Power System Solutions

We continue to develop new technologies that are at the forefront of the industry's megatrends.

  1. Go to Home
  2. Power Systems
  3. Power Products
  4. Turnkey Solutions

Turnkey Solutions

Hyosung Heavy Industries, a reputable manufacturer of extra-high voltage electrical equipment, offers turnkey solutions at competitive prices to meet the current and future needs of global customers.

With decades of experience and knowledge in substation engineering, material procurement, and construction, we design and build a variety of substations and transmission lines.

Our turnkey solutions meet the customer's requirements regardless of their criteria.

Product Details

Discover custom solutions that meet your needs.

Total solution

Experts from Hyosung Heavy Industries assist clients with the design, purchase, construction, and operation of GIS substations, AIS substations, transmission lines, ESS, and STATCOM, from conception to completion.

  • Project management
  • Design
  • Purchasing and procurement
  • Construction
  • Operation and maintenance
  • Installation management
  • Technical cooperation and support


Hyosung Heavy Industries possesses design capabilities for substations and grids based on its system engineering expertise and integrated substation design experience.

Scope of
Basic Design Drawing System Logic Diagram Current Transformer / Voltage Transformer Calculation
AC/DC Capacity Calculation AC/DC Circuit Design Earthing Calculation & Plan
Lighting Calculation Cable Calculation Short Circuit Current Calculation
Protection Relay Setting Calculation Cable Block Diagram & Schedule Installation Drawing
Installation and Operation Maintenance Manual Site Inspection and Testing Procedure Manual As Built Document

Purchasing and procurement

Hyosung Heavy Industries establishes a global sourcing network and self-manufacturing capabilities for various power equipment in order to provide turnkey solutions. Through this, we offer turnkey solutions for power transmission and distribution, including substations, at competitive prices and with superior quality.

Produced by HyosungTransformers
  • Up to 800kV Power Transformer
  • Distribution Transformer
  • Cast Resin Transformer
  • Shunt Reactor/Variable Shunt Reactor
  • TR Monitoring System
Produced by HyosungCircuit Breakers
  • 24~800kV Gas Insulated Switchgear
  • GIS Monitoring System(Partial Discharge Monitoring System)
  • GCB up to 362kV
  • DS up to 362kV
Produced by HyosungSystem Solutions
  • SAS
Produced by HyosungControl Panels
  • Control and Protection Panel
  • Medium/Low Voltage Switchgear
  • Metal Enclosed Bus
Globally sourcedAIS Equipment Installed Outdoors
  • Circuit Breaker
  • Dis-connectors and Earthing Switches
  • Current and Voltage Transformer
  • Surge Arresters
Globally sourcedSystem Solutions
  • Control and Protection Panel
  • SAS
  • Telecommunication System & SCADA
Globally sourcedOther
  • DC Equipment
  • Diesel Generator
  • HV, MV, LV Cable
  • Steel Structure
  • Insulator, Hardware
  • Crane
  • CCTV
  • Mobile Substation
  • Special Tools, Testing Equipment


The construction service of Hyosung Heavy Industries adheres to three fundamental principles.

  • Eco-friendly Design

    Construction design is conducted in
    accordance with eco-friendly principles.
  • Compliance with safety rules

    As they undergo training in accordance with the
    safety rule program, field employees prevent
    potential accidents in advance
  • Delivery time management

    In order to meet the construction schedule, we
    ensure customer satisfaction by employing
    experienced project managers to manage delivery
    from site clearance to commissioning.


Our track records speak for ourselves.

  • Panama

    Llano Sanchez 230kV Statcom

    • Panama 230kV Panama II & Llano Sanchez Project
  • Bangladesh

    Aminbazar 400kV AIS Substation

    • Bangladesh Aminbazar 400/230kV Substation Project
  • Algeria

    Marsat 400kV GIS Substation

    • 400/220kV GIS Substation Marsat Turn-Key Project
  • Ethiopia

    Suluta 400kV Gebreguracha Power Tranmission

    • Procurement Of Plant Design, Supply And Installation Of Suluta - Gebreguracha Power Transmission Project
  • Tanzania

    Iringa Dodoma 220kV AIS Substation

    • Tanzania / Design, Supply And Installation For Upgrading Four 220kV Substations Project
  • Qatar

    Qatar Kahramaa 132kV GIS Substation

    • Phase-9 Project Package S-2 Project


We adhere to global standards and maintain an environment of the highest quality.

View all certifications
  • ISO9001


  • ISO14001


  • ISO45001



Download related material.