Photovoltaics (PV): Build a solar carport and solar system on a flat roof - looking for a system from Hamburg, Bremen or Berlin?
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Published on: July 12, 2021 / Updated on: August 4, 2021 – Author: Konrad Wolfenstein

Photovoltaic solar carports and solar panels for flat and pitched roofs – Xpert.Digital / seo byeong gon|Shutterstock.com
Solar carports will accelerate the expansion of charging points and charging options using renewable energy!
To date, environmental bonuses have been applied for in total for approximately 359,400 purely battery-electric vehicles and approximately 282,000 plug-in hybrid vehicles. More than half of these come from companies and were registered in their name.
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For many, however, electricity still comes from the wall socket, meaning that the majority of the electricity required is currently still derived from fossil fuels (= greenhouse gas carbon dioxide CO2) and nuclear power. However, some companies have already made initial efforts towards an autonomous power supply.
Suitable for:
The most popular option is to expand the existing flat roof on warehouses, company buildings, or production facilities. This applies particularly to sawtooth roofs, parallel roofs, gully roofs, and others. There's a solution for almost every type of roof. In the industrial sector, membrane roofs and bitumen roofs are also common, requiring non-invasive mounting of solar panels. This means that a roof-penetration-free substructure is preferred. There's a solution for this as well. The best-known is the METIS system from T.Werk.
Suitable for:
With the advent of solar carports another alternative for generating electricity and for autonomous power supply is developing here, in addition to the solar obligation for open 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
Suitable for:
- Are solar farms the most popular electricity generation systems?
- Solar carports: company parking spaces – sensible use of sealed areas
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)
- [Click here for more]
Suitable for:
Industrial flat roof solar systems and solar parks or outdoor photovoltaic systems are another alternative
Anyone considering investing in a solar carport for their company premises and/or open parking areas should also consider installing a solar panel system on the company roof. Utilizing all available energy potential for an emission-free and autonomous power supply is also a competitive advantage and helps secure market share.
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.
Suitable for:
Environmental bonuses applied for for electric cars by design in Germany
This statistic shows the number of applications for purchase premiums for electric vehicles, also known as environmental bonuses, by type of electric vehicle drive in Germany (as of June 1, 2021). Eligible for funding is the acquisition (purchase or lease) of an electric vehicle that is being registered for the first time and whose net list price of the base model does not exceed €65,000. As of the specified date, a total of approximately 359,400 environmental bonuses for purely battery-electric vehicles had been applied for in Germany.
Number of environmental bonuses applied for for electric cars in Germany by type up to June 2021
- Pure battery electric vehicles – 359,446
- Plug-in hybrids – 282,083
- Fuel cell vehicles – 198
- Total – 641,727
Number of environmental bonuses applied for for electric cars in Germany by model

Number of environmental bonuses applied for for electric cars in Germany by model – Image: Xpert.Digital
This statistic shows the ten electric car models with the most applications for purchase premiums in Germany up to December 31, 2020. The purchase premium for electric cars is also known as the environmental bonus. Eligible for funding is the acquisition (purchase or lease) of an electric vehicle that is being registered for the first time and whose net list price of the base model does not exceed €60,000. The premium is shared equally between the federal government and the car manufacturer. By the specified date, a total of approximately 7,416 environmental bonuses had been applied for in Germany for the BMW i3 model, placing it tenth in the ranking.
Suitable for:
- 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
Environmental bonuses applied for in Germany for electric cars (2020 model year) – as of December 31, 2020
- smart EQ fortwo (model 2017 / BR453) – 13,726
- Volkswagen e-Golf (2017 model) – 13,105
- Volkswagen e-up! – 10,798
- Renault ZOE, Life (with battery rental) – 10,477
- Tesla Model 3 2020 – 9,715
- Volkswagen e-Golf – 9,633
- smart EQ forfour (model 2017 / BR453) – 8,607
- Mitsubishi Outlander Plug-in Hybrid, Plus – 7,860
- Tesla Model 3 Long-Range Dual Motor AWD – 7,643
- BMW i3 – 7,416
Environmental bonuses applied for for electric cars in Germany by applicant

Applications for environmental bonuses for electric cars in Germany by applicant – Image: Xpert.Digital
This statistic shows the number of applications for purchase premiums for electric vehicles in Germany up to June 2021, broken down by applicant. The purchase premium for electric cars is also known as the environmental bonus. Eligible for funding is the acquisition (purchase or lease) of an electric vehicle that is being registered for the first time and whose net list price of the base model does not exceed €65,000. As of the specified date, a total of 820 applications for the environmental bonus had been submitted by associations in Germany.
Number of environmental bonuses applied for for electric cars in Germany by applicant up to June 2021
- Companies – 340,985 electric cars
- Private individuals – 265,162 electric cars
- Corporation – 4,521 electric cars
- Companies with municipal participation – 2,887 electric cars
- Registered association, non-profit investor – 1,711 electric cars
- Municipal utilities – 1,221 electric cars
- Association – 820 electric cars
- Foundation – 330 electric cars
- Municipal association – 204 electric cars
- Private company – 5 electric cars
- Self-employed person – 2 electric cars
- Sole proprietor – 2 electric cars
- Registered cooperatives – 1 electric car
- Church, religious institution, recognized religious community – 1 electric car
Suitable for:
Environmental bonuses applied for for electric cars by federal state up to 2021
This statistic shows the number of applications for purchase premiums for electric vehicles in Germany up to June 2021, broken down by federal state. The purchase premium for electric cars is also known as the environmental bonus. Eligible for funding is the acquisition (purchase or lease) of an electric vehicle that is being registered for the first time and whose net list price of the base model does not exceed €65,000. As of the specified date, approximately 59,100 environmental bonuses for battery electric vehicles and 46,200 environmental bonuses for plug-in hybrids had been applied for in Baden-Württemberg.
Suitable for:
- Why solar carports are now important
- The growth industry of electric cars challenges the infrastructure
Number of environmental bonuses applied for for electric cars in Germany by federal state up to June 2021
Pure battery electric vehicles
- Baden-Württemberg – 59,118 battery electric vehicles
- Bavaria – 66,447 battery electric vehicles
- Berlin – 10,271 battery electric vehicles
- Brandenburg – 7,255 battery electric vehicles
- Bremen – 1,623 battery electric vehicles
- Hamburg – 6,603 battery electric vehicles
- Hesse – 26,197 battery electric vehicles
- Mecklenburg-Vorpommern – 2,862 battery electric vehicles
- Lower Saxony – 33,641 battery electric vehicles
- North Rhine-Westphalia – 91,752 battery electric vehicles
- Rhineland-Palatinate – 16,453 battery electric vehicles
- Saarland – 3,690 battery electric vehicles
- Saxony – 9,105 battery electric vehicles
- Saxony-Anhalt – 4,278 battery electric vehicles
- Schleswig-Holstein – 13,955 battery electric vehicles
- Thuringia – 6,146 battery electric vehicles
- Other (abroad) – 50 battery electric vehicles
Plug-in hybrid vehicles
- Baden-Württemberg – 46,179 plug-in hybrid vehicles
- Bavaria – 51,073 plug-in hybrid vehicles
- Berlin – 81.02 Plug-In Hybrid Vehicles
- Brandenburg – 5,672 plug-in hybrid vehicles
- Bremen – 1,759 plug-in hybrid vehicles
- Hamburg – 6,782 plug-in hybrid vehicles
- Hesse – 25,444 plug-in hybrid vehicles
- Mecklenburg-Vorpommern – 2,400 plug-in hybrid vehicles
- Lower Saxony – 23,313 plug-in hybrid vehicles
- North Rhine-Westphalia – 69,438 plug-in hybrid vehicles
- Rhineland-Palatinate – 13,390 plug-in hybrid vehicles
- Saarland – 3,076 plug-in hybrid vehicles
- Saxony – 8,358 plug-in hybrid vehicles
- Saxony-Anhalt – 3,797 plug-in hybrid vehicles
- Schleswig-Holstein – 8,485 plug-in hybrid vehicles
- Thuringia – 4,763 plug-in hybrid vehicles
- Other (abroad) – 52 plug-in hybrid vehicles
Fuel cell vehicles
- Baden-Württemberg – 23 fuel cell vehicles
- Bavaria – 33 fuel cell vehicles
- Berlin – 30 fuel cell vehicles
- Brandenburg – 8 fuel cell vehicles
- Bremen – 2 fuel cell vehicles
- Hamburg – 0 fuel cell vehicles
- Hesse – 13 fuel cell vehicles
- Mecklenburg-Vorpommern – 2 fuel cell vehicles
- Lower Saxony – 15 fuel cell vehicles
- North Rhine-Westphalia – 37 fuel cell vehicles
- Rhineland-Palatinate – 7 fuel cell vehicles
- Saarland – 0 fuel cell vehicles
- Saxony – 8 fuel cell vehicles
- Saxony-Anhalt – 11 fuel cell vehicles
- Schleswig-Holstein – 6 fuel cell vehicles
- Thuringia – 3 fuel cell vehicles
- Other (abroad) – 0 fuel cell vehicles
Total: Pure battery electric vehicles, plug-in hybrids and fuel cell vehicles
- Baden-Württemberg – 105,320 battery electric vehicles, plug-in hybrids and fuel cell vehicles
- Bavaria – 117,553 battery electric vehicles, plug-in hybrids and fuel cell vehicles
- Berlin – 18,403 battery electric vehicles, plug-in hybrids and fuel cell vehicles
- Brandenburg – 12,935 battery electric vehicles, plug-in hybrids and fuel cell vehicles
- Bremen – 3,384 battery electric vehicles, plug-in hybrids and fuel cell vehicles
- Hamburg – 13,385 battery electric vehicles, plug-in hybrids and fuel cell vehicles
- Hesse – 51,654 battery electric vehicles, plug-in hybrids and fuel cell vehicles
- Mecklenburg-Vorpommern – 5,264 battery electric vehicles, plug-in hybrids and fuel cell vehicles
- Lower Saxony – 56,969 battery electric vehicles, plug-in hybrids and fuel cell vehicles
- North Rhine-Westphalia – 161,227 battery electric vehicles, plug-in hybrids and fuel cell vehicles
- Rhineland-Palatinate – 29,850 battery electric vehicles, plug-in hybrids and fuel cell vehicles
- Saarland – 6,766 battery electric vehicles, plug-in hybrids and fuel cell vehicles
- Saxony – 17,471 battery electric vehicles, plug-in hybrids and fuel cell vehicles
- Saxony-Anhalt – 8,086 battery electric vehicles, plug-in hybrids and fuel cell vehicles
- Schleswig-Holstein – 22,446 battery electric vehicles, plug-in hybrids and fuel cell vehicles
- Thuringia – 10,912 battery electric vehicles, plug-in hybrids and fuel cell vehicles
- Other (abroad) – 102 battery electric vehicles, plug-in hybrids and fuel cell vehicles
- 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 Xpert.Solar offers consulting services for solar carports , solar systems and solar systems on flat roofs for Hamburg, Bremen and Berlin!
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 7348 4088 965 .
I'm looking forward to our joint project.
Xpert.Digital – Konrad Wolfenstein
Xpert.Digital is a hub for industry with a focus on digitalization, mechanical engineering, logistics/intralogistics and photovoltaics.
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