Warranty pick, heavy for its output
The KuDymond CS3K-P-AG is a polycrystalline module series from Canadian Solar built for projects where reliability under demanding climate conditions comes first. The modules rely on multi busbar (MBB) cell architecture, which reduces current losses at cell interconnections and limits the impact of micro-cracks on overall panel performance. As a result, the series maintains stable energy output even under partial shading or minor mechanical damage to individual cells. The design stands out for its high resistance to snow and wind loads, making it a solid choice for roofs exposed to harsh weather, including heavy winter snowfall. A low nominal module operating temperature (NMOT) combined with a favorable power temperature coefficient translates into better performance at high temperatures, which matters for installations in regions with intense summer sun. A high PTC rating confirms the module's real-world energy yield, not just laboratory-tested efficiency. The KuDymond CS3K-P-AG series works well for both rooftop and ground-mounted installations where investors expect long-term production stability and a predictable return on investment, backed by an extended linear power output warranty and a solid materials and workmanship warranty.
Ranking
Signals from the data
Residential, commercial and cold-climate.
Weight-limited structures.
Top 20% of the PERC 250-300 W segment, against a median of 25 yrs.
Top 22% of the PERC 250-300 W segment, against a median of 17.21%.
Top 22% of the PERC 250-300 W segment, against a median of 172.1.
Bottom 6% of the PERC 250-300 W segment, against a median of 66.5. Ranked 13,640th in the whole database.
Canadian Solar has been operating since 2001 and holds bankable Tier-1 status, providing high financial credibility and reduced risk for investors financing ground-mount installations.
The series offers a 30-year linear power degradation warranty, matching the best market offerings and exceeding the standard 25-year warranties typical of most polycrystalline modules from this era.
MBB technology reduces resistive losses at cell interconnections and lessens the impact of microcracks on module output, resulting in more stable energy production under partial shading.
The module withstands snow loads up to 6000 Pa and wind loads up to 4000 Pa, making it a solid choice for roofs in regions with heavy snowfall and strong winds.
A Pmax temperature coefficient of -0.36%/°C ensures a relatively smaller power loss at high module operating temperatures, which matters for installations on sun-exposed roofs in summer.
The KuDymond CS3K-P-AG series (released in 2019) has been discontinued, meaning limited availability of identical replacement modules for system expansions and more difficult access to warranty service.
Maximum efficiency of 19.9% is comparable to the competing Waaree ARKA series (19.81%) but clearly trails newer monocrystalline modules such as JA Solar Monocrystalline80 (23.15% at the same 330 Wp power), meaning more roof area is needed for equivalent output.
The module relies solely on polycrystalline PERC cells with no bifacial option, while the current Tier-1 market (2025-2026) has shifted toward n-type TOPCon and HJT technologies offering higher efficiency and lower LID degradation.
- Module efficiency of 17.8% is 1.6pp below average for PERC 0-400W panels (median: 19.4%)
- At 177.5 W/m², this panel generates 16.9 W/m² less per unit area than PERC 0-400W median (194.4 W/m²)
- At -0.36%/°C, hot weather performance is typical for PERC 0-400W panels
- At 22.5 kg (2.0 kg above PERC 0-400W median of 20.5 kg), requires checking roof load capacity
- In the top 95% for efficiency among all PERC panels
Specifications
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
Found 134 panels of the same or similar size to this one, within ±10 mm. See them here Found 231 panels of the same or similar size to this one, within ±25 mm. See them here Found 442 panels of the same or similar size to this one, within ±50 mm. See them here Found 724 panels of the same or similar size to this one, within ±100 mm. See them here