Reliable electricity.
Optimal operations.

Name: PT. Wiba Hari Solution
Address: Jalan Surtikanti IV Nomor 1, Bulu Lor, Semarang Utara, Semarang, Jawa Tengah, 50179, ID
Telephone: +62 856 0007 8391

Electrical engineering, installation, and maintenance solutions to maintain the operational reliability of your industry.

Consult Your Project Explore Services

Prioritizing safety, workmanship quality, and punctuality.Supported by professional personnel and industrial standards.

Electrical substation and medium-voltage power transformer installation (Photo by Aldward Castillo on Unsplash)

Industrial Electrical SolutionsEngineering · Installation · Maintenance

Our core competencies

Transformer Services

Maintenance, testing, and oil purification of transformers.

Medium Voltage Systems

Installation and maintenance of medium voltage systems.

Electrical Maintenance

Comprehensive industrial electrical system maintenance.

Our services

From installation to maintenance.

Every facility has different electrical requirements. We deliver installation and maintenance solutions tailored to your operational needs.

01 / 05

Transformer Purification, Servicing & Supply

Insulating oil purification, transformer maintenance and repair, gasket/packing replacement, rewinding, as well as supply of new and reconditioned transformers tailored to technical requirements.

Purification, treatment, filtering, and vacuum of transformer insulating oil.
Gasket/packing replacement and oil leakage repair.
Distribution transformer servicing, including rewinding, re-insulation, and technical modifications.
Supply of new and reconditioned/used transformers.
Transformer condition inspection and preventive maintenance recommendations.

Oil Purification & Vacuum
Gasket & Packing
Rewinding & Reisolating
New & Used Transformers

01 / 05

Transformer Purification, Servicing & Supply

Insulating oil purification, transformer maintenance and repair, gasket/packing replacement, rewinding, as well as supply of new and reconditioned transformers tailored to technical requirements.

Purification, treatment, filtering, and vacuum of transformer insulating oil.
Gasket/packing replacement and oil leakage repair.
Distribution transformer servicing, including rewinding, re-insulation, and technical modifications.
Supply of new and reconditioned/used transformers.
Transformer condition inspection and preventive maintenance recommendations.

Oil Purification & Vacuum
Gasket & Packing
Rewinding & Reisolating
New & Used Transformers

02 / 05

Panel Manufacturing, Cubicle Supply & MV/LV Maintenance

Electrical panel fabrication and assembly, medium voltage cubicle procurement, and maintenance of medium voltage (MV) and low voltage (LV) electrical systems. Covers MDP, SDP, cubicles, switchgear maintenance, and component upgrades for industrial reliability.

Electrical panel fabrication, assembly, and modification.
Supply of MV cubicles and switchgear adhering to technical specifications.
LV distribution panel maintenance, including MDP and SDP.
Inspection and maintenance of MV cubicles and switchgear.
Inspection, cleaning, and torque verification of panel terminations.
Refurbishment of electrical components and protection systems.
Supply of electrical components and equipment for project requirements.

Panel Maker
MV Cubicle Supply
MDP & SDP
MV/LV Maintenance

03 / 05

Transformer Insulating Oil Supply

Supply of transformer insulating oil for initial filling, replacement, or volume top-up to support industrial operations. Multiple recognized brands and technical specifications available.

Supply of Shell, Nynas, and Esco transformer insulating oils.
Supply of Mobil, Trust, and Pertamina insulating oils.
Provision of products matching specific transformer technical standards.
On-site oil filling and vacuum purification support aligned with scope.

Shell · Nynas · Esco
Mobil · Trust · Pertamina
Transformer Insulating Oil

04 / 05

Generator/Genset Supply & Maintenance

Procurement of silent type generator units for industrial and commercial standby power, complete with routine servicing, repairs, engine overhauls, installation, and operational load testing.

Supply of silent type generators across multiple brands according to project specifications.
Routine mechanical and electrical generator maintenance.
Engine repair and major overhaul for generator sets.
Inspection of electrical control systems and auxiliary equipment.
Installation support, functional commissioning, and operational load testing.

Genset Supply
Silent Type
Maintenance
Overhaul

05 / 05

Testing, Assessment, SLO, NIDI & Power Installation

Technical testing and assessment of transformers as well as medium voltage (MV) and low voltage (LV) panels, processing of SLO (Certificate of Operational Worthiness) and NIDI (Installation Identification Number), plus assistance with power capacity upgrades and new electricity connections.

Transformer diagnostic testing: TTR, Megger, Winding Resistance, Oil BDV, and DGA.
Testing and technical assessment of MV/LV electrical panels.
SLO and NIDI certification management.
Power capacity upgrades and new electricity installation services.

Transformer Testing
TTR · WINDING RESISTANCE
Megger · DGA • Oil BDV
MV/LV Panel Testing
SLO & NIDI

Have a broader project need?

We also provide general contractor services for construction and electrical projects.

Electrical testing and maintenance instruments from the Wibahari brochure

PT. Wiba Hari SolutionSemarang · Serving Java Island

A working partner
for industries that never stop.

PT. Wiba Hari Solution is a construction and electrical company committed to delivering the best solutions in infrastructure development and electrical systems.

With extensive experience, the company serves a wide range of construction projects—from buildings and roads to industrial facilities—while providing electrical installation and system maintenance services for the commercial and industrial sectors. PT. Wiba Hari Solution leverages the latest technology and high safety standards to ensure quality and efficiency in every project handled.

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Serving the needs
of diverse industries.

Customer references from the Wibahari company profile, spanning energy, manufacturing, banking, hospitality, and public facilities.

Engineering today.
Sustainable tomorrow.

To become a leading company delivering innovative, sustainable, and globally competitive construction and electrical solutions, with a strong commitment to quality, safety, and customer satisfaction.

Let’s work together

Synergy for
Indonesian Industry.

Tell us about your facility or project needs. The Wibahari team is ready to discuss a suitable solution — on standby 24 hours, 7 days a week.

Chat on WhatsApp Contact page

Phone / WhatsApp+62 856 0007 8391

Emailptwibaharisolution@gmail.com

Service areaJava Island

Office

Jalan Surtikanti IV Nomor 1, Bulu Lor, Semarang Utara, Kota Semarang, Jawa Tengah 50179

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Reliable electricity.Optimal operations.

Transformer Services

Medium Voltage Systems

Electrical Maintenance

From installation to maintenance.

Transformer Purification, Servicing & Supply

Transformer Purification, Servicing & Supply

A working partner for industries that never stop.

Serving the needsof diverse industries.

Engineering today.Sustainable tomorrow.

Synergy forIndonesian Industry.

Reliable electricity.
Optimal operations.

A working partner
for industries that never stop.

Serving the needs
of diverse industries.

Engineering today.
Sustainable tomorrow.

Synergy for
Indonesian Industry.