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Business Innovator - Xpert.digital - Konrad Wolfenstein
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⭐️ Renewable energies

Renewable energies: solar & photovoltaics – advice and planning
Renewable energies: Solar & Photovoltaics – Consulting and planning – Image: Xpert.Digital

 

an industry expert in the fields of mechanical engineering, logistics and photovoltaics , I write here in my

 

The best way to reach me is at: wolfenstein@xpert.digital or by phone: 089 / 89 674 804

 

Depending on the technology used, electricity from renewable energies can be produced significantly cheaper than electricity generated in conventional power plants. This is shown by a study by the Fraunhofer Institute for Solar Energy Systems ISE. Accordingly, electricity from gas turbines and hard coal-fired power plants is the most expensive to produce.

 

Photovoltaic systems convert solar radiation into electrical energy using solar cells. In a global comparison, Germany was recently one of the leading countries, along with China, the USA and Japan, in the use of photovoltaics to generate electricity.

 

In Germany, the installed capacity of photovoltaic systems increased continuously. In 2020, photovoltaic systems with an output of around 54 gigawatts were installed in Germany. The electricity generated by this amounted to around 51 terawatt hours of electricity in the same year. The largest capacities for generating solar power are in the south of Germany. Bavaria is currently by far the federal state with the largest capacities, followed by Baden-Württemberg.

  • Virtual power plants and direct marketing

    ▶️ Virtual power plants and direct marketing

    Virtual power plants and direct marketing are revolutionizing the energy world! | Find out how renewable energies are efficiently bundled and marketed. | Discover the connection between technological platform and energy market. | Virtual power plants are driving the energy transition. | Direct marketing: More added value through smart energy trading. | Flexible control of electricity from wind, sun, etc. easily explained. | Get to know sustainable solutions for a green future. | Understanding innovative energy concepts for tomorrow's markets. | Why both concepts are indispensable for the modern energy industry. | | Technology and business united: insights into the key technologies of the future! [...]

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    Virtual power plants: decentralized energy, centrally controlled - stable networks through networking - optimize electricity production and consumption

    ▶️ Virtual power plants: decentralized energy, centrally controlled - stable networks through networking - optimize electricity production and consumption

    Virtual power plants combine decentralized energy sources and control them centrally. | Networking enables optimal coordination of electricity generation and consumption. | Small systems are combined to form a powerful, large-scale virtual power plant. | Optimized electricity usage ensures stability in the networks. | Efficient energy distribution reduces losses and saves costs. | Sustainable solutions promote renewable energies and climate protection. | Flexibility through intelligent control compensates for fluctuations. | Energy storage and real-time data management ensure supply around the clock. | Digital technologies create transparency and increase efficiency. | Virtual power plants are a key to the energy transition. [...]

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  • Dimensioning the PV system (number of modules and output) according to current needs or safety and feel-good factor?

    ▶️ Dimensioning the PV system (number of modules and output) according to current needs or security and feel-good factor?

    Demand-based planning: Optimize the dimensions of your PV system for your current energy consumption. | | Sustainability in focus: Benefit from environmentally friendly energy production. | More comfort: Take safety and the feel-good factor into account when dimensioning. | Flexibility: Plan your PV system with future energy needs in mind. | | Safety: Oversized systems ensure power reserves and independence. | Cost-benefit analysis: Find the ideal balance between savings and investment. | Climate-friendly: Reduce your CO2 footprint with a tailor-made PV system. | Maximum efficiency: Rely on the right number of modules and performance. | Economic efficiency: Save in the long term through optimized energy costs. | Individual advice: Find a tailor-made solution for your needs. [...]

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    The winter strategy for PV systems in the 'dark months': optimization potential through energy storage, microinverters and dimensioning

    ▶ ️ The winter strategy for PV systems in the 'dark months': optimization potential through energy storage, microwicer and dimensioning

    | | Discover how you can get the most out of your PV system in winter! | Energy storage: Ensuring efficient use of stored energy. | Microinverter: Maximize energy yield in low light. | Optimal dimensioning: Perfect coordination of modules and technology. | | Strategies for the “dark months” – use the full potential of your system! | | Tips for optimizing in low sunlight conditions. | | Solutions for winter challenges in PV systems. | | Maintenance and care: This is how your system stays efficient. | Innovative energy management for the cold months. | Maximize environmental friendliness despite winter. | Sustainable strategies for energy independence in winter. [...]

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  • Solar paint: Solar paint with a range of 12,000 km? The solar paste from Mercedes Benz doubles the range of electric cars

    ▶️ Solar paint: Solar paint with a range of around 20,000 km? The solar paste from Mercedes Benz doubles the range of electric cars

    Innovative solar paste for Mercedes-Benz electric cars! | A revolution in electromobility! | Doubles the range of your electric car. | Sustainable and environmentally friendly mobility. | Up to 20,000 km additional range per year! | Solar painting as a future-oriented technology. | Perfect combination of efficiency and design. | | Technological progress thanks to cutting-edge research. | Harnesses the power of the sun for maximum performance. | Makes electric cars even more attractive and practical! [...]

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    Is Japan's transition from the feed-in tariff system (FIT) to the feed-in premium system (FIP) model a possible global success model?

    ▶️ Is Japan's transition from the feed-in tariff system (FIT) to the feed-in premium system (FIP) model a possible global success model?

    Japan's switch from FIT to FIP: An exciting future model! | How does the feed-in premium system work? | Potential for a global success model for the energy transition. | Promoting renewable energies in a new way. | | Why Japan is revolutionizing its energy policy. | Innovative approaches for a sustainable energy future. | Flexibility instead of fixed tariffs: The advantages of the FIP system. | Promoting green energy more efficiently – a look at Japan. | Can Japan's model serve as a role model for the world? | A step towards the global energy transition! [...]

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  • Status and development of PV systems in Japan. Especially in the area of ​​solar parks, solar parking spaces and PV roof systems

    ▶️ Energy transition and solar energy 2.0: How Japan is setting standards with solar parks, photovoltaics on roofs and parking lots

    Japan is setting new standards in the energy transition through innovative solar projects. | | Large solar parks use unused areas for clean energy. | Photovoltaics on roofs drive decentralized energy supply. | Solar systems in parking lots combine sustainability with functionality. | Advanced storage systems secure solar energy at night. | Smart technologies network solar systems for maximum efficiency. | Japan shows how climate protection and innovation go hand in hand. | Reduction of CO₂ emissions through consistent use of renewable energies. | | Role model for the world when it comes to solar energy 2.0. | The future belongs to clean, sustainable and smart energy! [...]

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    This is how much space the sun needs: How much space does a solar park need at least to be able to be operated economically?

    ▶️ This is how much space the sun needs: How much space does a solar park need at least to be able to be operated economically?

    The sun needs so much space! | Find out how much space a solar park needs to be economical. | How many square meters per kilowatt of installed capacity are necessary? | Which areas are best suited for photovoltaic systems? | Difference between small and large solar parks clearly explained. | Tips for optimizing efficiency and space utilization. | Sustainability: Solar energy as the key to the energy transition. | What costs and income are associated with area planning? | Important factors to consider when choosing a location. | How to plan future-proof and profitable solar projects! [...]

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  • Key role in high-tech developments: How Japan's TDK is advancing robotics, green energy and AR/VR

    ▶️ Key role in high-tech developments: How Japan's TDK is driving robotics, green energy and AR/VR

    Revolutionary advances in robotics. | Promoting renewable energy solutions. | Sustainability through green technologies. | Global innovation from Japan. | | Precise development for AR/VR systems. | Leader in electronic components. | Driver for high-tech future markets. | Pioneer in research and development. | Inspiration for technological breakthroughs. | Dynamic influence on modern markets. [...]

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    German idealism and Chinese pragmatism: China's decarbonization between strategic calculation and global influence

    ▶️ German idealism and Chinese pragmatism: China's decarbonization between strategic calculation and global influence

    China's Path to Decarbonization: Strategic Action with Global Impact. | | How China's pragmatism is revolutionizing the world of energy. | | From fossil fuels to a green future - China's consistent plan. | Idealism vs. Pragmatism: Different Paths to Decarbonization. | Electromobility, solar energy and more – China's green technologies in focus. | Revolution in industry: How China is sustainably transforming itself. | A global pioneer? The impact of China's climate policy on the world. | Collaboration or competition? What other countries can learn from China. | Strategic Calculus: China's Long-Term Plan for a Carbon-Free Future. | Progress with purpose: How China is accelerating decarbonization. [...]

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  • Japanese car manufacturers such as Honda, Nissan and Toyota are losing more and more market share to China

    ▶️ China market shares are shrinking: Why Japanese car manufacturers like Honda, Nissan and Toyota are falling behind in China

    Losing market share: China's car market is showing a shift away from Japanese manufacturers. | Strong competition: Local brands and electric vehicles are entering the market massively. | Changing preferences: Chinese consumers increasingly prefer domestic brands. | Electric boom: The demand for electric cars is changing the entire industry. | | Japan under pressure: Honda, Nissan and Toyota are fighting for their market presence in China. | Technological progress: Chinese manufacturers are developing rapidly. | Need for innovation: Japanese brands need to rethink their strategies. | Production strategy: Adaptation to local needs is becoming increasingly important. | Regional challenges: Market entry barriers and geopolitical tensions have an impact. | Future strategies: Japanese car manufacturers are relying on new technologies and partnerships. [...]

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    Building permit requirement? Whether carport or solar carport - in principle subject to approval, but not always necessary!

    ▶️ Building permit requirement? Whether carport or solar carport – in principle subject to approval, but not always necessary!

    Looking for building permits for carports and solar carports? Here's the information! | In some German federal states, permits are required for carports. | Other regions even allow construction without prior approval! | | Depending on the federal state, the regulations vary considerably. | Find out where you can easily build solar. | Particularly environmentally friendly construction methods sometimes have exceptions. | Protect your car with a carport, with or without a permit. | Discover which federal states have more generous rules. | Before you start building, do your research. | | Find out about the building law details in your region! [...]

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  • Quotes from experts on the efficiency of heat pumps

    ▶️ Quotes from experts on the efficiency of heat pumps

    Discover how experts describe how heat pumps work and save energy. | Get inspired by expert opinions on optimizing heat pump performance. | Expert analyzes show the cost effectiveness of modern heat pump technologies. | Learn why experts see heat pumps as the key to the energy transition. | Experts explain how heat pumps help reduce the carbon footprint. | Find out what experts say about future developments in the heat pump market. | Experts emphasize the role of heat pumps in energy-efficient home construction. | scientifically based insights into technological advances in heat pumps. | Discover expert opinions on the challenges and solutions when using heat pumps. [...]

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    The hidden obstacles in Germany: Why your solar system still has to wait after installation

    ▶️ The hidden obstacles in Germany: Why your solar system still has to wait after installation

    Sun usable? - Discover the unexpected challenges after installing your solar system. | Approvals - Why bureaucratic hurdles can delay your investment. | Grid connection - Learn more about the challenges of connecting to the power grid. | Waiting times - The reasons for long waiting times before your solar system is put into operation. | | Regulations - Which legal regulations affect the installation. | Documentation - Why complete documentation is so important. | | Technical Inspections - Necessary tests and inspections that may take time. | Subsidies - delays in government subsidies and their effects. | Environmental requirements - How environmental standards can cause delays. | Patience required - tips to make the most of the waiting time. [...]

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  • The downside of the solar system boom: Installed does not mean ready for operation - be careful

    ▶ ️ The dark sides of the solar system boom: Installed does not mean operational-be careful with 'turnkey system'

    The boom in solar systems doesn't just bring with it sunny sides. | Not every 'turnkey system' is actually ready for operation. | | Consumers should pay particular attention to hidden costs. | | Installation defects can require expensive rework. | Irregular maintenance often leads to performance problems. | | ‍ | | Be careful of unreliable providers and dumping prices. | Thorough research and advice are essential. | Quality has its price and pays off in the long term. | A well-installed system can revolutionize your energy budget. | Responsible use of solar energy protects the environment. [...]

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    What advantages do heat pumps offer compared to other heating systems?

    ▶️ What 8 advantages do heat pumps offer compared to other heating systems?

    Heat pumps are environmentally friendly because they use renewable energy sources. | They are energy efficient and can significantly reduce energy consumption. | Heat pumps offer both heating and cooling and can therefore be used flexibly. | In the long term, they lead to savings in heating costs. | The installation may qualify for government funding and subsidies. | They work quietly and therefore do not disturb the peace and quiet at home. | The maintenance effort is relatively low compared to other heating systems. | They help reduce CO2 emissions and thus support climate protection. | Heat pumps improve indoor air quality because they do not require combustion. | With modern technology, they are a future-proof investment in building technology. [...]

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  • Heat pumps are four times more efficient than oil heating systems - but the 70% subsidy is wasted

    ▶️ Heat pumps are four times more efficient than oil heating systems - but the 70% subsidy is waste

    Efficiency: Heat pumps are up to four times more efficient than conventional oil heaters. | Environmentally friendly: They offer a sustainable alternative and significantly reduce CO2 emissions. | Funding: Unfortunately, the promised 70% funding often turns out to be insufficient. | Transparency: Many consumers face bureaucratic hurdles when applying for funding. | Implementation: Despite the challenges, many are investing in this technology for future-proofing. | Cost savings: In the long term, heat pumps can significantly reduce energy costs. | | Comparison: A direct comparison makes the advantages of higher efficiency clear. | Maculative funding: Reality shows that funding is often just an empty promise. | Household: For the individual, this often means higher initial investments. | Solution: The question remains how policies need to be adjusted to provide real support. [...]

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    Hybrid power plants consisting of solar, wind, hydropower and battery storage

    ▶️ Hybrid power plants consisting of solar, wind, hydropower and battery storage

    Discover the future of energy generation with innovative hybrid power plants! | | Use the power of the sun to generate sustainable electricity. | | Wind power perfectly complements nature's energy sources. | Hydropower ensures a steady and reliable energy supply. | State-of-the-art battery storage secures your energy reserves. | Sustainability is at the heart of our energy supply solutions. | Maximize efficiency by combining multiple energy sources. | Actively contribute to environmental protection and reducing CO2 emissions. | Ideal for households and companies that value renewable energy. | Experience the synergy of solar, wind, water and storage in one system! [...]

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  • The hybrid power plant: From rain, wind and sunshine to the socket

    ▶️ The hybrid power plant: From rain, wind and sunshine to the socket

    Using wind power: Wind turbines capture the energy of the wind to convert it into electrical power. | Regenerated energy: Hydroelectric power plants use rain to generate energy from rivers and dams. | | Capture the sun's rays: Photovoltaic systems convert sunlight directly into electricity. | Hybrid power plant: The combination of wind, water and solar maximizes energy production. | Efficient storage: Modern storage technologies ensure the constant availability of electricity. | Environmentally friendly: Hybrid power plants minimize CO₂ emissions and are more sustainable than fossil fuels. | Direct feed-in: The energy generated is fed efficiently into the power grid. | Energy to the socket: Consumers benefit from clean electricity directly from renewable sources. | Future technologies: Continuous innovations improve the efficiency and capacity of these power plants. | Together for the future: Hybrid power plants are an important step towards the energy transition and climate protection. [...]

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    DOGE co-head Elon Musk in the new Trump administration: An opportunity for global climate protection?

    ▶️ DOGE co-head Elon Musk in the new Trump administration: An opportunity for global climate protection?

    Efficiency: PV parking systems make optimal use of existing areas and generate clean energy | Weather protection: They offer cars protection from sun and rain, which preserves the vehicle's value. | Energy source: Parking spaces become sustainable energy sources that reduce CO2 emissions. | Storage option: The energy generated can be used directly or stored. | | Construction reservations: Construction hurdles and high initial investments often deter investors. | Payback period: The long payback period is often perceived as an obstacle. | Cost Factors: Installation can seem expensive without considering the long-term savings. | Infrastructure: Integration with e-charging stations significantly promotes electromobility. | | Maintenance effort: Lower than often assumed, which saves costs in the long term. | Environmental benefits: A contribution to green energy and combating climate change. [...]

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