Middle of its segment, weak in heat
The PS-P72-(330-345W) series comprises polycrystalline photovoltaic modules engineered to endure demanding operating conditions over decades of service. The panels are built around 72 grade-A polycrystalline cells arranged in a 12x6 layout, manufactured on fully robotic production lines with electroluminescence quality control that ensures consistent parameters across every unit. The modules are resistant to PID degradation thanks to PID-free EVA encapsulant, while the sturdy anodized aluminum frame and anti-reflective coated tempered glass deliver high resistance to mechanical loads, wind, and snow. The manufacturer also highlights resistance to salt mist and ammonia, making this series a solid choice for coastal installations and agricultural sites, where aggressive environments quickly wear down cheaper panels. Another advantage is excellent low-light performance, useful in regions with variable cloud cover. The series is backed by a 25-year linear power warranty with annual degradation of just -0.7%, giving investors a predictable return on their installation. It's a solution for installers seeking a proven, bankable product for residential, commercial, and industrial applications, including both on-grid and off-grid systems.
Ranking
Signals from the data
Residential and commercial.
Hot climates, roofs where every square metre has to count and tight roof space.
Bottom 5% of the 240-440 W band, against a median of -0.340. Ranked 13,798th in the whole database.
Bottom 11% of the 240-440 W band, against a median of 204.8.
Bottom 11% of the 240-440 W band, against a median of 20.50%.
The use of PID-free EVA encapsulant minimizes power loss from potential-induced degradation, which matters in large arrays with high DC system voltage.
The construction is rated for aggressive environments, making the series a solid fit for coastal installations and agricultural sites (e.g., near livestock farms) where cheaper modules suffer faster frame corrosion and laminate degradation.
The 25-year linear power warranty with an annual degradation of just -0.7% beats the standard -0.8% typical of comparable polycrystalline series from that era, resulting in higher cumulative energy yield over the module's lifetime.
Philadelphia Solar, operating since 2007, is listed as a Tier-1 manufacturer by BloombergNEF, confirming that its modules have been financed by at least six different non-recourse banks - a key factor for bankability in commercial and industrial projects.
Cell design optimized for diffuse light conditions keeps output relatively stable in regions with heavy cloud cover, such as Central European climates.
The PS-P72-(330-345W) series, released in 2018, has been discontinued from the manufacturer's current lineup. This means limited availability of identical replacement modules in case of failure and potential difficulties with warranty servicing over the long term.
Efficiency of 16.9-17.7% is roughly 3 percentage points lower than comparable mono PERC/half-cut modules in this power segment, such as Canadian Solar HiDM (20.5%), Jinko Cheetah HC 60M-V (20.45%), or Solar N Plus AP1 (20.45%). For the same power output, the panel requires significantly more roof or ground area.
- Module efficiency of 17.5% is 4.3pp below average for database panels (median: 21.8%)
- At 174.5 W/m², this panel generates 43.6 W/m² less per unit area than database median (218.1 W/m²)
- Temperature coefficient of -0.40%/°C is 0.10pp worse than database median (-0.30%/°C) - higher losses in summer heat
- At 21.0 kg, this panel is 5.5 kg lighter than database median (26.5 kg) - easier handling during installation
- #13454 for efficiency, #13798 for temperature performance out of 14129 panels
Specifications
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
Found 27 panels of the same or similar size to this one, within ±10 mm. See them here Found 260 panels of the same or similar size to this one, within ±25 mm. See them here Found 451 panels of the same or similar size to this one, within ±50 mm. See them here Found 557 panels of the same or similar size to this one, within ±100 mm. See them here
About the PS-P72-(330-345W) series
These answers cover the whole series. Where a figure differs, the specification above is this module's own.