Skip to content

TOPCon

Not all POE encapsulants protect TOPCon solar cells from corrosion

UNSW researchers found that some POE encapsulants can trigger severe corrosion in TOPCon solar modules, causing up to 55% power loss under damp-heat conditions. Their study highlights that module reliability depends on the exact encapsulant formulation, not just the polymer type.

China solar manufacturer Eging faces potential exit from flagship PV project

A regional government authority in eastern China is weighing whether to unwind a multibillion-yuan manufacturing joint venture with Eging PV after construction delays and funding disruptions, underscoring mounting strain across the country’s solar supply chain.

India’s Emmvee Energy signs 4.5 GWp TOPCon solar cell supply agreement

Emmvee Energy has signed a long-term supply agreement with a domestic buyer to deliver 4.5 GWp of tunnel oxide passivated contact (TOPCon) solar cells.

‘Back contact will reach cost parity with TOPCon before end of decade’

During a pv magazine Week Europe 2025 webinar, panelists forecast back contact (BC) solar cells’ market share will draw level with TOPCon towards the end of the decade, before tandem technology begins large-scale momentum in the early 2030s.

India’s Vikram Solar commissions 5 GW automated module plant

Vikram Solar says its new 5 GW Vallam facility in Tamil Nadu lifts its module manufacturing capacity to 9.5 GW and is built on tunnel oxide passivated contact (TOPCon) technology with future heterojunction upgrades.

RenewSys launches TOPCon solar cells at REI 2025

RenewSys India unveiled its M10R n-type tunnel-oxide passivated contact (TOPCon) solar cells at the recent Renewable Energy India (REI) Expo 2025 in Greater Noida, India.

Loom Solar unveils 730 W modules, 1.2 GW factory plan in India

India’s Loom Solar says it will build a 1.2 GW module factory in the Indian state of Uttar Pradesh and expand production of high-efficiency tunnel oxide passivated contact (TOPCon) and heterojunction (HJT) modules.

Pahal Solar to build 2 GW solar cell and frame plant in India

Pahal Solar says it will produce 2 GW of tunnel-oxide passivated contact (TOPCon) solar cells and 2 GW of aluminum frames at its new facility in Gujarat, India, with full commissioning expected by late 2026.

Risen presents 475 W TOPCon solar panel with 23.8% efficiency

Chinese solar module maker Risen Energy has introduced a 475 W bifacial solar module with a power conversion efficiency of 23.8% to the Australian market, targeting the rooftop market.

World Green Energy to build 2 GW solar cell, 1.2 GW module plant in India

World Green Energy signed a land sublease with Tata Steel Special Economic Zone Ltd for 50 acres in Odisha, India, to build a 2 GW tunnel oxide passivated contact (TOPCon) solar cell and 1.2 GW module factory.

This website uses cookies to anonymously count visitor numbers. View our privacy policy.

The cookie settings on this website are set to "allow cookies" to give you the best browsing experience possible. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this.

Close