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OPES Solutions GmbH

OPES Solutions is an innovator and a technology, quality and market leader in the off-grid solar industry. We design and manufacture various types of solar panels that are suitable for a wide range of applications - including industries where solar was not feasible before. New fields of application, new products and market innovations are core to our corporate strategy. In addition to current products for today's markets, we continuously develop [...]

  • Ballasted Mounting Solar System
  • Germany
  • Germany
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Germany

What is Solar Energy in Germany?

Germany, despite being a sun-drenched country has been considered as one of the highest solar power outputs around the world and still possesses the most advanced and latest research about solar energy and has many new industry actors. Moreover, they’re expecting for the second wave of solar power expansion, which will soon bring success and progress for the solar technology’s full systemic integration.

For several years, Germany has been considered as the world’s top PV installer among other countries. At the end of the year 2016, Germany managed to build a total installed solar power capacity of 41.3 gigawatts (GW) which was behind China’s solar capacity.

Most solar power in Germany exclusively consists of photovoltaics (PV) systems only. Germany has only a little interest in concentrated solar power (CSP) for it does not use photovoltaics and this solar technology requires much higher solar insolation as compared to the PV system. However, there is still an experimental CSP-plant with 1.5 MW capacity which is being used solely for on-site engineering purposes only rather than for commercial electricity/power generation. This concentrated solar power is called the “Jülich Solar Tower” that is owned by the German Aerospace Center.

Moreover, in 2014, Germany managed to install about 1.5 million photovoltaic systems across the country which are ranging from small rooftop solar power systems to medium commercial and large utility-scale solar plants and farms. The largest solar farms of Germany are located in Neuhardenberg, Templin and Meuro with solar capacities of over 100 MW. Moreover, these PV technologies were accounted for an estimated 6.2 to 6.9 percent of Germany’s net electricity generation in the year 2016.

However, new installations of photovoltaic systems have slowed down steadily since the beginning of the year 2011. Also, it was estimated in the year 2017 that over 70 percent of the employment in the solar industry of the country have been lost in recent years. Solar power in Germany has gone through rough times since it has been started in the wake of Germany’s Renewable Energy Act in the year 2000. However, German companies quickly loomed to global leadership in solar power technology before a collapse in the solar industry happen and some of the companies were forced to hold their businesses.

Proponents from the Photovoltaic industry blamed the government for its lack of commitment in the said industry, while others point out that the loss of jobs in the solar sector is due to financial burden that was associated with the fast-paced launching and manufacturing of photovoltaics, which in their perspective was very unsustainable to the transition of renewable energies.

With all of these, still, the official governmental goal of Germany is to continuously improve and increase the contribution of renewable energy to the country’s overall electricity generation and consumption. By 2020, Germany is aiming for a long-term minimum target of 35 percent capacity, 50 percent by 2030 and around 80 percent power capacity by the end of 2050.

Currently, the country is significantly producing more electricity at specific times with high solar irradiation than the country’s needs, slowing down spot-market prices and exporting the country’s electricity surplus to nearby countries. In 2014, the record of exported electricity surplus reached almost 34 TWh. The decline of spot-prices in the market may raise the electricity prices for retail customers, as the expansion of the guaranteed feed-in tariff and spot-price increases as well.

As the combined share of fluctuating wind and solar energy is nearly achieving 17 percent of the national electricity mix, energy issues and problems are also being prevented and others becoming more manageable. This is because of the electrical grid adaptation, new grid-storage capacity construction, reduction of fossil fuels, altering of nuclear power plants and constructing a new generation of combined heat and power plants. Today, nuclear power and brown coal are the cheapest suppliers of electricity in Germany.

Ballasted Mounting Solar System used for below projects in Germany

Won Project Image

5 MW Industry Roof Mounting Structure

The round-bulb clamp is used on the standing seam roof. Quality aluminum components have wind and snow

Ballasted Mounting Solar System

Ballasted Mounting Solar System

You may assume that installing a solar panel system is easy as some commercial ads say it is. But in reality, solar installers conduct a roof inspection beforehand to check if your roof is safe to install solar panels to avoid future conflict in the installation process. Note that, not all roofs can pass the test, as there are requirements to follow. 

In today’s article, we will be discussing one of the ways to install your solar panel system on your roof.

What is Ballasted Mounting Solar System?

There are few ways to install a solar panel system on your house roof, the traditional way is directly attaching them to your home’s rafters. This common way needs cutting and putting holes into the roof to place the solar panels. Although most installers care to seal all those holes to avoid water leakage, it will eventually turn into trouble, as those sealers can break down sooner. That’s a real problem to be considered especially if you have a flat roof. It is one of the reasons why some homeowners choose ballasted mounting solar system installation.

Whereas, Ballasted mounting is a way of installing your solar panels on your roof without needing to place bolts on it to fix the panels. The ballast is usually heavy holding itself in place. Its weight distribution sometimes can be used as the ballast itself, but other installers use trays to receive concrete blocks. If you’re concern about those roof holes, this mounting system is ideal for you.

How to Install Ballasted Mounting Solar System?

Unlike the traditional one, Ballasted mounting does not require any holes to fix the solar panels on your roof. A ballasted mounting system offers various benefits of installing solar panels without causing damage to your home’s rafters. Generally, solar ballasts are not directly attached to roof rafters the way traditional solar panel installation works. Instead, concrete blocks or a solar racking system are used as based where the solar panels are placed directly on top and cemented to the surface.

Typically, after your installers inspect your roof, they will suggest the best way to install your solar panels so it is best to follow what your installers recommend than what you like. 

What Kind of Roof Structure is Best for a Ballasted Mounting System?

Most architects design houses with low-slopped and flat roofs, particularly with a complex drainage system. However, this type of roof structure usually brings water leakage problems if small holes start to appear due to rust. 

If you plan to install a solar power system with this type of roof structure, solar installers often suggest choosing the ballast mounting system as it can prevent damage to your roofs. With ballasted mounting, your roof will be free from expansion bolts or chemical bolts that usually damage your roof. To make it simpler, ballasted systems are preferable for homes with flat and low-slopped roofs. 

Conclusion: Should You Install Ballast-Mounted Solar Panels?

Choosing the Ballasted mounting solar system is indeed a good way to install your solar panels. They are relatively easy to install, most importantly, they cannot damage your roof, retaining its great shape. However, you should pick this mounting system if your installers advised you because they surely know what’s best for your roof. Remember it is much suited to low-slopped and flat roofs than those high-slopped ones. 

Wholesalers

Solar Products Wholesalers 

Wholesaling refers to buying some products or goods directly from its manufacturer usually at a discount and then reselling it to the retailers for a comparatively higher cost than the original. Basically, wholesalers handle products and package them in small quantities and then sell them to retail customers, either for commercial or personal use. 

Many industries have wholesalers, and that will not skip the solar industries. Nowadays, many solar wholesale stores/firms are operating across the globe, making it much easier for retailers to go solar. Sometimes retailers find it hard to reach direct manufacturers of solar products because some companies do not have their solar stores/shops in public, with that they are not also offering solar products per piece. Through wholesale solar stores/shops, these individuals can easily buy the solar products that they need to replace or maintain their solar systems. 

If you are in need of solar product suppliers for an individual purpose, you may visit some solar outsourcing marketplace to get an updated list of solar wholesalers near your location. There are many solar platforms that provide enough information and data about the solar industry in your region, including all the reliable solar wholesalers in town.

Germany

What is Solar Energy in Germany?

Germany, despite being a sun-drenched country has been considered as one of the highest solar power outputs around the world and still possesses the most advanced and latest research about solar energy and has many new industry actors. Moreover, they’re expecting for the second wave of solar power expansion, which will soon bring success and progress for the solar technology’s full systemic integration.

For several years, Germany has been considered as the world’s top PV installer among other countries. At the end of the year 2016, Germany managed to build a total installed solar power capacity of 41.3 gigawatts (GW) which was behind China’s solar capacity.

Most solar power in Germany exclusively consists of photovoltaics (PV) systems only. Germany has only a little interest in concentrated solar power (CSP) for it does not use photovoltaics and this solar technology requires much higher solar insolation as compared to the PV system. However, there is still an experimental CSP-plant with 1.5 MW capacity which is being used solely for on-site engineering purposes only rather than for commercial electricity/power generation. This concentrated solar power is called the “Jülich Solar Tower” that is owned by the German Aerospace Center.

Moreover, in 2014, Germany managed to install about 1.5 million photovoltaic systems across the country which are ranging from small rooftop solar power systems to medium commercial and large utility-scale solar plants and farms. The largest solar farms of Germany are located in Neuhardenberg, Templin and Meuro with solar capacities of over 100 MW. Moreover, these PV technologies were accounted for an estimated 6.2 to 6.9 percent of Germany’s net electricity generation in the year 2016.

However, new installations of photovoltaic systems have slowed down steadily since the beginning of the year 2011. Also, it was estimated in the year 2017 that over 70 percent of the employment in the solar industry of the country have been lost in recent years. Solar power in Germany has gone through rough times since it has been started in the wake of Germany’s Renewable Energy Act in the year 2000. However, German companies quickly loomed to global leadership in solar power technology before a collapse in the solar industry happen and some of the companies were forced to hold their businesses.

Proponents from the Photovoltaic industry blamed the government for its lack of commitment in the said industry, while others point out that the loss of jobs in the solar sector is due to financial burden that was associated with the fast-paced launching and manufacturing of photovoltaics, which in their perspective was very unsustainable to the transition of renewable energies.

With all of these, still, the official governmental goal of Germany is to continuously improve and increase the contribution of renewable energy to the country’s overall electricity generation and consumption. By 2020, Germany is aiming for a long-term minimum target of 35 percent capacity, 50 percent by 2030 and around 80 percent power capacity by the end of 2050.

Currently, the country is significantly producing more electricity at specific times with high solar irradiation than the country’s needs, slowing down spot-market prices and exporting the country’s electricity surplus to nearby countries. In 2014, the record of exported electricity surplus reached almost 34 TWh. The decline of spot-prices in the market may raise the electricity prices for retail customers, as the expansion of the guaranteed feed-in tariff and spot-price increases as well.

As the combined share of fluctuating wind and solar energy is nearly achieving 17 percent of the national electricity mix, energy issues and problems are also being prevented and others becoming more manageable. This is because of the electrical grid adaptation, new grid-storage capacity construction, reduction of fossil fuels, altering of nuclear power plants and constructing a new generation of combined heat and power plants. Today, nuclear power and brown coal are the cheapest suppliers of electricity in Germany.

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