Tenka Solar Orion VIIs | Bi-facial Silver Frame

Item number: 1304014000
Tenka Solar Orion VIIs Bi-Facial Silver Frame: With up to 635 watts of power and 23.51 % efficiency, this bi-facial module uses the rear side to generate energy. The glass-glass construction ensures durability. It offers a 30-year product and performance guarantee.
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Solar module Tenka Solar Orion VIIs Silver Frame - Highest efficiency thanks to advanced bi-facial technology
The Tenka Solar Orion VIIs Silver Frame solar module is characterized by exceptional efficiency and high reliability. With a module efficiency of 22.95 % to 23.51 % and a peak output of between 620 and 635 watts, this monocrystalline N-type TOPCon module offers optimum yields, even in confined spaces. Thanks to its advanced Nanotech Coating technology, light absorption is noticeably improved, resulting in excellent performance even in poor lighting conditions.

Increased performance thanks to bi-facial design

The innovative bi-facial technology makes it possible to use the back of the module effectively to generate energy in addition to the front. Depending on the installation, this leads to an increase in performance of up to 25 %. The silver frame and the stable glass-glass construction (2 mm glass on both the front and rear) ensure maximum durability and reliability.

Optimized long-term performance

The Orion VIIs Silver Frame module impresses in the long term with its particularly low degradation rate. This characteristic ensures constant performance over decades, reduces maintenance costs and sustainably increases the cost-effectiveness of every installation. The comprehensive 30-year product and performance guarantee also offers additional security and makes this module the ideal choice for long-term energy projects.

Highest efficiency for maximum efficiency

With an efficiency of up to 23.51 %, the Tenka Orion VIIs module is one of the most efficient modules on the market. This outstanding performance is the result of the optimum combination of N-type TOPCon cells and Nanotech coating technology. Especially in installations where the available area is limited, the module reliably delivers high energy yields and thus enables economical and sustainable solar projects.

Innovative cell technology and robustness

The modern monocrystalline cell technology of the Tenka Orion VIIs module guarantees stable energy production in a wide range of light conditions. This advanced technology ensures long-term and reliable performance. In addition, the module's robust construction withstands mechanical loads of up to 5,400 Pa and is certified to IEC 61215 and IEC 61730, making it perfect for demanding installations, especially in areas with extreme weather conditions.

Performance

23.51% module efficiency and 635W peak power for maximum performance

Hail protection class

Hail protection class 4 guarantees protection against hailstones up to 45 mm

Nanotech Coating

The patented Tenka Nanotech technology ensures improved light absorption

Longevity

Low degradation ensures optimized long-term performance

Product guarantee

30-year product guarantee ensures maximum investment security

Performance guarantee

30-year performance guarantee on 87.4 % output guarantees maximum investment security

Tenka Solar Orion VIIs | Bi-facial Silver Frame- Technical specifications

Tenka Solar Orion VIIs | Bi-facial Silver Frame - Information and technical data at a glance
The Tenka Orion VIIs Bi-facial Silver Frame module combines high efficiency with advanced technology. With an efficiency of up to 23.51 % and an output of up to 635 watts, it offers maximum energy yield for every installation.
Tenka Solar Orion VIIs | Bi-facial Silver Frame- Technical data
Module type
Orion VIIs - 620
Orion VIIs - 625
Orion VIIs - 630
Orion VIIs - 635
Cell type
N-Type, TOPCon, mono-crystalline 182 mm, Tenka Nanotech coating*
Number of cells
132
Dimensions
2382 x 1134 x 35 mm (±2mm)
Weight
33.0 kg
Front page
2 mm tempered glass, highly transparent anti-reflective coating
Back
2 mm tempered glass, highly transparent anti-reflective coating
Frame
Anodized aluminium alloy, silver
Performance
Orion VIIs - 620
Orion VIIs - 625
Orion VIIs - 630
Orion VIIs - 635
Max. PV generator output
STC
NMOT
STC
NMOT
STC
NMOT
STC
NMOT
Maximum power (Pmax)
620Wp
474Wp
625Wp
478Wp
630Wp
482Wp
635Wp
486Wp
Maximum power Voltage (Vmp)
41,20V
38,70V
41,40V
38,90V
41,60V
39,10V
41,80V
39,30V
Maximum power Current (Imp)
15,05A
12,25A
15,10A
12,29A
15,15A
12,33A
15,20A
12,37A
Open circuit voltage (Voc)
49,60V
47,10V
49,90V
47,40V
50,20V
47,70V
50,50V
48,00V
Short-circuit current (Isc)
15,90A
12,82A
15,92A
12,84A
15,84A
12,86A
15,96A
12,88A
Module efficiency (%)
22,95 %
23,14 %
23,32 %
23,51 %
Temperature coefficients
Orion VIIs - 620
Orion VIIs - 625
Orion VIIs - 630
Orion VIIs - 635
Operating temperature (°C)
-40°C~+85°C
Temperature coefficient Pmax
-0,29 %/°C
Temperature coefficient Voc
-0.25%/°C
Temperature coefficient Isc
0,045%/°C
Nominal operating temperature of the cell (NOCT)
45±2 °C
Tension
Orion VIIs - 620
Orion VIIs - 625
Orion VIIs - 630
Orion VIIs - 635
Maximum system voltage
1500 V
Maximum series protection
35 A
General
Orion VIIs - 620
Orion VIIs - 625
Orion VIIs - 630
Orion VIIs - 635
Junction box
Protection class lP68
Output cable
TÜV 1 x 4.0 mm2 / UL 12AWG, length 1400 mm
Resistance to mechanical loads
5,400 Pa acc. IEC 61215-1-2
Zerfikate und Zulassungen
IEC61215, IEC61730
Bi-facial rear power boost
Orion VIIs - 620
Orion VIIs - 625
Orion VIIs - 630
Orion VIIs - 635
5 %
651Wp
656Wp
662Wp
667Wp
15 %
716Wp
719Wp
725Wp
730Wp
25 %
775Wp
781Wp
788Wp
794Wp

* By applying the Tenka Nanotech layer, 15/20 watts more power is generated compared to the standard cell.
(1) Measurement tolerances: Pmax (± 3%). Isc & Voc (± 3%) - Module type 0/+5W
(2) STC (standard test condition): Transmittance 1000 W/m2. Cell temperature 25°C. BIN 1.5
(3) NMOT (nominal temperature of the operating module): Passage 800 W/m2. NMOT. Ambient temperature 20°C. BIN 1.5. wind speed 1m/s
Errors and omissions excepted. Illustrations may vary

Tenka Solar Orion VIIs | Bi-facial Silver Frame- Shipping and use
Tenka Solar Orion VIIs | Bi-facial Silver Frame - Information on packaging and shipping:
Standard packaging (pallet)
36 pieces / pallet
Module quantity per 40' container
720 pieces
Pallets per container
20
Tenka Solar Orion VIIs | Bi-facial Silver Frame - suitable for the following applications:
Home applications
Commercial / industrial applications
Utility Scale Projects 

Tenka Solar Orion VIIs | Bi-facial Silver Frame - Downloads

Tenka Solar Orion VIIs | Bi-facial Silver Frame - All important documents and resources with one click!
In our download area you will find all relevant information about our products. Download data sheets, operating instructions and certificates to find out all the technical details and possible applications. You will also find all information on warranty and insurance as well as all technical specifications.

Downloads

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    Tenka Solar Orion VIIs | Bi-facial Silver Frame
    Technology: HC-Mono, N-Type, TOPCon, Nanotech Coating
    Performance: 620/625/630/635 Watt
    efficiency: 22,95-23,51 %
    Cells: 132 (6*22)
    Bifacial: Yes, dual glass
    Frame color: silver
    Front side: 2 mm glass
    Reverse side: 2 mm glass
    Dimensions: 2382*1134*30 mm
    Guarantee: 30 years

    Technology: HC-Mono, N-Type, TOPCon, Nanotech Coating
    Performance: 620/625/630/635 Watt
    efficiency: 22,95-23,51 %
    Cells: 132 (6*22)
    Bifacial: Yes, dual glass
    Frame color: silver
    Front side: 2 mm glass
    Reverse side: 2 mm glass
    Dimensions: 2382*1134*30 mm
    Guarantee: 30 years
    {"pa_einsatzbereich;Einsatzbereich":["Freifl\u00e4che","Gewerbe","Industrie","Landwirtschaft"],"pa_leistung-watt;Leistung (Watt)":["635"],"pa_technologie;Technologie":["HC-Mono, N-Type, TOPCon, Nanotech Coating"],"pa_ausfuehrung;Ausf\u00fchrung":["Glas-Glas (Bi-facial)"],"pa_rahmen;Rahmen":["Silber"]}
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    {"pa_einsatzbereich;Einsatzbereich":["Eigenheim","Freifl\u00e4che","Gewerbe","Industrie","Landwirtschaft"],"pa_leistung-watt;Leistung (Watt)":["485"],"pa_technologie;Technologie":["HC-Mono, N-Type, TOPCon, Nanotech Coating"],"pa_ausfuehrung;Ausf\u00fchrung":["Glas-Folie"],"pa_rahmen;Rahmen":["Schwarz"]}
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    {"pa_einsatzbereich;Einsatzbereich":["Eigenheim","Freifl\u00e4che","Gewerbe","Industrie","Landwirtschaft"],"pa_leistung-watt;Leistung (Watt)":["485"],"pa_technologie;Technologie":["HC-Mono, N-Type, TOPCon, Nanotech Coating"],"pa_ausfuehrung;Ausf\u00fchrung":["Glas-Glas (Bi-facial)"],"pa_rahmen;Rahmen":["Schwarz"]}
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    {"pa_einsatzbereich;Einsatzbereich":["Eigenheim","Freifl\u00e4che","Gewerbe","Industrie","Landwirtschaft"],"pa_leistung-watt;Leistung (Watt)":["465"],"pa_technologie;Technologie":["HC-Mono, N-Type, Back Contact, Nanotech Coating"],"pa_ausfuehrung;Ausf\u00fchrung":["Glas-Folie"],"pa_rahmen;Rahmen":["Schwarz"]}
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Tenka Solar PV modules - catalog download

Tenka Solar PV modules at a glance – download the catalog HERE!
Our new Tenka Solar PV module catalog offers a comprehensive overview of all current PV modules. Tenka Solar modules are ideal for private homes, commercial and industrial installations, as well as agricultural applications, agri-PV, and utility-scale ground-mounted systems. The catalog provides a clear summary of the key benefits and application areas for each product, as well as a detailed product data sheet with all technical specifications.

Tenka Power FAQ - Answers to frequently asked questions

Tenka Power FAQ can help with questions. Here our experts provide answers to frequently asked questions!
Tenka Power experts answer frequently asked questions about products and solutions. The Tenka Power FAQ is constantly updated and in many cases will help you before you contact customer service. If you have not found an answer to your question in our FAQ, please contact our customer support for detailed information on products and assistance in selecting the right product.

Why is the temperature coefficient important for PV modules?

Why is the temperature coefficient important for PV modules?

Why is the temperature coefficient important for PV modules?

Answer from the Tenka Power expert꞉

In hot climates, solar modules are often exposed to high temperatures, which affects their efficiency. The lower the temperature coefficient, the better a solar module can maintain its performance under such conditions.
 
With their extremely low temperature coefficient, N-Type TOPCon solar modules ensure more uniform and efficient power generation, making them the ideal choice for regions with warmer climates.
 
N-type TOPCon solar modules have the lowest temperature coefficient compared to mono-PERC and multicrystalline modules. This means that the drop in power generation is lowest for TOPCon panels at higher temperatures.
 
N-Type TOPCon PV modules demonstrably produce more energy.

What is a temperature coefficient for PV modules?

What is the difference between N-TYPE TOPCON PV modules and PERC PV modules?

What is the difference between N-TYPE TOPCON PV modules and PERC PV modules?

Answer from the Tenka Power expert꞉

An N-type TOPCon solar cell installed in a PV module looks exactly like a PERC cell. Both P-type and N-type solar cells are made from a silicon wafer. The difference between them lies in the way the wafers are doped with chemicals to improve power generation.
 
PERC technology is a cost-effective compromise between efficiency and mass production. The P-type modules commonly used today achieve an efficiency of around 21.4 %.
 
In short, P-type cells are doped with boron, while N-type cells are doped with phosphorus. In comparison, phosphorus degrades less quickly than boron when exposed to oxygen. In addition, phosphorus doping adds free electrons to the wafer, which increases efficiency. N-type modules can therefore achieve higher efficiencies.
 
The current efficiency levels for Tenka N-Type TOPCon and N-Type Back Contact panels are even higher than 24 percent.
 
The only drawback is that the N-type production process is still more expensive than the P-type.

What is the difference between N-TYPE TOPCON PV modules and PERC PV modules?

What is the difference between N-TYPE TOPCON PV modules and PERC PV modules?

What is the difference between N-TYPE TOPCON PV modules and PERC PV modules?

Answer from the Tenka Power expert꞉

An N-type TOPCon solar cell installed in a PV module looks exactly like a PERC cell. Both P-type and N-type solar cells are made from a silicon wafer. The difference between them lies in the way the wafers are doped with chemicals to improve power generation.
 
PERC technology is a cost-effective compromise between efficiency and mass production. The P-type modules commonly used today achieve an efficiency of around 21.4 %.
 
In short, P-type cells are doped with boron, while N-type cells are doped with phosphorus. In comparison, phosphorus degrades less quickly than boron when exposed to oxygen. In addition, phosphorus doping adds free electrons to the wafer, which increases efficiency. N-type modules can therefore achieve higher efficiencies.
 
The current efficiency levels for Tenka N-Type TOPCon and N-Type Back Contact panels are even higher than 24 percent.
 
The only drawback is that the N-type production process is still more expensive than the P-type.

What does N-TYPE TOPCON technology mean for solar modules?

What does N-TYPE TOPCON technology mean for solar modules?

What does N-TYPE TOPCON technology mean for solar modules?

Answer from the Tenka Power expert꞉

TOPCon, short for Tunnel Oxide Passivated Contact, is a state-of-the-art solar cell technology. This innovative design represents a significant advance over conventional solar cell architectures and offers improved efficiency and performance that surpasses that of the widely used PERC (Passivated Emitter and Rear Cell) technology.
 
At the heart of TOPCon solar cells is a unique structure that uses a thin oxide layer and a polycrystalline silicon layer to create a highly efficient passivated contact. This design enables improved charge carrier extraction, resulting in higher energy conversion rates.
 
TOPCon cells are a type of n-type solar cell made from a phosphorus-doped semiconductor material, which contributes to their excellent performance.
 
One of the most important advantages of TOPCon solar cells is their higher efficiency compared to conventional solar cell technologies such as PERC.

What does PERC technology mean for solar modules?

What does PERC technology mean for solar modules?

What does PERC technology mean for solar modules?

Answer from the Tenka Power expert꞉

PERC (Passivated Emitter and Rear Cell) is a technology that improves the efficiency of conventional solar cells. In a PERC solar cell, the rear side is passivated with a dielectric layer that reduces recombination losses and reflects unused light back into the cell.
 
The main advantage of PERC technology is that it can increase efficiency without significantly increasing manufacturing complexity or cost.
 
In terms of cost and manufacturing complexity, PERC solar cells have a slight advantage over TOPCon technology. The production process for PERC cells is less complex and more established, which is reflected in lower costs. The manufacturing costs for PERC cells are around 10-15% lower than for TOPCon cells.

What is Tenka Power's position on customer focus and quality assurance?

Customer focus and quality assurance

What is Tenka Power's position on customer focus and quality assurance?

Answer from the Tenka Power expert꞉

The satisfaction of our customers is our top priority at Tenka Power. We strive to build long-term partnerships through excellent customer service and the highest quality standards. From initial consultation and planning to installation and after-sales service, we support our customers every step of the way.

Our products undergo strict quality controls to ensure that they meet the highest standards. We use high-quality materials and state-of-the-art manufacturing technologies to guarantee durability and reliability. Certifications and regular audits confirm compliance with international quality standards.

We actively listen to our customers' feedback and use it to continuously improve our products and services. Our customer support is always available to answer questions and provide solutions. With the Tenka Power Cloud, we also enable our customers to monitor and optimize their energy systems in real time.

Transparency and trust are important to us. That's why we openly inform our customers about product features, costs and services. At Tenka Power, you can rely on us to always act in your best interests and work with you to find the optimum solution for your energy needs.

What is Tenka Power's position on innovation for a better future?

Innovations for a better future

What is Tenka Power's position on innovation for a better future?

Answer from the Tenka Power expert꞉

Innovation is the engine that drives Tenka Power. We continuously invest in research and development to create breakthrough energy solutions that are both economically and environmentally valuable. Our goal is to increase energy efficiency through technological advances and accelerate the transition to a sustainable energy future.

Our developers are working on the next generation of photovoltaic modules, inverters and energy storage systems that are even more efficient and durable. By integrating artificial intelligence and smart grid technologies, we are enabling intelligent energy management systems that optimize energy consumption and conserve resources.

We cooperate with leading research institutes and universities to keep our finger on the pulse and incorporate the latest findings into our products. Our innovation projects aim to develop solutions for global challenges such as climate change, energy shortages and environmental pollution.

At Tenka Power, we understand innovation not only as technological development, but also as the ability to create new business models and partnerships that have a positive social impact. With our innovations, we want to make a sustainable difference and help shape the world of tomorrow.

What is Tenka Power's position on ethics and corporate responsibility?

Ethics and corporate responsibility

What is Tenka Power's position on ethics and corporate responsibility?

Answer from the Tenka Power expert꞉

Integrity and ethical behavior are fundamental values at Tenka Power. We are aware of the responsibility we bear as a company towards our customers, partners and society. Our compliance guidelinesensure that we act transparently and responsibly in all areas of our business.

We are committed to fair business practices and reject any form of corruption or unethical behavior. Our supply chains are designed to meet the highest ethical standards. We only work with suppliers who share our values and are committed to social and environmental standards.

Data protection and information security are further important aspects of our corporate responsibility. We protect the data of our customers and partners and strictly adhere to all legal requirements and best practices in the area of data security.

Our corporate ethics also extend to the way we treat our employees and the environment. We promote a culture of openness and responsibility in which everyone is encouraged to raise ethical concerns and contribute to improving our processes.

Through regular training and audits, we ensure that our standards are maintained and continuously improved. At Tenka Power, we firmly believe that ethical behavior is not only right, but also essential for long-term success.

What is Tenka Power's position on employee development and work culture?

Employee development and work culture

What is Tenka Power's position on employee development and work culture?

Answer from the Tenka Power expert꞉

Our employees are at the heart of Tenka Power and we place great importance on their development and satisfaction. We believe that a positive working environment that promotes teamwork, diversity and equal opportunities is key to innovation and success. That's why we invest in training opportunities, career development and create a culture where every opinion counts.

We offer regular training courses and workshops to ensure that our employees are always up to date with the latest technology and industry developments. Through internal and external training programs, we promote individual development and enable career paths within the company. Our work culture is characterized by openness, respect and mutual support.

Diversity is not just a buzzword for us, but a lived practice. We value the different perspectives and experiences that each individual brings to the table and see them as an enrichment for our team. Equal opportunities and inclusion are integral parts of our HR policy.

We also promote a work-life balance by offering flexible working hours and models. The health and well-being of our employees is important to us, which is why we support various health programs and leisure activities.

Through these measures, we create a motivating environment in which our employees can develop their full potential. At Tenka Power, we are convinced that satisfied and committed employees are the key to outstanding performance and innovative solutions.

What is Tenka Power's position on social commitment and community?

Social commitment and community

What is Tenka Power's position on social commitment and community?

Answer from the Tenka Power expert꞉

At Tenka Power, we see ourselves as an active part of society and take our social responsibility seriously. We are involved in various social projects and support initiatives that have a positive impact on our communities. These include educational programs in the field of renewable energies, which aim to raise awareness of sustainability and climate protection.

Our employees are encouraged to volunteer and we offer them opportunities and support to do so. Whether by participating in local environmental campaigns, supporting schools in conducting solar energy workshops or cooperating with charitable organizations - we actively promote the community.

We are particularly committed to promoting education and equal opportunities. We support scholarship programs for aspiring engineers and scientists in the field of renewable energy and work with educational institutions to share practical experience and knowledge. Through these initiatives, we aim to inspire the next generation of innovators and give them the tools to shape a sustainable future.

Our social activities are an integral part of our corporate philosophy. They reflect our belief that companies should not only pursue economic goals, but also make a contribution to society. With Tenka Power, you are investing in a company that is committed to social responsibility and the common good.

What is Tenka Power's position on sustainability and environmental protection?

Sustainability and environmental protection

What is Tenka Power's position on sustainability and environmental protection?

Answer from the Tenka Power expert꞉

At Tenka Power, sustainability is at the heart of everything we do. As a provider of renewable energy solutions, we actively contribute to reducing global CO₂ emissions. Our products, from photovoltaic modules and inverters to PV battery storage systems and heat pumps, are designed to achieve maximum energy efficiency and minimize the use of fossil fuels. We use state-of-the-art technologies such as N-Type Back Contact and Nanotech Coating to maximize the energy yield of our systems.

Internally, we follow strict environmental standards and strive to reduce our ecological footprint. This includes energy-efficient production processes, the use of environmentally friendly materials and the minimization of waste through recycling and reuse. We also promote the use of renewable energy in our own facilities and strive to operate in a carbon-neutral way.

Our commitment to climate protection is also reflected in our partnerships. We work closely with organizations that are committed to environmental protection and support reforestation and biodiversity projects. By promoting sustainable practices both internally and externally, we want to make a positive contribution to the environment and ensure a world worth living in for future generations.

We firmly believe that technological innovation and sustainability can go hand in hand. That's why we continuously invest in research and development to create even more efficient and environmentally friendly solutions. With Tenka Power, you are not only choosing high-quality energy solutions, but also a company that takes responsibility for our environment.

How environmentally friendly are solar systems?

Environmentally friendly solar systems

How environmentally friendly are solar systems?

Answer from the Tenka Power expert꞉

Solar panels are considered one of the most environmentally friendly energy sources as they generate renewable energy directly from sunlight. Unlike fossil fuels, solar panels do not produce greenhouse gas emissions when generating electricity, making them a key solution in the fight against climate change. The use of solar systems helps to reduce CO₂ emissions and reduces the need for environmentally harmful fossil fuels.

While the production of solar modules requires energy and resources, the ecological footprint over the lifetime of the system is very small. Modern solar modules have a lifespan of 25 to 30 years and are largely recyclable. This means that the environmental impact of production and operation is significantly lower compared to conventional energy sources such as coal or natural gas.

Solar systems also offer the advantage that they can be installed decentrally, whether on roofs, open spaces or in rural areas. This minimizes energy losses due to long transport routes. All in all, solar systems are a clean, efficient and environmentally friendly way of meeting energy requirements and protecting the environment at the same time. Investing in a solar system is therefore not only an economical decision, but also a significant contribution to climate protection.

How much space does a solar system need?

Space for solar system

How much space does a solar system need?

Answer from the Tenka Power expert꞉

The space required for a solar installation depends mainly on the desired output and the solar modules used. An average solar system requires around 6 to 10 square meters of roof space for 1 kWp (kilowatt peak). A typical system with 5 kWp, which is enough to cover the electricity needs of an average household, would require around 30 to 50 square meters.

The space requirements can also depend on the efficiency of the solar modules. Highly efficient modules can produce more solar power on less surface area, which reduces the amount of space required. The orientation of the roof and the angle of inclination also play a role, as an optimal orientation to the south and an angle of inclination between 30 and 40 degrees maximizes the efficiency of the modules.

If there is not enough space on the roof, there are also alternatives such as ground-mounted systems, façade installations or carports with solar panels. These options allow you to generate your own solar power even without a large roof. Overall, the available space should be carefully planned in order to exploit the maximum energy potential of the solar system and optimize its cost-effectiveness.

What advantages do solar cells offer as an energy source?

Advantages of solar cells

What advantages do solar cells offer as an energy source?

Answer from the Tenka Power expert꞉

Solar cells offer numerous advantages as an energy source and are an environmentally friendly, sustainable alternative to fossil fuels. By converting sunlight into electrical energy, solar cells provide clean and renewable electricity. They help to reduce dependence on conventional energy sources and at the same time promote the reduction of CO2 emissions, which is an important contribution to climate protection.

A key advantage of solar energy is its inexhaustibility. The sun is an unlimited source of energy, unlike fossil fuels such as coal, oil or gas, which are finite and harmful to the environment. In addition, solar cells produce electricity without noise and without pollutants. This makes them an ideal solution for private households, commercial enterprises and industries that want to rely on a sustainable energy supply.

Solar cells also offer many financial advantages. By using solar power, you can significantlyreduce your energy costs. Installing a solar system is a long-term investment that can quickly pay for itself through savings on electricity costs and government subsidies. In addition, having your own solar system increases the value of your property, as more and more buyers are looking for environmentally friendly and energy-efficient homes.

Continuous technological advances are making solar cells ever more efficient and cost-effective, further increasing the attractiveness of this energy source. Overall, solar cells are a future-proof solution that offers both economic and environmental benefits.

How important is the maintenance of solar cells?

Maintenance of solar cells

How important is the maintenance of solar cells?

Answer from the Tenka Power expert꞉

Solar cell maintenance is crucial to ensure the maximum efficiency and longevity of your solar installation. Although solar cells are generally very low maintenance, regular inspections and cleaning can significantly improve performance. Dirt, dust, leaves or bird droppings can affect energy production , which can lead to reduced performance.

Regular cleaning of the solar cells is particularly important in regions with high levels of dust or air pollution. Clean solar modules capture more sunlight and therefore produce more electricity. It is advisable to check and clean the modules at least once a year, especially after heavy storms or long dry periods during which dirt can accumulate.

In addition to cleaning, inspection of the electrical components plays an important role. The inverter, cabling and fastening elements should be checked regularly for damage. A well-maintained system not only ensures higher electricity production, but also extends the service life of your solar installation. Problems such as faulty cabling or damaged modules can be detected early and rectified before they cause major damage.

The investment in regular maintenance is small compared to the potential losses caused by inefficient solar cells. With careful maintenance, your system will remain productive and efficient for many years. A well-maintained solar system therefore not only offers you financial benefits, but also makes a major contribution to the energy transition.

What role do solar cells play in the energy transition?

Role of solar cells Energy transition

What role do solar cells play in the energy transition?

Answer from the Tenka Power expert꞉

Solar cells are a key component of the global energy transition and play a crucial role in accelerating the transition from fossil fuels to renewable energy. By converting sunlight directly into electricity, solar cells provide a clean, sustainable source of energy with zero CO2 emissions. This makes them an essential tool in the fight against climate change.

A major advantage of solar cells is their flexibility. They can be installed on roofs, in solar plants or in open spaces to generate clean electricity without harming the environment. These decentralized energy sources reducedependence on central power grids and create new opportunities for self-determined energy production.

The use of solar cells makes it possible to reduce energy consumption and at the same time reduce dependence on fossil fuels such as coal, gas and oil. This helps to reduce CO2 emissions and combat climate change. In combination with storage technologies and intelligent energy management systems, solar cells can ensure a constant supply of energy, even when the sun is not shining.

Together with other renewable energy sources such as wind and hydropower, solar cells play a key role in creating a sustainable, clean and climate-friendly energy system. Their continuous further development ensures that the energy transition progresses faster and the share of renewable energies increases worldwide.

How efficient are today's solar cells?

Efficiency solar cells

How efficient are today's solar cells?

Answer from the Tenka Power expert꞉

Solar cells have seen a considerable increase in efficiency in recent years. Modern solar cells utilize a larger proportion of solar energy and achieve efficiencies of up to 24% and more. The efficiency depends on the technology used. Monocrystalline solar cells offer the highest efficiency, followed by polycrystalline and thin-film solar cells. These advances make it possible to generate a significant amount of electricity even with less solar radiation.

Choosing the right solar cells plays a decisive role in the cost-effectiveness of the entire system. Monocrystalline solar cells are more expensive, but their higher efficiency means that they make better use of the available space on the roof. Polycrystalline solar cells are cheaper, but have a lower efficiency, which means that more space is required to generate the same amount of electricity.

Another aspect that influences efficiency is the environment. Dust, dirt and shade can reduce the energy yield. For this reason, it is important to clean the solar cells regularly and ensure that they are optimally aligned to capture the maximum amount of sunlight.

The continuous development of solar cell technology ensures that efficiency continues to improve. New materials and technologies such as multi-junction solar cells, which use different spectra of light, could enable even higher efficiency values in the future.

How much electricity does a solar system produce?

Electricity production solar system

How much electricity does a solar system produce?

Answer from the Tenka Power expert꞉

The amount of electricity that a solar system produces depends on several factors. These include the size of the system, the efficiency of the solar modules, the solar radiation at the location and the orientation and inclination of the solar modules. Under ideal conditions, a well-planned solar system can generate a considerable amount of electricitythat can be used both for self-consumption and for feeding into the grid.

In regions with high levels of solar radiation, a solar system can generate between 900 and 1,300 kilowatt hours of electricity per installed kilowatt peak (kWp) per year. The exact output varies depending on the geographical location and the efficiency of the installed modules. Modern solar modules have a high degree of efficiency and can still produce electricity even in cloudy weather or indirect sunlight.

By combining this with a battery storage system, the surplus electricity produced can also be stored for later, which increases energy independence. This is particularly advantageous as it minimizes dependence on external energy suppliers and maximizes self-consumption.

A well-planned solar system can cover the entire electricity requirements of a household or business and also feed surplus energy into the public grid, which is additionally rewarded by feed-in tariffs. With the right dimensions and orientation, your solar system will become an efficient and sustainable source of energy.

What is the importance of the inverter in a solar power system?

Inverter solar system

What is the importance of the inverter in a solar power system?

Answer from the Tenka Power expert꞉

The inverter is a central component in every solar power system, as it converts the direct current (DC) generatedby the solar modulesinto alternating current (AC), which is used in households and in the electricity grid. Without an inverter, the electricity generated would not be usable for most applications. Its role is therefore crucial in making the energy from the solar system available for everyday use.

An efficient inverter ensures that most of the electricity generated by the solar modules is converted into usable alternating current, minimizing losses during the conversion process. Inverters are available in various designs, depending on the size and type of solar system. They constantly monitor the performance of the system and optimize the flow of electricity, resulting in a higher energy yield.

In addition to converting electricity, the inverter also performs important safety functions, such as protection against overloads and short circuits. Modern inverters also have smart functions, such as remote monitoring via apps or integration into energy management systems. These functions offer real-time monitoring and make it possible to optimally control the performance of the solar system.

A high-quality inverter therefore makes a significant contribution to the efficiency and longevity of the entire solar system. It ensures maximum energy yield and protects the system from potential damage.

What are the economic advantages of solar systems?

Economic advantages of solar systems

What are the economic advantages of solar systems?

Answer from the Tenka Power expert꞉

A solar system not only offers ecological benefits, but also significant economic advantages. By using solar power, you can significantly reduce your electricity costs in the long term and contributeto the energy transitionat the same time. The investment in a photovoltaic system usually pays for itself within a few years, depending on the location and solar radiation.

  1. Saving on energy costs: By producing your own electricity, you reduce your dependence on rising energy prices. Every kilowatt hour that you generate yourself reduces your monthly electricity bill. This leads to considerable savings over the lifetime of the system.

  2. Attractive subsidies: Government subsidy programs and feed-in tariffs make the purchase of a solar system even more lucrative. Many countries offer attractive financial incentives for the purchase and installation of photovoltaic systems, which shortens the amortization period and increases profitability.

  3. Increasing the value of your property: Installing a photovoltaic system can increase the value of your property. As more and more buyers are paying attention to energy efficiency, a property with a solar system is seen as more attractive. This can have a positive effect on the resale value.

In addition to the financial benefits, the use of solar energy offers a secure and long-term solution for energy generation that is independent of fossil fuels. This protects you from future price fluctuations on the energy market and contributes to the sustainability of your household or business.

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