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The 150 kV production hall in Lippo Cikarang, with overhead cranes above transformers in assembly

Transformingthe Futureof Energy

Indonesia’s maker of power and distribution transformers, designed, built and tested in Lippo Cikarang since 1996.

See our products Track record
SINTRA rating plate
Established
1996
Power transformers
up to 150 MVA, 161 kV
Distribution transformers
up to 20 MVA, 36 kV
PLN 150 kV units in service
41
Design standards
SPLN, IEC, AS/NZS, IEEE/ANSI

One Factory for Distribution and Power Transformers, From Design to Final Test

Both of SINTRA’s production facilities sit side by side in Newton Techno Park, Lippo Cikarang. Engineering, winding, core, assembly, drying and a 161 kV test laboratory are all on one site.

About SINTRA

Site plan of SINTRA’s two production facilities Schematic of the factory in Newton Techno Park, Lippo Cikarang: the 20 kV facility of 20,300 square metres on the left, and the 150 kV facility of 23,500 square metres on the right, with its three-storey office block and test laboratory. 20 kV facility150 kV facility
20 kV facility20,300 m², distribution transformers and load break switches
150 kV facility23,500 m², power transformers up to 150 MVA, and the 161 kV test laboratory
Model of the site in Newton Techno Park, Lippo Cikarang. Not to scale.

Products & Services

Every transformer is designed to the customer’s voltage, rating and standard, then tested in our own laboratory before it leaves the factory.

Power Transformers

Substation and industrial units for PLN, smelters, mills and export.

Up to 150 MVA, 161 kV

Distribution Transformers

1-phase and 3-phase oil-immersed units, from PLN pole-mounted to custom industrial.

Up to 20 MVA, 36 kV

Cast-Resin Transformers

Dry-type units for buildings, hospitals and data centers.

Up to 10 MVA, 33 kV

Load Break Switch

Pole-mounted SF6 switch for 20 kV overhead lines.

24 kV, 630 A

Maintenance & Repair

Testing, oil treatment, repair and overhaul of transformers in service.

Any make, on site or in factory

Where SINTRA Sits on Indonesia’s Grid

Power leaves the plant, is stepped up to 500 kV for transmission, then stepped down twice before it reaches a socket. SINTRA builds the transformers for the last two steps.

Energized Across the Archipelago

Since 2017, 41 SINTRA 150 kV power transformers have passed Site Acceptance Test at PLN substations, from Sumatera to Papua. Six more are in production.

Full track record

41150 kV power transformers in service across Indonesia
2025

Each point is one 150 kV transformer that has passed its Site Acceptance Test with PLN. Positions are approximate, at substation-town level.

Region

Rating

Substations

    Built to IEEE/ANSI for the US Market

    In technical partnership with TECO and TECO Westinghouse, SINTRA designs and tests transformers to IEEE/ANSI C57 for customers in the United States.

    These units serve mining, data centers, oil & gas and heavy industry. Since our first 5,000 kVA FR3 ester-oil unit shipped to Texas in 2024, more than 70 SINTRA-built transformers have gone to the United States, Taiwan, Australia, Malaysia and Singapore.

    Standards we build to
    SINTRA engineers beside a 120 MVA power transformer on the test floor
    A 120 MVA, 150/33 kV power transformer, our largest to date, before dispatch.

    Trusted by Utilities, EPCs and Industry

    Government utilities, EPC consultants and contractors, and industrial, energy and technology companies in Indonesia and the United States.

    All customers

    • PLN
    • Asia Pulp & Paper (APP Sinar Mas)
    • APRIL Group (RAPP)
    • TECO Westinghouse
    • Foxconn
    • Freeport LNG
    • Indah Kiat Pulp & Paper
    • Pindo Deli Pulp and Paper Mills
    • EOG Resources
    • Oriental Union Chemical Corp.
    • Pertamina
    • ABB
    • Siemens
    • Sinohydro
    • Wuhuan Engineering (CNCEC)
    • Antam
    • Chevron
    • Clemson University

    Recent Milestones

    Full timeline since 1971

    1. 2026

      More Than 70 Export Units

      Over 70 transformers built for overseas markets: the United States, Taiwan, Australia, Malaysia and Singapore.

    2. 2025

      SMK3 and the 41st PLN Unit

      SMK3 occupational health and safety certification. GIS Sawahan in Surabaya becomes the 41st SINTRA 150 kV transformer in PLN service.

    3. 2024

      Into the US Market

      Shenchang Electric joins the TECO Group. SINTRA exports its first 5,000 kVA, 24.94/4.16 kV FR3 ester-oil power transformer to Texas, built to IEEE/ANSI C57.

    Catalogs

    Download our company profile and product catalogs, with reference tables, dimensions and test programs.

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