Hasilwan

Company information

Details imported from MalaysianRecord (export: 2026-09-11). Source status and review dates belong to that record; they are not a new verification by Next Malaysia.

Locations

HASILWAN (M) SDN BHD

Address: 2nd Floor, No.3, Jalan SS 23/11, Taman SEA, 47400 Petaling Jaya, Selangor D.E, Malaysia.

Phone: +603 7803 6188; +603 7803 8877

HASILWAN JOHOR

Address: No. 40, Jalan Pelepas 4/9, Taman Perindustrian Tanjung Pelepas, 81550 Gelang Patah, Johor, Malaysia.

HASILWAN SARAWAK

Address: Parcel 281-2-14, Section 48 KTLD, 1st Floor, BLK G21, L2, Taman Sri Sarawak, Jalan Tunku Abdul Rahman, 93100 Kuching, Sarawak, Malaysia.

Phone: +6082 458 652; +6082 458 418

HASILWAN SABAH

Address: Lot No.6, SH-1-6, 1st Floor, Block A Padimas Point, Jalan Pintas, Penampang, 88300 Kota Kinabalu, Sabah, Malaysia.

Phone: +6088 219 797

HASILWAN POWER (CAMBODIA) CO., LTD

Address: 11A (Ground Floor), Street 396, Beoung Keng Kong III, Beoung Keng Kong, Phnom Penh, 12304, Cambodia.

Phone: +855 (098) 708 882

Services & business activities

• Power Grid Infrastructure (T&D)
• Battery Energy Storage System (BESS)

Renewable Energy (RE)

Commercial and utility-scale solar systems, rooftop and ground PV, floating solar, hybrid systems and LSS construction.

Official details

Energy Efficiency (EE)

Energy audits, HVAC and lighting optimisation, energy management systems, carbon credits and RECs.

Official details

Low Carbon Mobility (LCM)

EV infrastructure including DC fast charging, fleet charging systems, EV energy monitoring and green hydrogen R&D.

Official details

Green Energy as a Service (EaaS)

A zero-CAPEX model covering financing, operation and maintenance of renewable and efficient systems.

Official details

Equipment Supply and Solution

Engineering equipment supply including medium-voltage switchgear, transformers and integrated power units.

Official details

Transmission & Distribution (T&D)

Design and construction of transmission and distribution systems, including substations, overhead/underground circuits, protection and control, and grid digitalisation.

Official details

Battery Energy Storage Systems (BESS)

BESS deployment, peak shaving, frequency regulation and backup power.

Official details

Key people

Yong Sien Wae

Role: Group Chief Executive Officer (GCEO)

Relationship: Current leadership

Leads the Group’s strategic direction and long-term growth agenda.

Source

Yong Tzen Wae

Role: Group Executive Director (GED)

Relationship: Current leadership

Oversees Group-wide execution and governance.

Source

Company history

Hasilwan states that it was founded in 1989 as a power infrastructure contractor serving Malaysia’s growing energy sector.

1989

Founded

Founded as a power infrastructure contractor serving Malaysia’s growing energy sector.

Source

2010

Grid modernisation expansion

Expanded into substation and grid modernisation projects nationwide.

Source

2012

Renewable energy diversification

Diversified into solar and hydro renewable energy development.

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2020

Energy Efficiency division

Introduced an Energy Efficiency division.

Source

2023

Energy storage and low-carbon mobility

Launched Energy Storage Systems and Low Carbon Mobility solutions.

Source

Recognition & certifications

MAESCO 25th Silver Jubilee Awards – Gold & Silver

Type: Award

Awarding body: MAESCO

Year: 2025

Source

ISO 9001, ISO 14001 and ISO 45001 alignment

Type: Management-system standards

Awarding body: ISO

Source