Substation Scout

Burnham

Named in 7 PJM planning documents for 5 projects, from November 6, 2024 to October 16, 2026.

Existingdescribed as
COMEDzone
138KV, 345KV/138KV, 345kVkV as printed
13mentions

PJM interconnection queue

A PJM queue substation page has the same name: Burnham (IL) — 2 queue requests filed, 2 active.

Same name and transmission owner. Matched on name and transmission owner: the utility that presented this substation in PJM planning materials is the transmission owner recorded on the queue filings at a substation of the same name. Not verified as the same facility.

Projects naming this substation

Figures are from the most recent document naming each project, as printed. Each links to its page.

ProjectStatus as printedCost estimateIn-service dateCustomer loadAs of
Burnham 345kV BT1-2 CB
ComEd-2024-018 · s3585.1
In service $2.1M 12/31/24 Not printed 2025-10-08
TEAC
Burnham 345kV BT2-13 CB
ComEd-2024-019 · s3586.1
Engineering $2.1M 12/31/25 Not printed 2025-10-08
TEAC
Burnham 345kV BT12-13 CB
ComEd-2024-020 · s3587.1
Engineering $2.1M 12/31/26 Not printed 2025-10-08
TEAC
Burnham 345KV/138KV TR
ComEd-2026-009
Engineering Not printed Phase 1: 12/31/2026, Phase 2: 12/31/2028 Not printed 2026-07-07
TEAC
Burnham
ComEd-2026-017
Under construction $1.4 M 11/13/26 Not printed 2026-10-16
SRRTEP Western

Changes between documents

Where two documents print different values for the same project. A large change in a cost estimate can reflect a need being combined with others into one solution, not only a re-estimate; read both pages.

What changedPrinted valuesEarlierLater
Status engineering (Engineering) → in-service (In Service) 2024-11-06 2025-10-08

Every mention

DateDocumentProjectWhat the document says about it
2026-10-16 SRRTEP Western
Item 04 - ComEd Supplemental Projects Presentation p. 9
Burnham “Upgrade Burnham 138KV Bus 1-2, BT 2-3, Bus 3 and BT 3-4 Relays”
138KV
2026-09-18 SRRTEP Western
Item 04 - ComEd Supplemental Projects p. 7
Burnham “Burnham 138KV Bus 1-2, BT 2-3, Bus 3 and BT 3-4 electromechanical relays are obsolete and are being phased out of the system.”
138KV
2026-09-08* SRRTEP Western
ComEd local plan submission of the supplemental projects for 2025 RTEP p. 18
Burnham 345kV BT1-2 CB “Burnham 345kV BT1-2 oil circuit breaker was installed in 1971”
345kV
2026-09-08* SRRTEP Western
ComEd local plan submission of the supplemental projects for 2025 RTEP p. 20
Burnham 345kV BT2-13 CB “Burnham 345kV BT2-13 oil circuit breaker was installed in 1971”
345kV
2026-09-08* SRRTEP Western
ComEd local plan submission of the supplemental projects for 2025 RTEP p. 22
Burnham 345kV BT12-13 CB “Burnham 345kV BT12-13 oil circuit breaker was installed in 1988”
345kV
2026-07-07 TEAC
Item 12 - ComEd Supplemental Projects p. 6
Burnham 345KV/138KV TR “Burnham autotransformer 345KV/138KV TR84 300MVA was installed in 1974”
345KV/138KV
2026-06-02 TEAC
Item 10 - ComEd Supplemental Projects p. 3
Burnham 345KV/138KV TR “Burnham autotransformer 345KV/138KV TR84 300MVA was installed in 1974. It is deteriorating condition”
345KV/138KV
2025-10-08 TEAC
Informational Only - ComEd Local Plan Submission of the Supplemental Projects for 2025 p. 18
Burnham 345kV BT1-2 CB “Burnham 345kV BT1-2 oil circuit breaker was installed in 1971”
345kV
2025-10-08 TEAC
Informational Only - ComEd Local Plan Submission of the Supplemental Projects for 2025 p. 20
Burnham 345kV BT2-13 CB “Burnham 345kV BT2-13 oil circuit breaker was installed in 1971”
345kV
2025-10-08 TEAC
Informational Only - ComEd Local Plan Submission of the Supplemental Projects for 2025 p. 22
Burnham 345kV BT12-13 CB “Burnham 345kV BT12-13 oil circuit breaker was installed in 1988”
345kV
2024-11-06 TEAC
Item 11 - ComEd Supplemental Projects p. 3
Burnham 345kV BT1-2 CB “Burnham 345kV BT1-2 oil circuit breaker was installed in 1971”
345kV
2024-11-06 TEAC
Item 11 - ComEd Supplemental Projects p. 5
Burnham 345kV BT2-13 CB “Burnham 345kV BT2-13 oil circuit breaker was installed in 1971”
345kV
2024-11-06 TEAC
Item 11 - ComEd Supplemental Projects p. 7
Burnham 345kV BT12-13 CB “Burnham 345kV BT12-13 oil circuit breaker was installed in 1988”
345kV

* A local-plan posting carries no meeting date; the date shown is when pjm.com last modified the file.

Before relying on any of this