Current-status policy: Listings are subject to seller reconfirmation, technical review, prior sale, and written commercial terms. The project one-line and specification control suitability.
Transformer JJ-GA283A
Manufacturer Georgia Transformer
Manufacturer basis Serial-specific nameplate reviewed
Rating 180/240/300 MVA; 63/84/105 MVA tertiary
Voltage / output 138/34.5 kV with 12 kV buried-delta tertiary
Quantity 1 documented unit - GA283A
Condition 2020 nameplate; current condition requires confirmation
Location Provided after qualified RFQ ONAN/ONAF/ONAF, 60 Hz, three-phase, vector group YNyn0+d1 Measured 138/34.5 kV impedance: 9.67% on a 180 MVA base Copper windings, conservator system, Type II mineral oil, and HV OLTC
Transformer JJ-G5058-03-01
Manufacturer Prolec GE
Manufacturer basis Serial-specific nameplate and approval drawings reviewed
Rating 132/176/220 MVA; 46.2/61.6/77 MVA tertiary
Voltage / output 345/34.5 kV with 13.8 kV delta tertiary
Quantity 1 documented unit - G5058-03-01
Condition Approval drawings reviewed; current condition requires confirmation
Location Provided after qualified RFQ Collector step-up duty; ONAN/ONAF/ONAF, 60 Hz, three-phase Grounded-wye / grounded-wye / delta winding configuration Nominal design H-X impedance: 12.0% on a 132 MVA base
Transformer JJ-GA447A
Manufacturer Georgia Transformer
Manufacturer basis Serial-specific approval drawings and FAT report reviewed
Rating 108/144/180 MVA; 37.8/50.4/63 MVA tertiary
Voltage / output 345/34.5 kV with 12 kV buried-delta tertiary
Quantity 1 documented unit - GA447A
Condition Factory acceptance tested September 2024; current condition requires confirmation
Location Provided after qualified RFQ ONAN/ONAF1/ONAF2, 60 Hz, three-phase, vector group YNyn0+d1 Measured H-X impedance: 6.99% on a 108 MVA base Factory test report concludes results were within technical tolerances
Transformer JJ-GA424A
Manufacturer Georgia Transformer
Manufacturer basis Serial-specific nameplate and approval drawings reviewed
Rating 72/96/120 MVA; 25.2/33.6/42 MVA tertiary
Voltage / output 138/34.5 kV with 12 kV buried-delta tertiary
Quantity 1 documented unit - GA424A
Condition Approval drawings reviewed; current condition requires confirmation
Location Provided after qualified RFQ Solar GSU design; ONAN/ONAF1/ONAF2, 60 Hz, three-phase Vector group YNyn0+d1 with HV OLTC and conservator oil system Nameplate rating is used; an outline-drawing discrepancy requires final seller confirmation
Transformer JJ-KETRA-84097
Manufacturer Kolektor ETRA
Manufacturer basis Five-unit opportunity confirmed by seller; rating plate and FAT package for serial 84097 reviewed
Rating 66/88/110 MVA; 22/29.333/36.666 MVA tertiary
Voltage / output 138/34.5 kV with 13.8 kV tertiary
Quantity 5 total units represented; serial-specific package reviewed for 84097
Condition 2020 factory records reviewed for serial 84097; current condition of all five units requires confirmation
Location Current location requires reconfirmation GSU duty; ONAN/ONAF1/ONAF2, 60 Hz, three-phase, vector group YNyn0+d11 Measured impedance: 13.41% on a 110 MVA base at nominal tap 2020 factory tests passed; those records do not establish current condition Seller confirms a five-unit opportunity; request all five serial-specific nameplates before quotation
Transformer JJ-HB533-2
Manufacturer Virginia Transformer Corp.
Manufacturer basis Two-unit nameplate design sheet reviewed
Rating 50.4/67.2/84 MVA
Voltage / output 115 kV delta / 34.5 kV grounded wye
Quantity 2 documented unit IDs - HB533A and HB533B
Condition Nameplate design reviewed; manufacture date and condition require confirmation
Location Provided after qualified RFQ ONAN/ONAF/ONAF, 60 Hz, three-phase, vector group Dyn1 Copper windings, Type II mineral oil, and Reinhausen HV LTC Designed impedance: 9.02% on a 50.4 MVA base; final tested value is not shown
Transformer JJ-HB501-3
Manufacturer Virginia Transformer Corp.
Manufacturer basis Three unit-specific nameplates reviewed
Rating 36/48/60 MVA
Voltage / output 115 kV delta / 34.5 kV grounded wye
Quantity 3 documented units - HB501A, HB501B, and HB501C
Condition February-March 2026 nameplates; current condition requires confirmation
Location Provided after qualified RFQ ONAN/ONAF/ONAF, 60 Hz, three-phase, vector group Dyn1 Measured impedance: 8.42%, 8.41%, and 8.46% at 36 MVA by unit Copper windings, Type II mineral oil, and ABB HV LTC
Transformer JJ-JL3023
Manufacturer IEN Hanchang / JCL Energy
Manufacturer basis Project-specific approval drawings reviewed
Rating 30/39.9/50 MVA at 55 C; 33.6/44.7/56 MVA at 65 C
Voltage / output 138 kV delta / 13.8 kV grounded wye
Quantity 1 design package represented - JL3023
Condition 2024 approval drawings reviewed; serial and current condition require confirmation
Location Provided after qualified RFQ Oil-immersed substation transformer; ONAN/ONAF/ONAF, 60 Hz, three-phase HV de-energized tap range: 131.1-144.9 kV Final impedance, serial number, test data, and manufacture date are not populated
Transformer JJ-230-220-1
Manufacturer ABB / Hitachi
Manufacturer basis Seller represented; written reconfirmation required
Rating 220 MVA represented
Voltage / output 230/34.5 kV represented
Quantity 1 unit represented
Condition Current condition requires reconfirmation
Location Provided after qualified RFQ Exact serial, nameplate, cooling, vector group, tests, and included scope require confirmation Seller authority and current availability require reconfirmation No compatibility or delivery claim is made from the summary alone
Generator JJ-J420-MULTI
Manufacturer INNIO Jenbacher
Manufacturer basis Seller represented; serials and package identity require confirmation
Rating Approximately 1.5 MW each represented
Voltage / output 60 Hz represented; output voltage to confirm
Quantity Multi-unit opportunity represented
Condition Current condition requires reconfirmation
Location United Kingdom port represented Serials, output basis, hours, starts, maintenance, emissions suitability, controls, and included scope require confirmation Import, freight, and project applicability require review Availability remains subject to prior sale
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