SEDA-registered solar installer
Transwater
Operated by Transwater API Sdn Bhd
Shah Alam, Selangor · Homes · Commercial
At a glance
- Registered name
- Transwater API Sdn Bhd
- Trading as
- Transwater
- SSM registration
- 198601008320 (per company website)
- Main office
- Shah Alam, Selangor
- States on SEDA register
- Selangor
- Works on
- Homes, Commercial
- SEDA-qualified technicians
- 2 (1 solar PV wireman chargeman, 1 grid-connected PV system design)
- Google rating
- 4.0 from 17 reviews
- Opening hours
- Mon–Fri: 8:30 AM to 5:30 PM; Sat–Sun: Closed
- SEDA register data
- As of 31 July 2026
About Transwater
Transwater API Sdn Bhd is a Shah Alam-based engineering company that specialises in equipment, testing and services for the oil, gas and power industries — control valves, pressure relief valves, regulators, custody metering and related instrumentation — rather than solar installation for homes or general businesses. Its website makes only one reference to solar work: a listed 2025 engineering contract for 'EPIC of GCPV solar panel for BORF' for PTTEP.
The company operates five service and testing facilities in Shah Alam, Pengerang, Kemaman, Miri and Bintulu, and its Integrated Project Management team, with 120 dedicated staff, lists a long history of engineering, procurement, construction and commissioning (EPCC) contracts for clients including PETRONAS group companies, Gas Malaysia, Sabah Energy Corporation and Malaysia Marine & Heavy Engineering — almost all of them oil, gas and industrial infrastructure work rather than solar.
Given how little of Transwater's published work is solar-related, buyers looking specifically for a solar PV installer should ask for more detail on its ground-mounted GCPV solar experience before proceeding — its site does not name any panel or inverter brands, publish warranty terms, or describe a residential or commercial solar service.
Solar services offered by Transwater
- Solar EPIC engineeringLists one 2025 contract for engineering, procurement, installation and commissioning of a ground-mounted (GCPV) solar panel system for PTTEP; its main business is oil, gas and power equipment and services, not solar installation generally.
Not mentioned on its website: battery storage, EV chargers, maintenance plans, financing or leasing. Ask directly if you need any of these.
Selected Transwater projects
| Project | Type | System size |
|---|---|---|
| PTTEP – BORF ground-mounted solar (GCPV) | Industrial EPIC contract, ongoing since 2025 |
Project details as published on the company's website.
Panels, inverters and warranty
- Panel brands
- Not published
- Inverter brands
- Not published
- Warranty
- Not published
Ask for the panel and inverter models in your quote, and get the warranties in writing.
SEDA registration and qualified technicians
Transwater API Sdn Bhd is listed on the Sustainable Energy Development Authority (SEDA) register of solar PV service providers. The register names 2 qualified people at the company:
- Solar PV wireman chargeman (1)Qualified to carry out and sign off the electrical connection.
- Grid-connected PV system design (1)Qualified to design systems connected to the TNB grid.
You can check any installer yourself on the SEDA register. Our guide to SEDA registration explains what the certificates mean. Register data as of 31 July 2026.
Transwater reviews
4.0 from 17 Google reviews
17 reviews is a small sample. Read the most recent ones on Google Maps before deciding.
Transwater locations
Main office
35, Jalan Pengacara U1/48, Temasya Industrial Park, Section U1 Shah Alam Selangor, 40150 Shah Alam, Selangor
Contact Transwater
- Main line
- 03-5569 1155
- Website
- www.transwater.com.my
Before you get a quote from Transwater
- This company's main business is oil, gas and power-industry equipment and engineering, not solar installation — confirm it actually offers solar PV installation for your type of project before requesting a quote.
- Ask to see other solar (GCPV) projects beyond the single PTTEP contract listed on its site.
- Ask for panel and inverter brand names, and warranty terms, in writing; none are published.
To compare quotes, see our guides to solar panel costs and net energy metering.
Frequently asked questions
Is Transwater SEDA registered?
Yes. Transwater API Sdn Bhd is on SEDA's register of solar PV service providers, with 2 qualified technicians listed. This is based on register data as of 31 July 2026.
Where is Transwater located?
Its main office is at 35, Jalan Pengacara U1/48, Temasya Industrial Park, Section U1 Shah Alam Selangor, 40150 Shah Alam, Selangor.
What is Transwater's SSM registration number?
198601008320, according to company website.
What are Transwater's reviews like?
Transwater has a 4.0-star rating from 17 Google reviews.
Other solar installers near Shah Alam
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Alpha Solar Sdn BhdAlso in Shah Alam
System Protection & Maintenance Sdn BhdAlso in Shah Alam
Xenergi Sdn Bhd
Sources: SEDA register (data as of 31 July 2026), Google Maps, transwater.com.my, transwater.com.my/integrated-project-management. Is this your company? Claim this listing to correct or add details.