TONGWEI Solar TWMND-72HD575 is a high-efficiency n-type bifacial photovoltaic module with a double-glass construction, designed for high performance and minimal degradation over time. Thanks to its half-cell technology and high bifaciality, the panel offers lower losses, better performance at high temperatures and increased energy yield.

The module is an excellent choice for commercial, industrial and utility-scale projects where reliability, low LCOE and long-term efficiency are essential.

• Power: 575 Wp
• Technology: N-type bifacial, half-cell, double glass
• Efficiency: 22.3%
• Dimensions: 2278 × 1134 × 30 mm
• System voltage: 1500 V DC
• Warranty: 12-year product warranty / 30-year linear power warranty

N-type • Bifacial • Double Glass
Model: TWMND-72HD575

Manufacturer: TONGWEI Solar
Series: TWMND N-type Half-cell Bifacial Module (72)
Module type: N-type bifacial photovoltaic panel with double-glass construction
Rated power: 575 Wp

• High efficiency of up to 22.3%
• Bifacial technology for increased energy yield
• Low degradation and a 30-year linear power warranty

Temperature Coefficients

• Pmax: ?0.28%/}C
• Voc: ?0.24%/}C
• Isc: +0.046%/}C
• NMOT: 45 ± 2}C

Bifacial Technology

Type: Bifacial (generation from both sides)

Bifaciality coefficients:

• Pmax: 80 ± 5%
• Voc: 98 ± 5%
• Isc: 80 ± 5%

Additional energy yield: up to +25% under optimal conditions.

Suitable for:

• Industrial and commercial rooftops
• Ground-mounted solar farms
• Utility-scale PV projects
• Systems with highly reflective surfaces

Construction and Mechanical Parameters

• Cell technology: TNC (N-type monocrystalline cell)
• Cell configuration: 144 (6 × 24) half-cut cells
• Dimensions (L × W × H): 2278 × 1134 × 30 mm
• Weight: 31.5 kg
• Front glass: 2.0 mm AR-coated heat-strengthened glass
• Rear glass: 2.0 mm heat-strengthened glass
• Frame: Anodised aluminium profile
• Junction box: IP68, 3 bypass diodes
• Cables: 4.0 mm²
• Connectors: Tongwei / Stäubli MC4 EVO2 / Jinko compatible

Reliability and Durability

• Maximum system voltage: 1500 V DC
• Maximum fuse rating: 30 A
• Operating temperature: ?40}C to +70}C

Mechanical load:

• Wind: 2400 Pa
• Snow: 5400 Pa

Fire rating: Class C

Excellent resistance to:

• PID
• Salt mist
• Ammonia
• Dust and harsh weather conditions

Warranties and Certifications

• Product warranty: 12 years
• Linear power warranty: 30 years

Degradation:

• ?1% in the first year
• ?0.4% annually thereafter
• ?87.4% power output after 30 years

Certifications:
IEC 61215 / IEC 61730
ISO 9001 / 14001 / 45001 / 50001
CE