Our Services

WHAT WE DO

Engineered Solutions, Delivered End to End

ONSS LTD combines global sourcing power with local engineering expertise. We supply certified tier-one solar equipment and back it with design, commissioning and after-sales services so your energy system performs reliably for decades.

500+

Projects Delivered

15+

Countries Served

25 Yr

Product Warranty

24/7

Technical Support

OUR SERVICES

Services We Provide

A single, accountable partner for every stage of your solar project.

Solar Panel Systems

Complete rooftop and ground-mount PV systems using monocrystalline, bifacial and N-type TOPCon modules from tier-one manufacturers.

Solar Inverters

On-grid, off-grid and hybrid inverters from 3 kW to 250 kW, correctly sized and configured for your load profile and grid code.

Lithium Battery Solutions

LiFePO4 battery banks with BMS protection, rack and wall-mount formats, engineered for daily cycling and long service life.

Energy Storage Systems

Containerised and cabinet ESS for peak shaving, load shifting and backup power in commercial and industrial facilities.

Solar Water Pumping

DC and AC solar pump systems for irrigation, livestock and community water supply, with controllers and full BOS.

EV Charging Solutions

AC and DC fast chargers for homes, workplaces and fleets, integrated with solar generation and smart load management.

Solar Accessories

Mounting structures, cables, connectors, protection devices, monitoring and every balance-of-system component you need.

System Design & Consultation

Site assessment, energy audits, yield simulation, single-line diagrams and bankable technical documentation.

Installation Support

On-site and remote supervision, commissioning assistance and installer training to ensure safe, compliant deployment.

Maintenance & Technical Assistance

Preventive maintenance, performance monitoring, spare parts and rapid fault resolution under clear service agreements.

HOW WE WORK

A Clear, Proven Process

Four straightforward stages from first conversation to long-term performance.

Consultation

We listen to your energy goals, review load data and site conditions, and define the right scope.

Design & Proposal

Our engineers size the system, simulate output and issue a transparent technical and commercial proposal.

Supply & Delivery

Certified equipment is sourced from trusted manufacturers, quality-checked and shipped on schedule.

Support & Service

Commissioning support, monitoring, warranty handling and preventive maintenance keep performance high.

INDUSTRIES WE SERVE

Solutions for Every Sector

Tailored solar engineering across the sectors that keep economies running.

Residential

Rooftop solar and home battery backup that cut bills and keep the lights on.

Commercial

Offices, retail and hospitality systems that reduce operating costs and carbon.

Industrial

High-capacity PV and ESS engineered for continuous, heavy-load operations.

Agricultural

Solar pumping, irrigation and farm power for remote and off-grid sites.

Government Projects

Public infrastructure, schools, clinics and rural electrification programmes.

WHY ONSS LTD

Why Customers Trust Our Services

We do not simply sell hardware. We take responsibility for system performance, from the first calculation to the final maintenance visit, with documentation and support you can rely on.

Premium, Certified Products

IEC and TUV certified equipment from tier-one global manufacturers only.

Global Sourcing Power

Direct factory relationships mean better pricing and reliable lead times.

Professional Technical Support

Qualified engineers available before, during and after installation.

Warranty & After-Sales

Clear warranty terms, genuine spares and responsive service commitments.

SERVICE PLANS

Ongoing Support That Protects Your Investment

Choose the level of aftercare that matches your project.

Essential

Warranty administration, remote diagnostics and access to genuine spare parts.

Professional

Scheduled preventive maintenance, performance reporting and priority engineer response.

Enterprise

Full O&M coverage with SLA guarantees, on-site visits and dedicated account management.

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