Solar Cells Thailand — Official Trina Solar & Solax Power Distributor
Onvalla designs and installs solar power systems for industrial, residential, and corporate sectors — clean energy for a sustainable future, built on Trina Solar panels and Solax Power inverters and batteries.
– High-efficiency Trina Solar panels
– Smart inverters and batteries from Solax Power
– Professional installation team with after-sales service
– 25-year product warranty
Why Choose Onvalla for Solar
Trina Solar
High-efficiency panels, certified worldwide.
Solax Power
Long-lasting, safe inverters and batteries.
Professional Engineering Team
Full consulting, design, and installation.
25-Year Warranty
long-term equipment coverage you can rely on.
Trina Solar Panels
Onvalla is the official distributor of Trina Solar panels in Thailand — a globally certified, world-class brand.
- High efficiency and durability in all weather conditions
- Ideal for homes, businesses, and factories
- Complete consulting, design, and installation services
Solax Power Inverters & Batteries
Onvalla is the official distributor of Solax Power in Thailand — smart energy innovation from China, trusted worldwide.
- High-efficiency hybrid and on-grid inverters
- Long-life LFP lithium batteries
- Supports home and industrial systems, with uninterrupted power even during outages
Complete Accessories, One Place
Maximize your solar system’s efficiency with quality accessories, all selected to meet international standards:
– Steel/aluminum solar panel mounting frame
– Sun- and heat-resistant DC/AC cables
– Combiner box
– Reverse-current circuit breakers, SPDs, and a complete set of safety equipment
Power Generation Models
Every site is different — we design the system configuration that fits how you actually use power:
- On-Grid — connected to the utility grid, ideal for maximizing savings on your electricity bill.
- Off-Grid — fully independent from the grid, for sites without reliable grid access.
- Hybrid — combines grid connection with battery storage, for backup power during outages and greater energy independence.
Solar PV Module
Solar Panel Tier 1
The company is a leading provider of smart solar energy solutions, specializing in solar modules, power generation systems, microgrids, and energy cloud platforms. It is the first provider of solar energy products and systems to be listed on the STAR Market of the Shanghai Stock Exchange, recognized for its scientific and technological innovation.
Our Installation Impact
Visualize energy generation trends and monitor system performance over time.
