600W vs 700W Solar Panels — 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?
| Metric | 600W Panels | 700W Panels |
|---|---|---|
| Typical Size | 2382×1134mm | 2382×1302mm |
| Weight | 32-34 kg | 37-39 kg |
| Pcs per 40HQ Container | 720 pcs | 612 pcs |
| kW per Container | 432-461 kW | 428-447 kW |
| Installation Complexity | Standard | Needs lifting equipment |
| Best Technology | PERC/TOPCon | TOPCon Bifacial |
| Positioning | Workhorse utility | Premium GW-scale |
| Best For | Most utility/C&I | Premium GW-scale |
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Expert Verdict
600W panels are the current industry standard — 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.
Want a specific quote?
JUST SOLAR main lineup is TOPCon + HJT (100W – 740W), with BC full-black as a premium residential option, plus LONGi Tier-1 Hi-MO via our authorised-distributor relationship. Tell us your project (600W Panels vs 700W Panels) — Frank will email a formal Proforma Invoice within 24 hours.
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