Space saver, no clear weak spot
The HiDM (High Density Mono PERC) series from Canadian Solar stands out for its unique high-density cell packing of monocrystalline PERC cells, which uses nearly the entire surface of the module and minimizes losses from gaps between cells. This approach translates into a real increase in energy yield from the same roof area, making the HiDM series particularly attractive for installations with limited mounting space, where every available square meter counts. The panels feature better shading tolerance, meaning reduced sensitivity to partial shading from chimneys, antennas, or neighboring buildings - a common issue in urban and suburban installations. Thanks to lower internal current, the modules achieve a lower hot-spot temperature, which increases operational safety and reduces the risk of cell degradation under harsh conditions. The design minimizes the impact of micro-cracks on performance, and the reinforced frame withstands heavy snow and wind loads, which matters in regions with harsh climates. The HiDM series works well both for rooftop installations on single-family homes and for smaller commercial systems, where reliability and maximum use of available space are the priority.
Ranking
Signals from the data
Residential and commercial.
Top 2% of the PERC 300-350 W segment, against a median of 190.0. Ranked 11,593rd in the whole database.
Top 3% of the PERC 300-350 W segment, against a median of 19.00%. Ranked 11,389th in the whole database.
Top 11% of the PERC 300-350 W segment, against a median of 60.3.
The High Density Mono PERC design minimizes inter-cell gaps, delivering more energy from the same roof footprint than conventional PERC modules - a key advantage for space-constrained residential installations.
Lower internal cell current reduces hot-spot temperature and shading sensitivity, easing the impact of chimneys, antennas, or nearby structures - a common issue in urban and suburban installations.
Canadian Solar has operated since 2001 and consistently ranks as a Tier-1 bankable manufacturer, easing project financing and reducing long-term warranty-service risk.
The frame design supports operation in harsh climates with heavy snow or strong wind loads without increased risk of micro-crack-related degradation.
The 15-year product and 25-year power warranty match the established segment standard, providing investment predictability comparable to other Tier-1 series.
Efficiency of 19.4-20.5% trails comparable PERC series such as GCL-M10/54H (21.5%), RedSolar P series (21.52%), and Jinko JS-PERC (21.7%) by roughly 1-1.3 percentage points, meaning lower yield from the same roof area.
The HiDM series does not offer bifacial modules, which on suitable surfaces (light-colored roofs, snow) can add several extra percentage points of yield - an option present in newer competitor series.
Introduced in 2018, the series relies solely on PERC cells, while Canadian Solar itself is now ramping TOPCon production offering higher efficiency and lower degradation - HiDM risks becoming a secondary offering in the manufacturer's portfolio over time.
- Efficiency of 20.5% is 1.1pp above the PERC 0-400W median (19.4%)
- 204.6 W/m² power density - 10.4 W/m² more than PERC 0-400W median (194.2 W/m²), more power per roof area
- Temperature coefficient of -0.37%/°C matches the PERC 0-400W median
- Weight of 19.2 kg (1.3 kg below PERC 0-400W median of 20.5 kg) allows easier transport and roof mounting
- Ranked #11389 out of 14129 panels for efficiency in the database
Specifications
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
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About the HiDM series
These answers cover the whole series. Where a figure differs, the specification above is this module's own.