600W vs 700W Solar Panels β€” Which for Your Project?

600W and 700W solar panels are the dominant sizes for utility-scale projects in 2026. 600W fits 720 per container; 700W fits 612. Which makes sense for your project?

Metric600W Panels700W Panels
Typical Size2382Γ—1134mm2382Γ—1302mm
Weight32-34 kg37-39 kg
Pcs per 40HQ Container720 pcs612 pcs
kW per Container432-461 kW428-447 kW
Installation ComplexityStandardNeeds lifting equipment
Best TechnologyPERC/TOPConTOPCon Bifacial
Price ($/Wp)$0.09-0.12$0.10-0.14
Best ForMost utility/C&IPremium GW-scale
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Expert Verdict

600W panels are the current industry standard β€” optimal balance of power, weight, and installation cost. 700W makes sense for GW-scale projects with adequate lifting equipment and where land constraints favor higher power density. For C&I and medium utility, stick with 600W.

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JUST SOLAR supplies both 600W Panels and 700W Panels modules. Tell us your project β€” get expert advice in 15 minutes.

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