We install solar on houses.
Sunvest installs rooftop solar on homes across Peninsular Malaysia, under Solar ATAP — the scheme that replaced Net Energy Metering on 1 January 2026. A domestic installation is capped at 5 kW single-phase or 15 kW three-phase. The engineering design is done in-house, by the same engineering that handles grid interconnection design and electrical substations up to 132 kV.
The group has delivered 270+ installations; 28 of them are published in the portfolio with capacity, sector and grid scheme, in Johor, Negeri Sembilan, Selangor, Penang, Putrajaya (FT), Perak, Melaka. The head office is in Kuantan, Pahang. To ask for an assessment, tell us the address, the roof type and what a recent TNB bill shows.
One team, from the roof survey to commissioning.
The sequence below is the one the group runs on a commercial rooftop, at the scale of a single house.
Assessment
We look at the roof — orientation, pitch, shading, structure and the existing electrical intake — and read the consumption behind a recent TNB bill. A system size is derived from that assessment, not the other way round.
Engineering and design
Sizing, layout, string design and electrical integration are done in-house. Equipment is procured through tier-1 approved suppliers, the same supply chain the group's commercial and industrial projects are built from.
Installation and commissioning
Mounting, DC and AC works, protection and the metering interface, then testing and commissioning. Sunvest carries full turn-key EPC responsibility for what it builds, and a house is delivered under that same responsibility.
Monitoring and maintenance
24/7 remote plant monitoring, preventive maintenance programmes, corrective response and spare-parts management are established group services, run on a 25-year operating horizon. Ask which of them applies to a domestic system.
The scheme a home installs under.
Solar ATAP replaced Net Energy Metering on 1 January 2026. These are the rules that apply to a domestic installation.
The capacity cap
A domestic installation is capped at 5 kW single-phase or 15 kW three-phase. The cap, rather than the roof area, is often what sets the ceiling.
The ten-year contract
The contract runs ten years. Energy exported in excess of what the house consumes becomes an offset against the bill, on the same core principle Net Energy Metering used.
After the ten years
Once the term ends the installation is strictly for self-consumption: no offset and no roll-over on exported energy. That is worth designing for at the start rather than discovering later.
Who can apply
You must be a registered TNB consumer. An application is made after the system has been installed and commissioned, not before, and it is lodged through a registered photovoltaic service provider.
What a large system teaches you about a small one.
The group's other work is commercial, industrial and utility-scale. Four things carry straight across to a house.
Sized to consumption, not to roof area
Energy yield studies and yield optimisation are part of how the group develops projects. On a house that means the system is sized against what the building actually consumes, and against the Solar ATAP cap, rather than against how many panels will physically fit.
The same procurement
Panels, inverters and balance of system come from tier-1 approved suppliers — the procurement route the group's commercial and industrial projects use. A house is a smaller order on the same supply chain, not a different one.
Electrical integration as a discipline
Grid interconnection design and electrical substations up to 132 kV sit inside the group's EPC scope. The habits that come with that work — protection, earthing, metering, documentation — do not get smaller when the system does.
Storage, if it earns its place
Energy storage integration and hybrid solutions are part of the same EPC scope. Whether storage makes sense on a particular house is a question the assessment answers, not an assumption to start from.
Houses the group has already wired.
These are SFS Energy Sdn Bhd’s installations. SFS is the group’s EPC company and the entity that holds the SEDA Registered Photovoltaic Service Provider registration, and it publishes its own residential portfolio — twelve house-scale systems, in Johor, Pahang and Selangor. Six are shown here.
Figures and locations are read from SFS Energy’s own portfolio galleries, linked on each entry. Sunvest’s published portfolio is a separate list of 28 commercial, industrial and institutional projects and carries no residential entry; these systems belong to SFS and are shown here because they are what residential delivery by this group actually looks like.
What people ask before the first site visit.
Does Sunvest install solar on houses?
Yes. Sunvest installs rooftop solar on homes across Peninsular Malaysia, under Solar ATAP. The group’s 270+ delivered installations are commercial, industrial and institutional — the 28 published in the portfolio carry no residential entry — and a house is built by the same people, with the same engineering design, the same tier-1 approved supplier procurement and the same commissioning discipline.
Which states does Sunvest work in?
Peninsular Malaysia. The head office is in Kuantan, Pahang, and the published portfolio — 28 projects listed with capacity, sector and grid scheme — sits in Johor, Negeri Sembilan, Selangor, Penang, Putrajaya (FT), Perak, Melaka. Johor, Selangor, Negeri Sembilan and Penang each have a state page listing the projects delivered there.
How big can a house system be?
Under Solar ATAP a domestic installation is capped at 5 kW single-phase or 15 kW three-phase. Inside that cap the size comes out of the assessment — the consumption behind the bill, the usable roof, its orientation and its shading.
What does the Solar ATAP application involve?
Under Solar ATAP an application is made only after the system is installed and commissioned, not before. What the application needs, and where the Energy Commission and SEDA publish the current rules, is set out on the Solar ATAP page.
What does the process involve?
Four stages: assessment, engineering and design, installation and commissioning, then monitoring and maintenance. It is the same sequence the group runs on a commercial rooftop; the scale and the Solar ATAP cap are what differ.
How do I request an assessment?
Send the address, the roof type and what a recent TNB bill shows, by email or phone from the contact page. The assessment comes before any recommendation on system size.