Hasilwan
Hasilwan is a Malaysian engineering solutions provider advancing the nation’s energy transition, delivering integrated solutions in renewable energy, energy storage, energy efficiency, and low-carbon mobility.

About Hasilwan
Hasilwan is a Malaysian engineering solutions provider advancing the nation’s energy transition, delivering integrated solutions in renewable energy, energy storage, energy efficiency, and low-carbon mobility.
Company Information
| Company name | Hasilwan |
| Registered name | HASILWAN (M) SDN. BHD. |
| Registration no. | 0191023K / 198901013713 |
| Founded | 1989 |
| Industry | Home & Living |
| Headquarters | 2nd Floor, No.3, Jalan SS 23/11, Taman Sea, 47400 Petaling Jaya, Selangor, Malaysia |
| Phone | +603 7803 6188 |
| General email | info.sarawak@hasilwan.com |
| Website | Official Website |
| Social profiles | Facebook · LinkedIn |
Products & Services
Hasilwan provides the following publicly documented products and services.
Renewable Energy (RE)
Commercial and utility-scale solar systems, rooftop and ground PV, floating solar, hybrid systems and LSS construction.
Official pageEnergy Efficiency (EE)
Energy audits, HVAC and lighting optimisation, energy management systems, carbon credits and RECs.
Official pageLow Carbon Mobility (LCM)
EV infrastructure including DC fast charging, fleet charging systems, EV energy monitoring and green hydrogen R&D.
Official pageGreen Energy as a Service (EaaS)
A zero-CAPEX model covering financing, operation and maintenance of renewable and efficient systems.
Official pageEquipment Supply and Solution
Engineering equipment supply including medium-voltage switchgear, transformers and integrated power units.
Official pageTransmission & Distribution (T&D)
Design and construction of transmission and distribution systems, including substations, overhead/underground circuits, protection and control, and grid digitalisation.
Official pageBattery Energy Storage Systems (BESS)
BESS deployment, peak shaving, frequency regulation and backup power.
Official page- Power Grid Infrastructure (T&D)
- Battery Energy Storage System (BESS)
Company Photos
No approved photo is on file for this record yet.
Google Reviews
4.6 / 5 from 10 Google reviews.
Shown from the relevant Google Business Profile and attributed to Google. Branch ratings are not combined into a MalaysianRecord score.
View on GoogleLeadership & Key People
Public professional information about founders, directors and key business leaders associated with Hasilwan.
Yong Sien Wae
Group Chief Executive Officer (GCEO)
Leads the Group’s strategic direction and long-term growth agenda.
Yong Tzen Wae
Group Executive Director (GED)
Oversees Group-wide execution and governance.
Company Timeline
Founded — Founded as a power infrastructure contractor serving Malaysia’s growing energy sector.
Source · https://hasilwan.com/about/
Grid modernisation expansion — Expanded into substation and grid modernisation projects nationwide.
Source · https://hasilwan.com/about/
Renewable energy diversification — Diversified into solar and hydro renewable energy development.
Source · https://hasilwan.com/about/
Energy Efficiency division — Introduced an Energy Efficiency division.
Source · https://hasilwan.com/about/
Energy storage and low-carbon mobility — Launched Energy Storage Systems and Low Carbon Mobility solutions.
Source · https://hasilwan.com/about/
Awards, Certifications & Recognition
| MAESCO 25th Silver Jubilee Awards – Gold & Silver | MAESCO 2025 |
| ISO 9001, ISO 14001 and ISO 45001 alignment | ISO |
MalaysianRecord Verification
This Company Record is listed on MalaysianRecord but does not currently display a MalaysianRecord Verified status. Absence of a Verified status does not indicate a business is unsafe or illegitimate.
Locations
| HASILWAN (M) SDN BHD | 2nd Floor, No.3, Jalan SS 23/11, Taman SEA, 47400 Petaling Jaya, Selangor D.E, Malaysia. · +603 7803 6188; +603 7803 8877 |
| HASILWAN JOHOR | No. 40, Jalan Pelepas 4/9, Taman Perindustrian Tanjung Pelepas, 81550 Gelang Patah, Johor, Malaysia. |
| HASILWAN SARAWAK | Parcel 281-2-14, Section 48 KTLD, 1st Floor, BLK G21, L2, Taman Sri Sarawak, Jalan Tunku Abdul Rahman, 93100 Kuching, Sarawak, Malaysia. · +6082 458 652; +6082 458 418 |
| HASILWAN SABAH | Lot No.6, SH-1-6, 1st Floor, Block A Padimas Point, Jalan Pintas, Penampang, 88300 Kota Kinabalu, Sabah, Malaysia. · +6088 219 797 |
| HASILWAN POWER (CAMBODIA) CO., LTD | 11A (Ground Floor), Street 396, Beoung Keng Kong III, Beoung Keng Kong, Phnom Penh, 12304, Cambodia. · +855 (098) 708 882 |
Sources & Research Notes
Information in this record was compiled from the sources listed below and may include company-submitted material reviewed before publication.
- Official website26 Aug 2026
- SSM registration record (CTOS)26 Aug 2026
- Company logo (from official website, schema.org logo)27 Aug 2026
- About Hasilwan2026-09-06
- Solutions2026-09-06
- Contact Us2026-09-06
- News & Insights2026-09-06
Record History
- Imported from Solution Malaysia editorial data.
- Official-source enrichment: origin_summary, phone, general_email, markets_served, customer_segments, facebook_url, linkedin_url, business_type, services, people, timeline, recognition, locations, sources, faqs.
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