Light for its output, weak in heat
The Renesola 156M Split Cell series, with 300W-330W power output, is designed for stable operation in typical Polish rooftop conditions, where predictable energy yield is crucial, even with partial shading, dirt accumulation, and varying weather. The use of the split cell (half-cut) architecture minimizes internal losses and improves the module's performance under uneven sunlight, resulting in a more consistent energy production throughout the day. The modules utilize monocrystalline silicon cells, and the design focuses on high resistance to microcracks and long-term operational loads. This makes it an ideal choice for residential homes, small businesses, and the modernization of existing systems where dimensional compatibility and reliable performance are important. Another key advantage is excellent performance in low light conditions, allowing the modules to effectively utilize early morning and late afternoon sunlight. This is a cost-effective option for investors who want to minimize energy yield losses without paying a premium for high-end solutions.
Ranking
Signals from the data
Residential and shaded-installations.
Hot climates.
Top 14% of the TOPCon 300-350 W segment, against a median of 82.1.
Top 22% of the TOPCon 300-350 W segment, against a median of 150.1.
Top 24% of the TOPCon 300-350 W segment, against a median of 15.01%.
Bottom 5% of the TOPCon 300-350 W segment, against a median of -0.300. Ranked 10,419th in the whole database.
Renesola provides 30 years of warranty coverage for both manufacturing defects and power output degradation - substantially longer than the standard 25-year power warranty offered by most tier-1 manufacturers, including several peer comparables in this segment.
Dividing cells into halves reduces resistive losses and improves module behavior under partial shading, resulting in more consistent energy production throughout the day - particularly relevant for the non-standard roof geometries common in Poland.
The module design allows more efficient use of morning and afternoon production windows under low irradiance, increasing real annual yield compared to models optimized solely for peak sunlight conditions.
Construction features limit the risk of microcrack formation and propagation under operational loads (snow, wind), directly supporting installation durability in variable climate conditions.
Renesola has operated since 2005 and is listed as a bankable tier-1 manufacturer, easing project financing and reducing investor risk despite this specific series being discontinued.
The 156M Split Cell 300W-330W series is out of production (released 2018, ended 2021), meaning limited availability of identical modules for replacement and potential difficulty matching specifications when expanding an existing installation.
Efficiency of 15.46-17.01% is notably lower than comparable 330 W-class modules - JA Solar Monocrystalline80 reaches 23.15% and Waaree ARKA SERIES reaches 19.81%. This means more roof area is needed to achieve the same installed capacity.
Introduced in 2018, the series relies on cell architecture predating the commercial maturity of newer designs now used by leading tier-1 manufacturers, resulting in a lower power-to-area ratio compared to current modules in the same price class.
- 17.0% module efficiency - 1.0pp better than the TOPCon 0-400W median of 16.0%
- At 170.1 W/m² power density, this panel generates 10.3 W/m² more per unit area than TOPCon 0-400W median (159.8 W/m²)
- -0.35%/°C temperature coefficient - 0.06pp worse than TOPCon 0-400W median (-0.29%/°C), expect higher hot weather losses
- 20.4 kg weight - 3.1 kg lighter than TOPCon 0-400W median (23.5 kg), reducing installation effort
- #13445 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.
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