Middle of its segment, needs the roof space
The NeMo® 3.0 120 M Black Frame series is a monocrystalline PV module built for installations where both aesthetics and durability under demanding climate conditions matter. The panel stands out with its uniform, elegant look thanks to the black anodized aluminum frame, making it a particularly attractive choice for pitched roofs in residential construction, where the visual appearance of the system carries real weight. The cells used in the module rely on half-cut cell technology with 9 busbars, which reduces resistive losses, improves partial shading tolerance, and increases mechanical resilience. A key part of the manufacturing process is the proprietary thermal laser separation microCELL™ TLS method, which minimizes microcracks and ensures stable performance over the long term. The module has undergone rigorous testing for high snow and wind load resistance, making it a solid choice for both rooftop and ground-mounted installations in regions with variable weather conditions. Production takes place in Germany, partly powered by electricity from the manufacturer's own PV plants, underscoring its commitment to sustainability. It's a solution for investors seeking proven quality, a long product warranty, and a modern-looking installation.
Ranking
Signals from the data
Residential, commercial and shaded-installations.
Roofs where every square metre has to count, tight roof space and owners who want a long output guarantee.
Bottom 19% of the 275-475 W band, against a median of 211.3.
Bottom 19% of the 275-475 W band, against a median of 21.11%.
Bottom 20% of the 275-475 W band, against a median of 30 yrs.
The uniform black anodized aluminum frame and dark styling make the NeMo 3.0 120 M Black Frame series an attractive choice for pitched residential roofs, where the visual appearance of the installation matters to the investor.
The half-cut cell design with 9 busbars reduces resistive losses and improves partial-shading tolerance compared to full-size cells, while also increasing the module's mechanical resistance.
The thermal laser separation microCELL TLS process limits cell microcracks arising during manufacturing, contributing to more stable performance across the module's 25-year power warranty period.
Heckert Solar has manufactured in Germany since 1992, partly powering production lines with its own PV installations, which supports supply-chain auditability and quality assurance compared to offshore production.
The module has passed rigorous snow and wind load testing, making it suitable for both roof-mounted and ground-mounted installations in regions with variable, harsh weather conditions.
Efficiency of 19.8-20% is notably lower than comparable 380 Wp modules - VDS-S120/M6H (20.8%), GKA166M120 (20.85%) and Panasonic EverVolt (21.7%). This means a larger roof area is required to reach the same installed capacity.
The 15-year product and 25-year power warranty are typical for a series launched in 2019, while some newer tier-1 modules now offer 25-30 year product warranties - a factor worth weighing when comparing offers on price.
- At 19.8% efficiency, this panel is 2.0pp below the database median of 21.8%
- Power density of 197.6 W/m² is 20.5 W/m² below database median (218.1 W/m²) - needs more roof space
- -0.34%/°C temperature coefficient - 0.04pp worse than database median (-0.30%/°C), expect higher hot weather losses
- At 20.5 kg, this panel is 6.0 kg lighter than database median (26.5 kg) - easier handling during installation
- Ranked #12416 out of 14005 panels for efficiency in the database
Specifications
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
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