Space saver, short guarantee
PHENex is Philadelphia Solar's bifacial module series, engineered to maximize energy yield from every square meter of roof or ground-mounted project. At the heart of the series are half-cut monocrystalline PERC cells, which reduce resistive losses through cell segmentation and improve performance under partial shading - a real-world issue for rooftop installations where a chimney or antenna can drag down output across an entire string. The bifacial technology captures additional irradiance reflected from the ground surface, a feature particularly valued by developers building PV farms on light-colored soil or gravel. The modules use a 10-busbar layout, ensuring even current distribution and higher long-term connection reliability. The PHENex design also stands out for its high mechanical resistance to snow and wind loads, making it a solid choice for both commercial rooftops and large utility-scale projects in demanding climates. The PHENex series suits investors looking for a balance between low LCOE and long-term energy production stability, backed by the manufacturer's extended warranty.
Ranking
Signals from the data
Utility-scale, commercial and shaded-installations.
Owners who want a long output guarantee.
Top 10% of the PERC 500-550 W segment, against a median of 209.0. Ranked 9,248th in the whole database.
Top 20% of the PERC 500-550 W segment, against a median of 20.90%.
Bottom 23% of the PERC 500-550 W segment, against a median of 30 yrs.
The use of half-cut monocrystalline PERC cells in a 10-busbar layout reduces resistive losses and improves module behavior under partial shading (e.g., chimneys, antennas), resulting in higher and more stable energy yield in typical rooftop installations.
Per Philadelphia Solar's datasheet, PHENex modules deliver an additional bifacial gain of up to 65%, making them attractive for ground-mount PV farms built on high-albedo surfaces such as light soil, gravel, or reflective membranes.
The module withstands front loads of up to 5400 Pa and rear loads of up to 2400 Pa, exceeding typical segment specs and making the series well suited for utility-scale projects in regions with heavy snow and wind loads.
Philadelphia Solar has operated since 2007 and holds BNEF Tier-1 bankable status, easing project financing through commercial banks and reducing investor risk when choosing the PHENex series.
The top-bin variant reaches 21.5% efficiency, matching the best comparable PERC/half-cut modules such as JA Solar DEEP BLUE 3.0 (21.5%) and outperforming ET Solar Elite PLUS (21.4%) and Boviet VEGA (21.3%) at the same 555 Wp maximum power.
The weakest bin within the 4-variant PHENex lineup reaches only 20.9% efficiency, below comparable competitor models (ET Solar 21.4%, Boviet 21.3%, JA Solar 21.5%) at the same 555 Wp maximum power - selecting a lower bin gives up part of the series' technological edge.
- At 21.1% efficiency, this panel is on par with typical PERC 500-550W modules
- Power density of 211.2 W/m² matches the PERC 500-550W median
- Temperature coefficient of -0.35%/°C matches the PERC 500-550W median
- Bifacial design (65% factor) captures reflected light - adds 3-10% yield on ground-mount or white roof
- #9297 for efficiency, #10419 for temperature performance out of 14005 panels
Specifications
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.
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