Metro Manila, Philippines - When considering a solar power system for your home, a common question is whether the size or the wattage of the panel matters. Most people would assume that higher wattage solar panels will produce more power, when in fact it means more roof real estate is required.
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Solar Panel Wattage and Energy Density: The Key Metric
There is a growing trend among especially Chinese solar panel manufacturers to produce very large solar panels which automatically have a higher wattage due to having more cells.
While it may seem intuitive to assume that larger solar panels automatically equate to higher efficiency and quality, the reality is far more nuanced. Solar panel energy density, which measures the power output per unit area, is a critical factor in determining the efficiency and quality of solar panels.
Energy density reflects how much electricity a solar panel can generate relative to its size. A higher energy density means that a solar panel can produce more power in a given area, making it more efficient and cost-effective. However, simply enlarging the physical size of a solar panel does not guarantee an increase in energy density.
SOLAR PANEL | PANEL SIZE | WATTAGE | ENERGY DENSITY |
PHILERGY German Solar (Sonnex) | <2sqm | 445 | 227 watts per sqm |
Jinko Tiger | >2.5sqm | 560 | 216 watts per sqm |
LVTOPSON | >2.5sqm | 550 | 215 watts per sqm |
JA Solar | >2.5sqm | 550 | 212 watts per sqm |
AE | >2sqm | 500 | 210 watts per sqm |
Sunpower | >2sqm | 540 | 207 watts per sqm |
Trina Vertex | >2sqm | 500 | 204 watts per sqm |
REC | <2sqm | 370 | 202 watts per sqm |
Beyond Physical Size: Reliability and Longevity
Efficiency and quality are determined by various factors beyond sheer size. The type of solar cells used, their conversion efficiency, the materials and manufacturing processes employed, and the overall design of the panel all play crucial roles.
Moreover, the reliability and longevity of a solar panel are equally important factors in assessing its quality. A larger panel may not necessarily be engineered to withstand environmental stressors such as temperature variations, humidity, or physical impacts, which can affect its performance and durability over time.
Therefore, when choosing between solar panels, it's essential to consider not only their physical size but also their energy density, efficiency, quality of materials and construction, and long-term performance. A smaller panel with higher energy density and superior quality may ultimately outperform a larger panel in terms of overall power generation and return on investment.
The PHILERGY German Solar Advantage
PHILERGY’s solar panel takes the market-wide lead in efficiency, warranty, and performance durability with having up to 90% of its rated power under warranty even after 25 years!
CONTACT US FOR FREE SOLAR CONSULTATION!
PHONE: (02) 8638 8277
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EMAIL: service@philergy.com
Highest Quality and Highest Rated Solar Company in the Philippines
PHILERGY German Solar Philippines is your reliable solar energy installer, solar power system, and solar panel supplier in the Philippines with highest-quality solar equipment combined with experienced German Solar engineering. All installations come with up to 30 years warranty for homes and businesses, and options for flexible solar financing without collateral and additional fees. We are the nation’s top solar company with headquarters, office, and showroom in Manila, Philippines with German management and German head solar engineers setting top-of-the-line solar standards.
All our solar energy systems are customized according to every client's needs via free expert solar consultation and professional onsite analysis and are installed by trained teams that are headed by at least 1 German engineer with over 20 years of solar experience.
Our promise of delivering the highest quality German products and German engineering for the Filipino people includes worry-free net metering service.
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