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Solar Modules
On-grid, off-grid, flexible and portable solar panels (PV modules) — TOPCon, HJT and back-contact, up to 730 W.
ExploreCOTECH Solar · 20+ Years of Solar Excellence · Since 2005
Top-50 Global PV Module Supplier · Since 2005
One manufacturer for your entire solar project.
Solar panels, storage, mounting and the appliances around them — engineered in-house, certified worldwide and shipped factory-direct. 20 GW delivered to 800+ buyers in 120+ countries.
✓ TÜV · UL · IEC · CE certified ✓ 26 datasheets ready to download ✓ Sales engineers reply within one working day
Company Profile
A vertically integrated solar leader
COTECH SOLAR, founded in Shanghai, is a vertically integrated solar leader and subsidiary of COTECH SOLAR GROUP LIMITED. We offer comprehensive solutions: cells, solar panels (modules), systems and PV projects — with quality assured through advanced production and international certifications.
Read more→2+Production bases
4+Branches
120+Shipped countries
20GWGlobal shipment
20+Years of expertise
Top50Global PV supplier
Leading Products
Eight product families, one manufacturer
Generation, storage, mounting and the solar appliances around them — engineered, documented and shipped together.
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Energy Storage
LiFePO4 storage from 300 W balcony kits to 5 MWh liquid-cooled containers.
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Mounting System
Roof, ground, carport, balcony, tracker and floating structures rated to 60 m/s.
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Mobile Solar Power
Solar light towers, surveillance trailers, generator trailers and portable stations.
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Cleaning Robots
Full-auto, semi-auto and trackless robots — dry cleaning that lifts yield 6-20%.
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Solar Water Pumps
Brushless pumps for wells, irrigation, pools and livestock — MPPT, dry-run protected.
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Solar Lighting
Street, wall, garden lights and home kits — LiFePO4, 180 lm/W, PIR smart control.
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Solar Ventilation
Nine ventilation lines — roof, wall, industrial, ceiling, ducted, tent fans and skylights.
ExploreTwo decades of growth
2005 → 2025 · twenty years, twenty gigawatts
From the first shipments to a Top-50 global module supplier — cumulative exports across 120+ countries.
2005FoundedGroup founded in Hong Kong; Shanghai operations follow
20115 GWTÜV certification for mono & poly modules
2014EuropeSubsidiaries in London & Ulm, Germany
201610 GWRecognised as a Well-Known Trademark
20208 deptsFull product lineup & global support
202520 GWTop-50 global module supplier
Why COTECH
A complete system, backed by 20 years of manufacturing
One supplier for generation, storage, mounting and the appliances around them — with the certifications and documentation your market asks for.
About COTECH→01
Rich experience
Over 20 years in renewable energy with a complete product system — modules, storage, mounting and solar appliances from one manufacturer.
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Vertical integration
An in-house chain from cells to modules to systems keeps quality controlled and lead times reliable.
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Multiple products
One supplier for generation, storage, mounting, lighting, pumping, ventilation and O&M robotics.
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Diversified services
OEM/ODM customisation plus technical and documentation support tailored to your market.
Proof600+ projects,
600+ projects,
every scale
From village rooftops to desert power plants and grid-side storage — COTECH products are proven in the field.
Overseas Clients
Trusted by 800+ clients and partners worldwide
Quick Answers
Frequently asked about COTECH
Straight answers for buyers, EPCs and distributors evaluating COTECH as a supplier.
Ask our team→What does COTECH Solar manufacture?
COTECH Solar is a vertically integrated manufacturer founded in 2005. It produces solar modules (N-type TOPCon, HJT and back-contact up to 730 W), LiFePO4 energy storage from balcony kits to 5 MWh containers, PV mounting systems, mobile solar power, cleaning robots, solar water pumps, lighting and ventilation.
Is COTECH Solar a Top-50 PV module supplier?
Yes. COTECH Solar ranks among the Top-50 global PV module suppliers, with 20 GW of cumulative module shipments delivered to around 800 clients in more than 120 countries since 2005.
What warranty do COTECH solar modules carry?
COTECH dual-glass modules carry a 15-year product warranty and a 30-year linear power warranty, guaranteeing at least 87% of initial output at year 30. Storage systems carry up to 10 years, mounting up to 25 years.
Does COTECH offer OEM or ODM manufacturing?
Yes. COTECH offers OEM/ODM services covering custom power classes, dimensions and branding, backed by two production bases with more than 1.2 GW of annual module capacity and ISO 9001 / ISO 14001 certified management.
Journal
Latest from COTECH
Company milestones, product releases and solar industry updates.
Waaree to Expand Arizona Module Plant to 1.6 GW
Waaree Energies approved a US$37 million upgrade that will lift its Arizona module facility from 1 GW to 1.6 GW of annual nameplate capacity.
Saudi Red Sea Utility Complex Reaches Commercial Operation with 358 MW Solar and 1.2 GWh Storage
The Red Sea tourism development has reached full commercial operation with an isolated 358 MWac solar network and 1,225.4 MWh battery system.
Mexico’s CFE Plans 5.48 GW of Solar Projects Through 2030
Mexico’s Federal Electricity Commission lists 5.48 GW of solar projects in a MXN 651 billion 2026–2030 investment program and flags battery storage for grid reliability.
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Tell us what you're building.
Send your application, country and target quantity — our sales engineers reply within one working day with matching products and documentation.