Efficiency leader, no clear weak spot
The Phono Solar Monocrystalline 60 series is designed for installations where high energy production on a limited roof area and stable performance in variable weather conditions are key. The use of PERC-type monocrystalline cells allows for better utilization of diffuse light, which, in the Polish context, translates to more predictable annual energy yields. Thanks to half-cut construction, the modules are less sensitive to losses caused by partial shading and have lower current loads, which supports long-term reliability.
In practice, this is a good solution for single-family homes, small businesses, and multi-family buildings, where aesthetics and easy adaptation to the roof layout are important. The series also features multi-busbar technology, which improves current collection from the cells and reduces the impact of microcracks. The entire system is complemented by robust mechanical resistance to wind and snow loads - which is essential for installation on roofs in different parts of Poland.
Ranking
Signals from the data
Residential, commercial and shaded-installations.
Top 1% of the N-type 350-400 W segment, against a median of 20.00%. Ranked 5,989th in the whole database.
Top 1% of the N-type 350-400 W segment, against a median of 200.4. Ranked 5,959th in the whole database.
Top 3% of the N-type 350-400 W segment, against a median of 62.0. Ranked 1,588th in the whole database.
The upper efficiency bound of 22.12% outperforms all listed peer comparables: Corab Encor EC360M-6-120FB (19.27%), Bisol Spectrum (18%), and Just Solar IBC Mono Module (21.3%). This represents a real advantage at the same 360 Wp maximum power, meaning less roof area is needed to reach the same system capacity.
Phono Solar has been continuously listed on the Bloomberg New Energy Finance Tier-1 list since 2014, confirming strong bankability required by banks and leasing companies financing PV installations. The manufacturer is backed by the Sumec/Sinomach Group, a Fortune 500-listed company.
Half-cut cells reduce power losses under partial shading and lower internal current loads, while multi-busbar interconnection improves current collection and minimizes the impact of microcracks on energy yield.
The use of N-type cells provides a lower LID (Light Induced Degradation) coefficient and a more favorable power temperature coefficient compared to the P-type cells used in many competing series from this era.
Phono Solar has been operating since 2004, giving it over 20 years of production history in a PV industry known for high brand turnover - a real indicator of the manufacturer's ability to honor long-term power warranties reaching 25 years.
The Monocrystalline 60 series was discontinued (end of production: 2021), meaning limited availability of identical replacement modules for expanding existing installations and potentially longer turnaround for warranty service claims.
The 15-year product warranty and 25-year linear power warranty reflect a market standard from several years ago, while current N-type/TOPCon series from Tier-1 manufacturers typically offer up to 25 years of product warranty and 30 years of power warranty.
The series lacks a bifacial option, ruling out additional energy gain from light reflected off the ground (particularly relevant for ground-mount installations or bright roofing surfaces) that is available in newer competing solutions.
- Efficiency of 22.1% is 2.6pp above the N-type 0-400W median (19.5%)
- At 221.3 W/m² power density, this panel generates 26.4 W/m² more per unit area than N-type 0-400W median (194.9 W/m²)
- Temperature coefficient of -0.29%/°C vs median -0.32%/°C means ~1% less power loss at 65°C
- Weight of 17.0 kg (5.0 kg below N-type 0-400W median of 22.0 kg) allows easier transport and roof mounting
- In the top 43% for efficiency among all N-type panels
Specifications
Datasheet charts
Measured curves published by Phono Solar in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 360 Wp appear here. The rest cover the whole series.
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
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