Middle of its segment, weak in heat
Photovoltaic panels from the Lina Energy LEPV 120 Nexa TOPCon series are an advanced solution based on N-type cells, which set a new standard of efficiency in residential and commercial installations. The use of innovative TOPCon technology allows for a significant reduction in energy losses and minimization of light-induced degradation. As a result, users gain higher efficiency in low-light conditions, which is crucial in the Polish climate, especially on cloudy days or during autumn-winter periods. This series effectively solves the problem of power drop at high temperatures, offering an excellent temperature coefficient, which translates into stable system operation throughout the year. LEPV 120 Nexa modules are characterized by exceptional mechanical durability and an aesthetic finish, making them an ideal choice for demanding investors who care about the appearance of their roof. They stand out from the competition through a precise combination of dense cell packing and optimal current flow management, which minimizes the risk of micro-cracks. It is an investment that ensures maximum energy yield from a smaller area, dedicated to those seeking uncompromising quality and longevity for their solar power plant.
Ranking
Signals from the data
Residential, commercial and shaded-installations.
Hot climates.
Bottom 1% of the TOPCon 450-500 W segment, against a median of -0.290. Ranked 12,345th in the whole database.
TOPCon technology reduces LID degradation and improves low-light and high-temperature performance compared to older PERC cells, translating into higher real-world annual energy yield in Poland's climate.
The module generates additional energy from its rear side, so mounting over a light-colored or reflective surface (e.g., a white roof or gravel) delivers a real yield boost beyond the rated nameplate power.
The linear power warranty extends to 30 years (with a 25-year product warranty), exceeding the segment's typical 25/25-year standard and implying a longer period of guaranteed stable energy output.
Efficiency of 21.95-22.18% places the series close to segment leaders (Sunket at 22.24%, Shinson at 22.24%) and well above thin-film modules such as First Solar's Series 6 Plus Bifacial (19%).
Up to 480 Wp from a 120-cell module means more energy from less roof area, reducing the number of panels needed in installations with limited mounting space.
The LEPV 120 Nexa TOPCon series has been discontinued, meaning limited availability of spare parts and potential difficulties with future service and warranty claim fulfillment.
Lina Energy has only been active since 2017, and production of this specific series has ended - given the stated 30-year power warranty, this raises questions about the manufacturer's ability to support service claims over such a long horizon.
- Efficiency of 22.2% matches the TOPCon 450-500W median
- Power density of 221.7 W/m² is 3.5 W/m² below TOPCon 450-500W median (225.2 W/m²) - needs more roof space
- -0.36%/°C temperature coefficient - 0.07pp worse than TOPCon 450-500W median (-0.29%/°C), expect higher hot weather losses
- Weight of 25.9 kg is 1.9 kg above TOPCon 450-500W median (24.0 kg) - verify structural support
- Bifaciality factor of 10% can add 0-2% extra yield with reflective mounting surface
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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