Space saver, no clear weak spot
The JA Solar JAT60S41 LR series was designed for maximum yield from the same roof or ground surface area - these are high-efficiency modules based on N-type cells in TOPCon architecture. In practice, this means better performance at high temperatures and more predictable yields during the summer season, when many installations lose power. The cell-bonded construction improves panel performance under partial shading (e.g., chimneys, antennas, trees), making power drops less impactful for the entire string. Additionally, TOPCon helps minimize typical degradation phenomena, translating to more stable long-term production and quieter installation operation. This is an excellent choice for investors who want more power from fewer modules - whether in modern home micro-installations or commercial projects, where every square meter counts, and performance under variable weather conditions is key.
Ranking
Signals from the data
Residential, commercial, shaded-installations and hot-climate.
Top 5% of the N-type 500-550 W segment, against a median of 225.3. Ranked 351st in the whole database.
Top 5% of the N-type 500-550 W segment, against a median of 22.54%. Ranked 351st in the whole database.
Top 6% of the N-type 500-550 W segment, against a median of 50.0. Ranked 433rd in the whole database.
Peak module efficiency of 23.9% matches the Huasun Everest G12R (23.9%) and outperforms both the Lu'an Solar MO series (22.32%) and Gamko GKA108N-PRO (23.85%). Higher efficiency translates directly to more kWp per unit of roof or ground area without increasing module count.
N-type TOPCon cells exhibit LID below 1% in year one and linear degradation ≤0.4%/yr, lower than typical PERC modules (~0.55%/yr). This guarantees retention of ≥87.4% of rated power output after 30 years of operation.
The half-cut cell architecture limits current mismatch losses under partial shading (chimneys, antennas, trees) and prevents full string shutdown. Six power variants (505–530 Wp) simplify array-level design optimization without respecifying MPPT trackers.
JA Solar guarantees ≥87.4% of rated power after 30 years at ≤0.4%/yr linear degradation, backed by a 25-year product warranty. The market standard for PERC modules is typically a 25-year linear and 10–15-year product warranty; the extended terms improve LCOE modeling for commercial and C&I projects.
JA Solar (est. 2005) holds BNEF Tier-1 bankable manufacturer status (methodology updated March 2026) and belongs to the group of global producers exceeding 80 GW/yr of module capacity. This underpins non-recourse project financing eligibility and ensures long-term replacement module availability throughout the warranty horizon.
The JAT60S41 LR series does not include a bifacial variant (is_bifacial: false). For ground-mount installations with high-albedo surfaces (albedo >20%), bifacial modules can yield 5–15% additional annual energy gain. Projects requiring bifacial output must be respecified using a separate JA Solar series (e.g., JAM60D41 LR dual-glass bifacial).
- 23.9% module efficiency - 1.4pp better than the N-type 500-550W median of 22.5%
- At 239.3 W/m² power density, this panel generates 14.0 W/m² more per unit area than N-type 500-550W median (225.3 W/m²)
- -0.26%/°C temperature coefficient (median: -0.29%/°C) - retains ~1% more power at high temperatures
- Weight of 23.5 kg (2.7 kg below N-type 500-550W median of 26.2 kg) allows easier transport and roof mounting
- #351 for efficiency, #511 for temperature performance out of 14005 panels
Specifications
Datasheet charts
Measured curves published by JA Solar in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 530 Wp appear here. The rest cover the whole series.
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
Found 488 panels of the same or similar size to this one, within ±10 mm. See them here Found 507 panels of the same or similar size to this one, within ±25 mm. See them here Found 1260 panels of the same or similar size to this one, within ±50 mm. See them here Found 1469 panels of the same or similar size to this one, within ±100 mm. See them here