC  ; R 345.0 - MCLEAN ; R   345.0
 TRIP BRANCH FROM BUS 348847 TO BUS 348848 CKT 2   /*7BROKAW      345.0 - 4BROKAW      138.0
END
Breaker AC 129.67 % 132.01 % 1797.0 STE 2372.19 43.1
CE AG1-399 TAP-BLUEMOUND; B 345.0 kV Ckt 1 line
965340 to 270668 ckt 1
COMED_P4_BRO-45-BT2-3__
CONTINGENCY 'COMED_P4_BRO-45-BT2-3__'
 TRIP BRANCH FROM BUS 270853 TO BUS 270819 CKT 1   /*PONTIAC  ; R 345.0 - MCLEAN ; R   345.0
 TRIP BRANCH FROM BUS 348847 TO BUS 348848 CKT 2   /*7BROKAW      345.0 - 4BROKAW      138.0
END
Breaker AC 102.44 % 104.68 % 1863.0 STE 1950.17 43.13
CE AG1-399 TAP-BLUEMOUND; B 345.0 kV Ckt 1 line
965340 to 270668 ckt 1
COMED_P4_BRO-45-BT3-4__A
CONTINGENCY 'COMED_P4_BRO-45-BT3-4__A'
 TRIP BRANCH FROM BUS 270853 TO BUS 270819 CKT 1   /*PONTIAC  ; R 345.0 - MCLEAN ; R   345.0
 TRIP BRANCH FROM BUS 348847 TO BUS 991235 CKT 1   /*7BROKAW      345.0 - J1676 TAP    345.0
END
Breaker AC 102.08 % 104.33 % 1863.0 STE 1943.66 43.42
CE CHESTNUT ; B-AG1-399 TAP 345.0 kV Ckt 1 line
270685 to 965340 ckt 1
COMED_P4_BRO-45-BT2-3__
CONTINGENCY 'COMED_P4_BRO-45-BT2-3__'
 TRIP BRANCH FROM BUS 270853 TO BUS 270819 CKT 1   /*PONTIAC  ; R 345.0 - MCLEAN ; R   345.0
 TRIP BRANCH FROM BUS 348847 TO BUS 348848 CKT 2   /*7BROKAW      345.0 - 4BROKAW      138.0
END
Breaker AC 97.71 % 100.62 % 1863.0 STE 1874.47 56.87

Light Load Analysis

The Queue Project was evaluated as a 100.0 MW (Capacity 100.0 MW) injection in the ComEd area. Project was evaluated for compliance with applicable reliability planning criteria (PJM, NERC, NERC Regional Reliability Councils, and Transmission Owners). Potential light load period network impacts are listed below:

Important to Note:

Note for Uprate Projects: Per Tariff Part VII, Subpart B, section 304 (B), if a project is an uprate (project relies on the Interconnection Facilities of a prior project) whose base project does not qualify for the expedited process, the uprate also will not qualify for the expedited process, regardless of analysis results.

Notes regarding Results displayed:

  1. Some flowgate overloads that a New Service Request contributes to, but does not contribute enough to meet cost allocation eligibility (per Manual 14A, Attachment B.3), may be reported in this Transition Sort report. These types of flowgates do not affect the classification of the New Service Request as either Expedited Process or Transition Cycle #1 because cost allocation eligibility has not been met.
  2. For projects that were determined to not meet Expedited Process eligibility and are being reprioritized to Transition Cycle #1, not all reinforcements in excess of $5,000,000 may be shown in this report. This report may only display a subset of those reinforcements determined to be in excess of $5,000,000 which would classify the project as not meeting Expedited Process Eligibility. This is not a formal System Impact Study.
Light Load Analysis
Area Facility Description Contingency Name Contingency Type DC|AC Initial Loading Final Loading Rating (MVA) Rating Type MVA to Mitigate MW Contribution Details
CE AE1-172 TAP-AD1-100 TAP 345.0 kV Ckt 1 line
939400 to 934720 ckt 1
COMED_P1-2_345-L8014__R-S-A
CONTINGENCY 'COMED_P1-2_345-L8014__R-S-A'
 TRIP BRANCH FROM BUS 270853 TO BUS 964580 CKT 1   /*PONTIAC  ; R 345.0 - AG1-321 TAP  345.0
END
Single AC 113.74 % 115.25 % 2107.0 STE 2428.3 34.11
CE AE1-172 TAP-AD1-100 TAP 345.0 kV Ckt 1 line
939400 to 934720 ckt 1
COMED_P1-2_345-L8014__R-S-B
CONTINGENCY 'COMED_P1-2_345-L8014__R-S-B'
 TRIP BRANCH FROM BUS 964580 TO BUS 270717 CKT 1   /*AG1-321 TAP  345.0 - DRESDEN  ; R 345.0
END
Single AC 113.74 % 115.25 % 2107.0 STE 2428.3 34.11
CE AE1-172 TAP-AD1-100 TAP 345.0 kV Ckt 1 line
939400 to 934720 ckt 1
COMED_P4_012-45-BT12-14
CONTINGENCY 'COMED_P4_012-45-BT12-14'
 TRIP BRANCH FROM BUS 270717 TO BUS 930760 CKT 1   /*DRESDEN  ; R 345.0 - AB1-122 TAP1 345.0
 TRIP BRANCH FROM BUS 964580 TO BUS 270717 CKT 1   /*AG1-321 TAP  345.0 - DRESDEN  ; R 345.0
END
Breaker AC 111.58 % 113.07 % 2107.0 STE 2382.46 34.28
CE AE1-172 TAP-AD1-100 TAP 345.0 kV Ckt 1 line
939400 to 934720 ckt 1
Base Case Single AC 110.53 % 112.27 % 1364.0 A 1531.36 23.63
CE LORETTO ; B-AE1-172 TAP 345.0 kV Ckt 1 line
270704 to 939400 ckt 1
COMED_P1-2_345-L8014__R-S-A
CONTINGENCY 'COMED_P1-2_345-L8014__R-S-A'
 TRIP BRANCH FROM BUS 270853 TO BUS 964580 CKT 1   /*PONTIAC  ; R 345.0 - AG1-321 TAP  345.0
END
Single AC 122.74 % 124.47 % 1846.0 STE 2297.81 34.11
CE LORETTO ; B-AE1-172 TAP 345.0 kV Ckt 1 line
270704 to 939400 ckt 1
COMED_P1-2_345-L8014__R-S-B
CONTINGENCY 'COMED_P1-2_345-L8014__R-S-B'
 TRIP BRANCH FROM BUS 964580 TO BUS 270717 CKT 1   /*AG1-321 TAP  345.0 - DRESDEN  ; R 345.0
END
Single AC 122.74 % 124.47 % 1846.0 STE 2297.65 34.11
CE LORETTO ; B-AE1-172 TAP 345.0 kV Ckt 1 line
270704 to 939400 ckt 1
COMED_P4_012-45-BT12-14
CONTINGENCY 'COMED_P4_012-45-BT12-14'
 TRIP BRANCH FROM BUS 270717 TO BUS 930760 CKT 1   /*DRESDEN  ; R 345.0 - AB1-122 TAP1 345.0
 TRIP BRANCH FROM BUS 964580 TO BUS 270717 CKT 1   /*AG1-321 TAP  345.0 - DRESDEN  ; R 345.0
END
Breaker AC 120.19 % 121.91 % 1846.0 STE 2250.44 34.28
CE LORETTO ; B-AE1-172 TAP 345.0 kV Ckt 1 line
270704 to 939400 ckt 1
Base Case Single DC 101.86 % 103.59 % 1364.0 A 1412.97 23.63
CE PONTIAC ; B-LORETTO ; B 345.0 kV Ckt 1 line
270852 to 270704 ckt 1
COMED_P1-2_345-L8014__R-S-A
CONTINGENCY 'COMED_P1-2_345-L8014__R-S-A'
 TRIP BRANCH FROM BUS 270853 TO BUS 964580 CKT 1   /*PONTIAC  ; R 345.0 - AG1-321 TAP  345.0
END
Single AC 113.56 % 115.31 % 1837.0 STE 2118.27 34.22
CE PONTIAC ; B-LORETTO ; B 345.0 kV Ckt 1 line
270852 to 270704 ckt 1
COMED_P1-2_345-L8014__R-S-B
CONTINGENCY 'COMED_P1-2_345-L8014__R-S-B'
 TRIP BRANCH FROM BUS 964580 TO BUS 270717 CKT 1   /*AG1-321 TAP  345.0 - DRESDEN  ; R 345.0
END
Single AC 113.56 % 115.3 % 1837.0 STE 2118.11 34.22
CE PONTIAC ; B-LORETTO ; B 345.0 kV Ckt 1 line
270852 to 270704 ckt 1
COMED_P4_012-45-BT12-14
CONTINGENCY 'COMED_P4_012-45-BT12-14'
 TRIP BRANCH FROM BUS 270717 TO BUS 930760 CKT 1   /*DRESDEN  ; R 345.0 - AB1-122 TAP1 345.0
 TRIP BRANCH FROM BUS 964580 TO BUS 270717 CKT 1   /*AG1-321 TAP  345.0 - DRESDEN  ; R 345.0
END
Breaker AC 111.23 % 112.97 % 1837.0 STE 2075.18 34.39
CE PONTIAC ; R-AG1-321 TAP 345.0 kV Ckt 1 line
270853 to 964580 ckt 1
COMED_P1-2_345-L11212_B-S-B
CONTINGENCY 'COMED_P1-2_345-L11212_B-S-B'
 TRIP BRANCH FROM BUS 934720 TO BUS 939400 CKT 1   /*AD1-100 TAP  345.0 - AE1-172 TAP  345.0
END
Single DC 122.02 % 123.74 % 1797.0 STE 2223.68 31.03
CE PONTIAC ; R-AG1-321 TAP 345.0 kV Ckt 1 line
270853 to 964580 ckt 1
COMED_P1-2_345-L11212_B-S-C
CONTINGENCY 'COMED_P1-2_345-L11212_B-S-C'
 TRIP BRANCH FROM BUS 939400 TO BUS 270704 CKT 1   /*AE1-172 TAP  345.0 - LORETTO  ; B 345.0
END
Single DC 116.84 % 118.56 % 1797.0 STE 2130.61 31.03
CE AG1-321 TAP-DRESDEN ; R 345.0 kV Ckt 1 line
964580 to 270717 ckt 1
COMED_P1-2_345-L11212_B-S-B
CONTINGENCY 'COMED_P1-2_345-L11212_B-S-B'
 TRIP BRANCH FROM BUS 934720 TO BUS 939400 CKT 1   /*AD1-100 TAP  345.0 - AE1-172 TAP  345.0
END
Single DC 132.06 % 133.93 % 1656.0 B 2217.88 31.03
CE AG1-321 TAP-DRESDEN ; R 345.0 kV Ckt 1 line
964580 to 270717 ckt 1
COMED_P1-2_345-L11212_B-S-C
CONTINGENCY 'COMED_P1-2_345-L11212_B-S-C'
 TRIP BRANCH FROM BUS 939400 TO BUS 270704 CKT 1   /*AE1-172 TAP  345.0 - LORETTO  ; B 345.0
END
Single DC 126.44 % 128.31 % 1656.0 B 2124.81 31.03
CE MCLEAN ; R-PONTIAC ; R 345.0 kV Ckt 1 line
270819 to 270853 ckt 1
COMED_P1-2_345-L8002___-S
CONTINGENCY 'COMED_P1-2_345-L8002___-S'
 TRIP BRANCH FROM BUS 270852 TO BUS 270668 CKT 1   /*PONTIAC  ; B 345.0 - BLUEMOUND; B 345.0
END
Single AC 116.93 % 118.04 % 1837.0 STE 2168.43 22.1
CE MCLEAN ; R-PONTIAC ; R 345.0 kV Ckt 1 line
270819 to 270853 ckt 1
COMED_P1-2_345-L9515___-S-B
CONTINGENCY 'COMED_P1-2_345-L9515___-S-B'
 TRIP BRANCH FROM BUS 965340 TO BUS 270668 CKT 1   /*AG1-399 TAP  345.0 - BLUEMOUND; B 345.0
END
Single AC 110.16 % 111.28 % 1837.0 STE 2044.19 22.2
AMIL/CE 7BROKAW-MCLEAN ; R 345.0 kV Ckt 1 line
348847 to 270819 ckt 1
COMED_P1-2_345-L8002___-S
CONTINGENCY 'COMED_P1-2_345-L8002___-S'
 TRIP BRANCH FROM BUS 270852 TO BUS 270668 CKT 1   /*PONTIAC  ; B 345.0 - BLUEMOUND; B 345.0
END
Single AC 99.88 % 101.04 % 1793.0 B 1811.65 22.31

System Reinforcements

The table below lists all network upgrades which resolve the identified overloaded facilities in this report.

Important to Note:

Note for Uprate Projects: Per Tariff Part VII, Subpart B, section 304 (B), if a project is an uprate (project relies on the Interconnection Facilities of a prior project) whose base project does not qualify for the expedited process, the uprate also will not qualify for the expedited process, regardless of analysis results.

Notes regarding Results displayed:

  1. Some flowgate overloads that a New Service Request contributes to, but does not contribute enough to meet cost allocation eligibility (per Manual 14A, Attachment B.3), may be reported in this Transition Sort report. These types of flowgates do not affect the classification of the New Service Request as either Expedited Process or Transition Cycle #1 because cost allocation eligibility has not been met.
  2. For projects that were determined to not meet Expedited Process eligibility and are being reprioritized to Transition Cycle #1, not all reinforcements in excess of $5,000,000 may be shown in this report. This report may only display a subset of those reinforcements determined to be in excess of $5,000,000 which would classify the project as not meeting Expedited Process Eligibility. This is not a formal System Impact Study.
  3. Reinforcements previously identified by Transmission Owners for violations on lower voltage facilities are included in this report. Transmission Owner analysis will be updated as part of the Expedited Process and Transition Cycle 1 retools.
System Reinforcements
RTEP ID Title Total Cost
(TBD) replace the limiting MISO substation terminal equipment with 4000A equipment in order to mitigate the constraint. This will include 2 circuit breakers, 5 switches and 1 wavetrap. $2,500,000
n7207 AD1-100 - AE1-172 - Loretto - replace-4-345kV circuit breakers, upgrade a line relay scheme, station conductor upgrades at both terminals $47,000,000
n8403 Construct a new 345kV line from TSS 93 Loretto to TSS 905 Essex (AD1-100 Interconnection Substation) $127,000,000
n8404 Reconductor line, upgrade station conductors and new relay settings $40,000,000
n8091 The upgrade will be to mitigate sag on the line, upgrade station conductor at both terminals and upgrade two 345 kV CBs at Pontiac. $21,800,000
(TBD) Additional ComEd Reinforcement Needed $0
n6260.1 Upgrade of TSS 80 Pontiac 345kV circuit breaker BT 4-5 and 345kV station and bus conductor $4,000,000
n6260.2 Replace a line disconnect switch to upgrade the Pontiac - Loretto 345 kV line. $500,000
n6260.3 ComEd 345kV L8012 SSTE rating is 1846 MVA. Station upgrade and line re-conductoring, ratings will be 1754/2246/2297/2488 MVA (SN/SLTE/SSTE/SLD). $61,500,000
n7938 Construct a new 345kV line from TSS 80 Pontiac to TSS 196 Katydid. New 345kV circuit breakers, relay upgrades and 345kV bus expansion $127,000,000
n6261.1 Mitigate Sag on the Pontiac - AD1-133 Tap 345 kV Line $12,300,000
n7941 Pontiac - Z2-087 (McLean) Sag Mitigation $10,500,000
n7941.1 Pontiac - Z2-087 (McLean) 345 kV line - upgarde station conductor at both stations and upgrade 2-138kV line traps. $2,200,000

Attachments

Conclusion

The Transition Sort load flow retool results indicate that AG1-404 is not eligible for the Expedited Process per PJM Tariff Part VII, Subpart B, section 304 (A) will be reprioritized to Transition Cycle #1. See next steps for your project in the "Introduction" section above.