Photovoltaics (PV): Build a solar carport and solar system on a flat roof - looking for a system from Heidelberg, Heilbronn or Pforzheim?
Published on: June 22, 2021 / Update from: August 4, 2021 - Author: Konrad Wolfenstein
Photovoltaic solar carport and solar for flat roofs and pitched roofs – Xpert.Digital / wadstock|Shutterstock.com
Solar carports as a further step for the growing charging station infrastructure
In a survey, experts from the e-mobility industry confirmed with over 70% that the expansion of the charging station network has a strong influence on the market for electric vehicles. Another 22% believe it is at least having an impact on the EV market.
In comparison, the number of street filling stations has decreased over the past ten years. The number fell continuously from 14,410 in 2010 to 14,089 in 2020. The number of charging points in Germany developed in the opposite direction; from 2012 to 2021 the number increased almost tenfold. With the increasing number of electric cars, the number of charging stations will continue to grow in the future.
While a charging station consists of one or more charging points, the difference to a charging point is that only one electric vehicle can be charged at a charging point at a time. A charging station can therefore consist of one or more charging points.
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In addition to wallboxes, charging stations are part of the charging points. There are currently over 39,500 charging points in total (as of February 2021).
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- Best practice solar carport: What trade and industry in Baden-Württemberg need to know now
- Charging stations and solar carports together make sense: the circle closes
39,500 charging points compared to 14,000 filling stations only looks very good at first glance. But the fact is that gas stations can refuel and charge more vehicles at the same time much faster. According to estimates, electric car charging stations can currently only cover 10% of the performance level compared to gas stations. What makes things even more difficult is the patchy infrastructure of charging options. If you also take into account that the proportion of electric cars in daily traffic is much lower. The problem will increase even more if the proportion of electric cars grows in the next few years, which is to be expected.
This should be counteracted with a solar requirement and the expansion of solar carports In general, the expansion of renewable energies should focus on solar parks , solar fields and open- space photovoltaic systems . The emission-free future of transport and its infrastructure will be introduced logically and consistently not with the famous electricity from the socket, but with solar carports whether a solar requirement makes sense for this purpose. But the fact is that interest in solar systems is not yet widespread among the population. Although many are environmentally conscious and interested in ecology, interest in solar systems themselves has remained relatively the same at just under 50% from 2013 to now. It is right that everyone contributes their part to an emission-free environment and does not wait for the electricity from the can to become emission-free and greener.
In order to increase the charging options and at the same time obtain the charging current from solar energy, open parking spaces now come into play.
What are open parking spaces?
This does not mean public parking spaces. Open parking spaces are usually:
- A storage area open on the side walls, not a barn or shed or similar.
- Carports, covered parking spaces
- Uncovered parking spaces
- Parking available on a property
- Outdoor parking spaces
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In Baden-Württemberg this affects all open parking spaces with a number of 75 or more parking spaces. Section 8b of the Climate Protection Act in Baden-Württemberg defines that “ a photovoltaic system must be installed above the parking space suitable for solar use There is no alternative as with the requirement for photovoltaic systems for new non-residential buildings.
Our solar parking solution is modular and scalable:
- Quick and easy assembly
- Stable strip foundation as collision protection
- Individually customizable design (color, materials, surface, size, etc.)
- Installation of charging stations and inverters is possible at any time
- Scalable & modular: Available as a single, double or arbitrarily scalable row carport
- Can even be used in the standard version for very high wind and snow loads (s k = 2.2 kN/m²)
- Extra large and wide parking spaces and very easy parking thanks to W-shaped supports
- High-quality design for sophisticated and long-lasting requirements: Hot-dip galvanized steel construction (DIN EN 10346, DIN EN 1461)
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Industrial flat roof solar systems and solar parks or outdoor photovoltaic systems are another alternative
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If you are thinking of investing in a solar carport for your company location and/or open parking spaces, a solar system on the company roof is also recommended. Exploiting any energy potential for an emission-free and autonomous power supply is also a competitive advantage and securing market shares.
More about it here:
Charging infrastructure and charging stations
Should the energy generated be fed into the grid or parked in energy or electricity storage? What are the load profiles, the technical connection conditions, number of charging stations, vehicle downtime and ultimately the specified total PV output? Will the charges be recorded with the company if the employee charges their company car from home? These are questions that we will have to deal with in the future. It is different from what we are used to today.
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What impact does the expansion of the charging station network have on the German market for electric vehicles?
Expert survey on the influence of the charging station network on the electric car market – Image: Xpert.Digital
The statistics show the results of a survey among eMobility experts in Germany who have been working in the field of eMobility for at least 2 years. It's about the influence of the expansion of the charging station network on the market for electric vehicles. In 2018, around 6 percent of the experts surveyed were of the opinion that the expansion of the charging station network has little impact on the German market for electric vehicles.
Survey on the availability of charging options for electric cars by electricity providers
Does your electricity supplier already offer charging stations in public areas or charging stations for your own garage – so-called wallboxes – for electric cars?
Availability of charging options for electric cars through electricity providers – Image: Xpert.Digital
According to a survey from 2019, 60 to well over 70 percent of respondents cannot make precise statements about what their electricity provider offers when it comes to charging options for electric cars. This was particularly pronounced in the area of “wallboxes”, private charging stations for your own garage.
The original wording of the respective questions was as follows:
Does your electricity supplier already offer charging stations for electric cars in public areas?
- 60% – Don’t know/no answer
- 12.5% – No
- 27.5% – Yes
Does your electricity supplier offer charging stations for your own garage – so-called wallboxes?
- 77.1% – Don’t know/no answer
- 14.1% – No
- 8.8% – Yes
Number of new charging stations in Germany from 2010 to 2021
Number of new charging stations in Germany from 2010 to 2021 – Image: Xpert.Digital
Around 4,500 new charging stations for electric cars went into operation across Germany in 2020 and completed the Federal Network Agency's notification process. The biggest increase so far was in 2019 with over 5,000 new charging stations. In total, there are already over 19,600 charging stations for electric cars in Germany.
The source states: “The map shows the charging facilities of all operators who have completely completed the Federal Network Agency’s notification process and agreed to publication on the Internet. The LSV does not enable a complete recording of the entire German charging infrastructure. The number of publicly accessible charging facilities in Germany is therefore larger than shown here.”
Due to late registrations, the data from previous years may change.
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How is the development of new charging stations in Germany?
- 2010 – 89 charging stations
- 2011 – 254 charging stations
- 2012 – 153 charging stations
- 2013 – 144 charging stations
- 2014 – 315 charging stations
- 2015 – 620 charging stations
- 2016 – 1,174 charging stations
- 2017 – 2,040 charging stations
- 2018 – 4,107 charging stations
- 2019 – 5,019 charging stations
- 2020 – 4,530 charging stations
- 2021 – 1,146 charging stations (January to April)
Number of charging stations in Germany from June 2020 to June 2021
Number of charging stations in Germany from June 2020 to June 2021 - Image: Xpert.Digital
As of June 1, 2021, a total of 20,900 charging stations for electric vehicles were in operation across Germany and had completed the Federal Network Agency's notification process. Compared to May 2021, this corresponds to an increase of around 270 charging stations. Most charging stations are located in the state of Bavaria.
The source states: “The map shows the charging facilities of all operators who have completely completed the Federal Network Agency’s notification process and agreed to publication on the Internet. The LSV does not enable a complete recording of the entire German charging infrastructure. The number of publicly accessible charging facilities in Germany is therefore larger than shown here.”
Due to late registrations, the data from previous months may change.
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How is the development of charging stations in Germany from June 2020 to June 2021?
- 15,680 charging stations – June 2020
- 16,034 charging stations – July 2020
- 16,385 charging stations – August 2020
- 16,685 charging stations – September 2020
- 17,067 charging stations – October 2020
- 17,461 charging stations – November 2020
- 17,960 charging stations – December 2020
- 18,656 charging stations – January 2021
- 19,158 charging stations – February 2021
- 19,635 charging stations – March 2021
- 20,114 charging stations – April 2021
- 20,633 charging stations – May 2021
- 20,900 charging stations – June 2021
- Warehouses, production halls and industrial halls with their own power source from a photovoltaic roof system - Image: NavinTar|Shutterstock.com
- Industrial plant with its own power source from an outdoor photovoltaic system - Image: Peteri|Shutterstock.com
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That's why the Xpert.Solar advice on solar carports , solar systems and solar systems on flat roofs for Heidelberg, Heilbronn and Pforzheim!
Konrad Wolfenstein
I would be happy to serve as your personal advisor.
You can contact me by filling out the contact form below or simply call me on +49 89 89 674 804 .
I'm looking forward to our joint project.
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Xpert.Digital – Konrad Wolfenstein
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