# JGC Holdings Corporation - Premier Japanese Turnkey Power Plant & Clean Energy Mega-EPC Contractor

> JGC Holdings Corporation is Japan’s flagship international engineering contractor. With nearly a century of uncompromising engineering precision, JGC has executed more than 20,000 projects in 80 countries, delivering mega-scale power generation complexes, LNG liquefaction plants, high-voltage substations, and clean hydrogen infrastructure.

- **Headquarters:** Yokohama, Japan
- **Founded:** 1928
- **Website:** https://www.jgc.com
- **Canonical URL:** https://voltformer.com/epc-contractors/jgc-holdings
- **Markdown Source:** https://voltformer.com/epc-contractors/jgc-holdings.md

## How to select an EPC contractor

EPC means engineering, procurement and construction. Compare contractors by project technology, country, voltage level and contractual delivery scope.

## Directory methodology

This directory presents company profiles, not a scored ranking or certification. Company-wide experience may include engineering, EPCM, equipment supply and consortium roles. Confirm the exact role, current qualifications and project references with the official company before shortlisting.

## What should an EPC enquiry include?

Specify the project country, capacity, grid voltage, single-line diagram, site conditions, scope boundaries, target schedule and acceptance tests. Clarify who owns permitting, civil works, grid studies, commissioning and performance guarantees.

Equipment enquiries submitted here go to Voltformer. Contact the listed company directly for its EPC services.

## Engineering Specializations

- Turnkey Combined Cycle (CCPP) & Cogeneration Power Plants
- Utility-Scale Solar Photovoltaic & Biomass Power Stations
- High-Voltage Gas-Insulated (GIS) Substations up to 500 kV
- Ammonia & Hydrogen Co-Firing Power Generation Systems
- Advanced Electromechanical Balance of Plant (E-BOP)

## Turnkey EPC Scope & Capabilities

- **Basic & Detailed Engineering:** Listed capability; confirm project-specific scope
- **Global Procurement & Supply Chain:** Listed capability; confirm project-specific scope
- **Civil & Structural Construction:** Listed capability; confirm project-specific scope
- **Testing & Plant Startup:** Listed capability; confirm project-specific scope
- **High-Voltage Substation EPC:** Listed capability; confirm project-specific scope
- **Transmission Lines:** Listed capability; confirm project-specific scope
- **Turnkey Power Plant EPC:** Listed capability; confirm project-specific scope
- **Grid Interconnection:** Listed capability; confirm project-specific scope

## Key Representative Projects

### Bapco Modernization Power & Cogeneration Facility
- **Capacity / Scope:** 400 MW Turnkey Power & Steam Cogeneration
- **Country:** Bahrain | **Client:** Bahrain Petroleum Company | **Year:** 2023
- **Description:** Mega-scale cogeneration plant supplying uninterruptible electricity and high-pressure steam to the national grid and refinery.
- **Technologies:** Gas Turbines, Heat Recovery Steam Generators, 220 kV GIS Substation

### Kamikatsu Mega-Solar Power Station
- **Capacity / Scope:** 96 MW Utility-Scale Solar PV
- **Country:** Japan (Tokushima) | **Client:** Pacifico Energy | **Year:** 2020
- **Description:** High-efficiency mountainous solar power plant engineered with terrain-adaptive mounting and a dedicated 154 kV grid interconnection substation.
- **Technologies:** Solar PV Modules, Central Inverters, 154 kV Substation

### Fadhili Gas Processing Cogeneration Link
- **Capacity / Scope:** 1,500 MW Substation & Electrical Network
- **Country:** Saudi Arabia | **Client:** Saudi Aramco | **Year:** 2019
- **Description:** Engineering and installation of high-voltage transmission interconnectors, step-up transformers, and main power distribution.
- **Technologies:** 380 kV Power Transformers, GIS Switchgear, SCADA Network

## Technical Services

- **Lump-Sum Turnkey (LSTK) Power Plant EPC:** Single-source responsibility for process design, detailed engineering, international procurement, and plant commissioning.
- **High Voltage Substation Engineering:** Design and construction of seismic-resistant 220 kV to 500 kV GIS substations and transmission tie-ins.
- **Renewable Mega-Solar & Biomass EPC:** Turnkey engineering for large-scale solar farms and biomass generation plants with dedicated grid-intertie substations.
- **Clean Fuel Co-Firing Engineering:** Front-end design and retrofits enabling coal and gas power plants to co-fire zero-emission ammonia and hydrogen.

## Quality Standards & Certifications

- ISO 9001:2015
- ISO 14001:2015
- ISO 45001:2018
- JIS Certified

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