Hasilwan is constantly seeking new partnerships who seek to collaborate and enhance their market reach to this region. Our extensive industry knowledge and experience help us meet our customers’ requirements to deliver effective solutions for each project.


  • To be a leading power engineering solutions provider.
  • To deliver excellence in both service and quality to all our stakeholders – clients, business partners, shareholders and employees.
  • To lead, participate and support stakeholders in convergence, disruptions and changes in the power industry.


  • We aim to be market leaders and work on continuous improvement in our business models to provide the best service and quality for all stakeholders.
  • We aim to provide a high level of customer satisfaction.
  • We will ensure that our workforce sustains a professional attitude.
  • We will ensure human resource development remains a core value with the company, enhancing employee skills and capabilities to be relevant and ahead in the industry.
  • We will embrace Strategic Agility & Operational Agility in our business operations.
  • We will embrace Diversity in our organizational culture and be Adaptive to any differences we face with all our stakeholders.



Hasilwan is committed to delivering products and services of quality which is evident through our satisfied customers and portfolio. We undertake substantial contract work including Engineering, Procurement, Construction & Commissioning (EPCC), and Systems Integration, from the government, statutory bodies and the private sectors and execute local projects without any limit or restrictions. We are qualified licensed contractors and are registered with government statutory or organisations which include the nation’s largest power utility provider and the Energy Commission.

Our experience in the industry is enhanced with our certifications, listed below:

  • Alcumus ISOQAR Ltd. Certificate of Approval for Quality Management System – ISO 9001:2015
  • Ministry of Development Board, Malaysia (CIDB) Class G7 Certificate
  • Ministry of Finance, Malaysia
  • Construction Industry Development Board, Malaysia – Category ME G7
  • Malaysia Certificate of Compliance for Government Contracts – Category ME G7
  • Tenaga Nasional Berhad, Malaysia – Category ME G7
  • Energy Commission, Malaysia – Code: Class A
  • Sabah Electricity Sdn Bhd – Category ME
  • State Financial Secretary Office of Sarawak, Procurement Unit and Consultant Contractor Registration – Category A Supply & Service
  • Sustainable Energy Development Authority Malaysia (SEDA Malaysia) (RPVSP & RPVI)

Our Products & Services

Hasilwan is committed to deliver solutions in the field of
engineering. Our service and maintenance workforce makes
it possible, ensuring that all our products are reliable, safe and of
high quality.



Our knowledge and expertise for power engineering based EPCC services are in:

• Project Management

• Production

• Erection & Commissioning

• Maintenance & Services

• Civil Works

• Planning

• Design

• Engineering

• Equipment Supply

• Procurement

• Delivery

• Installation

• Testing

• Commissioning

• After Sales Service




Our products are in a range of up to 500kv and type tested in internationally accredited test laboratories in compliance with the latest IEC standards and safety. With vast experience in High Voltage Power Transmission & Distribution power substations. We offer High Voltage primary equipment such as:

• Air & Gas Insulated Switchgears

• Air & Gas Circuit Breakers, Disconnector Switches

• Oil & Gas Power Transformers, Shunt Reactors, Capacitor Banks, Surge Arrestors, Current & Voltage Transformers and more




Our products are in a range of up to 72.5kv and type-tested and certified in compliance with IEC standards by established international accredited testing laboratories under established STL Laboratories. We supply, deliver, install and commission components such as :

• Power & Distribution Transformers (Oil, Gas & Cast Resin Type)

• Underground Cables & Overhead Distribution Lines

• AC/DC Air & Gas Insulated Switchgears (VCB & RMU)

• Containerised, Mobile and Compact Substation Units

• Voltage Regulators & Surge Arrestors and more




Our products are in a range of up to 500kv and compliant with IEC standards and can be customised to your technical requirements. We have an established a regional network of industrial partners and contractors with a reliable range of products and components that include:

• Condition Monitoring Systems

• Protection & Control Relay Panels

• Substation Automation (SCADA Systems)

• Remote Terminal Units

• Advanced Metering Infrastructure (AMI)

• Micro Grid Energy Management Systems (EMS)




Our knowledge and expertise are in:

• Power Substation Operations

• High Voltage & Medium Voltage Circuit Breakers, Transformers and more

• Control & Protection Systems

• Power Control & Automation

• Conditioning Monitoring Equipment

• Control & Management of Transmission & Distribution Networks and Systems




Our innovative engineering systems integration techniques are seen in our renewable energy solutions. Hasilwan’s ongoing initiative in renewable energy and sustainability has resulted in environment friendly energy solutions that minimises emissions and maximises energy efficiently through:

• EPCC services for Rooftop Solar PV Systems

• Development & Investments for Rooftop Solar PV Systems under Net Energy Metering (NEM) / SELCO scheme

• Development & Investments for Large Scale Solar (LSS)

• O&M services for Rooftop Solar PV Systems



Our solutions in energy storage continues to evolve with the advances in technology, giving businesses the flexibility in their consumption while bringing economic and environmental benefits. By creating a system that provides an environment-friendly and cost-friendly power storage, we aim to improve the quality of power for optimised and efficient consumption as a self-sustainable power system.

• Grid Connected Energy Storage Solutions

• Off Grid Energy Storage & Hybrid Solutions




Hasilwan is proud to be the strategic partner with IPU Group, the leading manufacturer for diesel and gas engines non-electric starting solution.

We can offer the complete range of starting system which includes spring, hydraulic, pneumatic and nitrogen starting.

The starting systems can also be designed to meet ATEX and marine classification standard (ABS,BV,LR) for use on offshore platforms, ships,mining facilities etc., depending on the customer requirements.

Kindly view the products/services offered below:

Air starter motors, systems and reman starters

Hydraulic starter motors, hydraulic systems, hydraulic mini-packs

Nitrogen starting systems

SureStart S20, S30, S40, S50, S60 and S70

Offshore maintenance service

Equipment maintenance service


Our Expertise

Over the years, Hasilwan has established ourselves as a strategic player in the industry. Backed by a team of qualified and experienced individuals of technical and non-technical background, we provide our clients with effective innovative services without compromising on quality. We are proud of the partnerships we have developed over the last three decades. Listed are selected references that best depict our services of the past and the present.

Selected Project Reference

Balance of work for the establishment of Main Intake Substation (PMU) in Mahkota Cheras, Selangor comprising the dismantlement and relocation of existing Remote Tap Control Cubicle (RTCC) from PMU Hicom Pegoh to PMU Mahkota Cheras including cabling works. 2017
Supply, installation and commissioning of Distribution Automation (DA) facilities for 11kV Vacuum Circuit Breaker (VCB) and Motorised Ring Main Unit (M-RMU) substations in Malaysia’s East Coast and Langkawi Island, Kedah state. 2017
Supply, delivery, installation, testing and commissioning of wall-mounted Remote Terminal Unit (RTU) for Secondary Substations (M-RMU 11/0.415kV) in Tenaga Nasional Bhd (TNB) Distribution Grid Systems. 2017
Supply, delivery, installation, testing and commissioning of Solar Grid Connected System at Department of Social Welfare (Jabatan Kebajikan Masyarakat) Buildings Phase 2 Zone 1: Perlis, Kedah, Perak and Selangor states. 2017
Implementation of grid protection upgrade and associated works for the whole Sabah Grid Network – Intelligent Load Shedding Scheme (ILSS) For Transmission Transformers. 2016
Protection relay replacement (supply, installation and commissioning) of selected 500kV, 275kV & 132kV, bays for Asset Maintenance Department, Transmission Division (Phase 1A) for Mainhead B: Joh-1 Johor Bahru, Kuala Lumpur, Negeri Sembilan and Pahang states. 2016
Design, supply, erection, testing and commissioning of 132kV switchgears, Shunt Capacitor Banks and Ancillary Equipment with Associated Civil Works for 1 X 60MVAR Capacitor Bank at PMU 132kV Kampong Cempaka, Selangor state. 2016
Rural Electrification Supply (Bekalan Elektrik Luar Bandar (BELB)) Project in Pos Poi, Sungai Siput Phase 2, Perak state. 2015
Establishment of New Main Intake Substation (PMU) 132/33/11kV in Batu Kawan South, Penang state including full electrical, mechanical and civil works for the building of new half storey substation design. 2014
Survey, design, supply, construction, testing and commissioning of approximately 196km 500kV power transmission line. 2013



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    Hasilwan (M) Sdn Bhd

    2nd Floor, No.3, Jalan SS 23/11, Taman SEA,

    47400 Petaling Jaya, Selangor D.E., Malaysia.

    T: +603-7803 8887

    F: +603-7803 8877

    W: www.hasilwan.com

    E: info@hasilwan.com

    Hasilwan Sarawak

    Queen’s Court,

    Block E-3, Ground Floor, Lot 9938, Jalan Wan Alwi,

    93350 Kuching, Sarawak,Malaysia

    T: +6082 458 652

    F: +6082 458 418

    E: info.sarawak@hasilwan.com

    Hasilwan Sabah

    Lot No.8,1st Floor, Block A,Damai Plaza Phase 4, Luyang,

    88300 Kota Kinabalu, Sabah,Malaysia.

    T/F: +608 821 9797

    E: info.sabah@hasilwan.com