Summary: This article explores the dimensions, efficiency, and real-world applications of 340Wp photovoltaic panels. Learn how their size impacts solar energy projects for residential, commercial, and industrial use, with actionable insights and data-driven comparisons.
What Makes 340Wp Solar Panels a Popular Choice?
With the global solar market projected to grow at 6.5% CAGR through 2030, mid-power panels like 340Wp units strike a balance between space efficiency and energy output. These panels typically measure around 1.9m x 1.0m – roughly the size of a standard door – making them versatile for rooftop installations.
"A 340Wp panel can power a refrigerator for 8 hours daily – that''s the equivalent of saving 180kg of CO2 emissions monthly."
Key Specifications Comparison
| Parameter | 340Wp Panel | 300Wp Panel | 400Wp Panel |
|---|---|---|---|
| Dimensions (L×W) | 1956×992mm | 1875×982mm | 2172×1303mm |
| Efficiency | 19.2% | 17.8% | 21.1% |
| Roof Space Needed for 5kW System | 28-30m² | 32-35m² | 24-26m² |
Practical Applications Across Industries
- Residential Rooftops: 10-15 panels can power a 3-bedroom home
- Agricultural Use: Water pumping systems requiring 3-5kW capacity
- Commercial Buildings: Parking lot canopies with 50-100 panel arrays
Consider this: The average U.S. household uses 10,632 kWh annually. A 340Wp system covering 60m² roof space could meet 80-90% of this demand in sunny regions. Not bad for panels that occupy less space than a compact car!
Installation Pro Tips
- Allow 15-20cm clearance between rows for maintenance
- Use tilt angles matching your latitude ±10°
- Combine with micro-inverters for shaded areas
Did You Know? Modern 340Wp panels use PERC (Passivated Emitter Rear Cell) technology, boosting low-light performance by up to 3% compared to traditional models.
Why Choose 340Wp Panels Over Other Options?
While 400W+ panels dominate headlines, 340Wp models offer three distinct advantages:
- Easier handling (22-24kg vs. 28-32kg for high-wattage panels)
- Better compatibility with older racking systems
- Reduced voltage drop in long string configurations
As solar installer Mike Chen from Arizona notes: "For retrofit projects with space constraints, 340W panels often provide the best watt-per-dollar ratio. Their size fits most existing mounts without structural upgrades."
Frequently Asked Questions
How many 340Wp panels do I need for a 5kW system?
Typically 15 panels (15 × 340W = 5.1kW), accounting for 14-16% system losses.
Can these panels withstand harsh weather?
Most 340Wp models carry 25-year performance warranties and can endure 2400Pa snow loads – equivalent to 4 feet of wet snow.
Partner with Solar Energy Experts
As a leading renewable energy solutions provider since 2007, we specialize in customized photovoltaic systems that integrate seamlessly with:
- Residential energy storage
- Commercial peak shaving
- Industrial microgrids
Contact Our Team: 📞 WhatsApp: +86 138 1658 3346 📧 Email: [email protected]
Final Thought: While panel size matters, system design matters more. A well-configured 340Wp array often outperforms higher-wattage panels in real-world conditions through smart component matching and proper installation.
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