Sugar Land, Texas · Nationwide power-equipment sourcing

346-276-9540 tommy@jjtransformers.com

Generation owners · IPPs · EPC teams

Power Transformers and Generation Equipment for Power Plants and IPPs

J&J Transformers LLC supplies and sources generator step-up (GSU) transformers, station-service transformers, generators and turbines for power plants, IPPs and EPCs nationwide. Review current equipment or send your MVA, generator and grid voltages, quantity and required date for a private search. Call Tommy Marco at 346-276-9540 for specifications and pricing. Technical suitability and availability require engineering review and written confirmation; subject to prior sale.

J&J Transformers LLC · Sugar Land, Texas · Serving projects nationwide

Tommy Marco · tommy@jjtransformers.com

Project teams
IPP · utility · EPC · plant owner
Equipment
GSU · station service · generation
Interfaces
Generator · auxiliary bus · grid POI
Quote basis
One-line · ratings · site · date

Current transformer listings

Transformers available for review

Each listing shows its public ratings and the records reviewed. Ask for photos or a technical package after project qualification. Availability must be reconfirmed in writing and remains subject to prior sale.

Jump to a section

Which power equipment can J&J source for a plant or IPP project?

J&J can screen GSU transformers, unit and reserve auxiliary transformers, substation transformers, natural-gas and diesel generators, gas and steam turbines, and related electrical equipment against a defined project duty. A prime mover or transformer is not treated as a complete plant package unless every included boundary is identified.

  • Generator step-up transformers for generator-to-grid duty.
  • Station-service and auxiliary transformers for plant loads.
  • Gas turbines, steam turbines, and electrical generators with defined package boundaries.
  • Spare or replacement transformers for planned outages and contingency readiness.

What must match before an existing GSU can serve a different generator or grid point?

The project team’s engineers should compare generator MVA and terminal voltage, grid voltage, frequency, winding connection and phase displacement, grounding, impedance and base, BIL, taps, cooling, losses, terminals, protection interfaces, physical arrangement, accessories, condition, transport state, and available test records. A matching MVA headline is not enough.

What belongs in a decision-ready power-plant equipment package?

Request serial-specific nameplates, final drawings, certified factory tests when available, condition and preservation evidence, dimensions and weights, oil or shipping state, accessory lists, maintenance history for previously operated equipment, seller authority, inspection rights, location, freight boundaries, commercial terms, and written availability. Missing items should be listed as open, not assumed.

Why can represented equipment still require schedule work?

An existing unit can avoid a new manufacturing cycle, but identity checks, engineering deviations, inspection, any agreed testing, disassembly, oil handling, heavy-haul routing, permits, site foundations, accessories, assembly, commissioning, and utility or owner acceptance may still control the in-service date.

Can power plants and IPPs offer complete spare or project-released equipment directly?

Yes. Owners and parties with written transfer authority may submit factory-built equipment released by canceled, deferred, redesigned, repowered, or completed projects; unused owner spares; and documented operational equipment suitable for reuse. Submit authority, identity, ratings, location, condition, records, included scope, loading responsibility, timing, and commercial expectations.

Common questions

Written quotes and supporting records control unit-specific ratings, availability, condition, price, and delivery.

Can J&J source a schedule-critical GSU transformer?

J&J can screen public and private represented opportunities against the exact generator and grid duty. Availability must be confirmed in writing and remains subject to prior sale.

Does an IPP need to provide the plant one-line?

Provide the relevant controlled one-line or an authorized interface summary so ratings, grounding, protection, auxiliaries, and boundaries can be screened accurately.

Can a turbine and GSU be sourced together?

Yes, when the turbine-generator package, electrical generator rating, terminal voltage, frequency, power factor or reactive duty, GSU requirements, auxiliaries, controls, and included scope are defined.

Who approves technical suitability?

The project team, owner, utility, and their designated engineers approve suitability, studies, protection, installation, and energization. J&J is not the engineer of record.

Are exact storage locations public?

No. J&J identifies the country publicly and discloses exact storage locations to qualified project teams as the transaction advances.

Can a plant sell an operational spare directly to J&J?

Yes. Provide owner authority and the serial-specific technical, condition, location, preservation, handling, and commercial package for review.

CallRequest Equipment