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Glass-Glass

(69 products)

Glass-glass solar modules with tempered glass on both sides (instead of glass-foil) for longer lifespan, better weather resistance, and partial bifacial power generation. Top manufacturers include Trina Solar, AIKO, Jinko Solar, Canadian Solar, and JA Solar.

Double GlassTempered glass on both sides
Long LifespanResistant to weather
Bifacial OptionIncreased yield from the rear side
N-Type TOPConCurrent generation
Top ManufacturersTrina, AIKO, Jinko

What is glass-glass?

With glass-glass modules, the solar cell is laminated between two tempered glass panes (typically 2.0 + 2.0 mm). The classic variant is glass-foil with only one glass pane and a plastic backsheet film. Glass-glass is significantly more robust but slightly heavier.

Advantages

Longer lifespan, higher weather resistance, less microcracking, better fire protection class, less degradation. Ideal for long-term installations over 25–30 years.

Bifacial variant

Some glass-glass modules are bifacial – they also generate electricity from the rear side through reflected light. Increased yield of 5–20% depending on mounting and substrate.

Frequently Asked Questions
Glass-glass or glass-foil – which is better?

Glass-glass: longer lifespan, more robust against weather and microcracks, often bifacial. Glass-foil: lighter, often cheaper. For long-term installations, we recommend glass-glass.

How much extra yield from bifacial modules?

5–20% depending on mounting, substrate (lighter substrate = more), and row spacing. Often more on flat roofs than on pitched roofs.

Are glass-glass modules heavier?

Yes, about 2–3 kg more than glass-foil modules of the same size. Consider this when designing the substructure.

Lifespan warranty?

Glass-glass modules often offer 30 years performance warranty and 15–25 years product warranty. See datasheet for exact values.

Which brands have glass-glass?

Trina Solar (Vertex S+), AIKO (Neostar), Jinko (Tiger Neo HL4M-DV), Canadian Solar (TOPHiKu6), JA Solar (JAM54D40 LB).

Delivery?

Freight forwarding with curbside delivery, appointment scheduled in advance.

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