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100% CUSTOMER SATISFACTION Our engineering and scientific know-how guarantees the highest technical-economical feasiblity of solutions for your energy needs.




BUSINESS & CONTACT INFORMATION Business name: Grün leben GmbH General manager: Wassim Ayoubi Company registration number: Amtsgericht Stuttgart HRB 746019 Address: Obere Waiblingerstr. 164, 70374 Stuttgart, Germany Tel: +49-(0)711-93 5 92 810 Fax: +49-(0)711-93 5 92 811 Mobile: +4917677937550 E-mail: [email protected] Website: www.gruen-leben.com Banking details: Bank: BW-Bank Branch: Stuttgart Account number: 11955 29 IBAN: DE46 6005 0101 0001 1955 29 BIC: SOLADEST600 USt-IdNr.: DE 291 902 299 Tax number: 99008/05362











ABOUT US Grün leben GmbH is an internationalin Germany based company developing precise, high-performance projects for substation installation and providing energy solutions and services that expand the use of solar and wind power. We provide solar energy consultancy service also.

essary for everything from site selection to operations phases for wind and solar power plant projects. Our consultants complete every project efficiently, effectively, and error-free, maintaining a professional manner grounded on the latest research.

Our expert engineers and consultants provide professional support at project design, analysis, and implementation phases. Our team monitors all technological developments and applies the latest industry developments combined with their extensive know-how.

We empower our sustainability concepts with cutting-edge tools and software, utilized by our experience and innovative insight.

Grün leben GmbH provides high-powered consultancy services to its customers with a primary focus on the quality value, performing exhaustive data gathering nec-



B.Sc. Wassim Ayoubi Founder / General Manager


assim Ayoubi leads the Grün leben GmbH team. He brings over 20 years of experience in the construction industry, with vast knowledge of the Construction Market in The Middle East and Europe Region. He has worked with several procurement projects in Germany, Dubai, Doha and the Maldives – providing cost effective construction solutions. Wassim aims to bridge the company’s network of suppliers in Europe to the rising demand in the Middle East Region. Fueled by his passion and knowledge in the industry, Wassim is a pivotal person in Grün leben ‘s strategic operation of the business.

M.Sc. Amjad Ayoubi Technical Manager


mjad Ayoubi is a renewable energy expert with wide range of technical experties in the fields of electronics and renewable energies.

Amjad oversees all technical matters companywide and manage our technology support team and ensures that all technical procedures, documentations and standard policies are put in place. He makes a decision on what is best for our clients to meet budgeted financial performance in an efficient, timely manner.

Some of his notable projects include:

Some of his notable projects include:

» » » » » » » » » »

» Medius-Klinik Ostfildern-Ruit - Germany » Wilhelm Palais - Germany » ProTarget Parabolic Trough Power Plant - Germany » Mobsi Mercedes-Benz - Germany » 85 MW collective Photovoltaic Power Plants - Qatar, Saudi-Arabia, Emirates, Uganda, Ghana and Kenya » 12 MWth collective Solar Thermal Cooling Systems - Qatar, Egypt

Ithaafushi Island Resort – Maldives Curio by Hilton Hotel - Doha Mall of Qatar - Doha Sheraton Convention and Resort - Doha Banana Island Resort – Doha Private Villas and Palaces – Doha & Dubai Dubai Mall Project – Dubai IBN Batuta Shopping Mall - Dubai Al Murooj Rotana Hotel – Dubai Various Residential Building



VISION STATEMENT There is no doubt that humanity must face climate change on many fronts. Many governments, organizations, companies and individuals are trying to decelerate and potentially even reverse the process of global warming that is threatening the world as we know it today. These pioneers are looking to emerging green technologies, practices, and social transformation in order to succeed in the battle against climate change. Grün leben GmbH aims to contribute to this battle, through the promotion of solar energy. We believe that with the need for change, humanity will surface stronger and more resourceful in the future. Grün leben GmbH envisions that the world will one day predominantly use renewable energy sources, breaking the chains of our addiction to fossil fuels and changing our destructive habits in energy and resource consumption. We envision a world where energy management will be smarter and more efficient, which in combination with new technologies, will assure our wellbeing and will lead the human race to new frontiers.


MISSION STATEMENT Our mission is to provide the highest quality cost effective renewable energy power products and services to customers that are interested in reducing energy costs and carbon footprint. Our values include: Ethics and Integrity for accountability, honesty and openness in every aspect of our business.








PV Systems for all performance ranges 01



Residential PV power systems

Commercial PV power systems

Up to 30 kW

30 - 500 kW

Residential PV power systems

Up to 30 kW

Commercial PV power systems

30 - 500 kW

Utility-scale PV power systems

> 1 MW

Utility-scale PV power systems

> 1 MW

Grün leben GmbH offers a complete range of solar energy services, from feasibility study through to turnkey installation. Our experts support you professionally and independently in every phase of your PV project.

OUR SER V ICES CONSULTING AND FEASIBILITY STUDIES: During the feasibility stage, our goal is to determine if your project is buildable and financeable. Working with our professionals can save you development capital later on. ENGINEERING AND DESIGN: Our engineers specify every element of your PV system, this includes: • Type and quantity of Solar Modules • Size and quantity of inverters • Associated AC and DC feeders • Accurate estimate of potential energy production • Short circuit and available fault current analysis of DC system • Cost Estimating SOURCING AND PROCUREMENT: We believe in a holistic approach to procurement which means pricing is only part of our analysis. We look very closely at the total return and risk profile including: price, payment terms, warranty terms, provider balance sheet, and technical specifications. CONSTRUCTION SUPERVISION: We provide you with professional construction supervision, specifically tailored to safeguard the successful completion of your project. Our highly experienced personnel can effectively control and supervise every aspect of your construction work.

As an independent third-party, we can help you: • Gain an experienced team of experts, placed on site, to implement and execute your project effectively and in-line with Project Management Institute guidelines • Keep your construction project on schedule, reduce technical risks and prevent construction errors through our continuous supervision • Comply with the relevant regulations, quality standards and insurance company guidelines • Ensure all work conforms to the specified technical documentation and the construction permit • Complete and issue all documents, certificates and declarations correctly. OPERATION & MAINTENANCE: Our O&M Services include: • Preventive, predictive, and corrective maintenance • Long-term maintenance planning with equipment manufacturers • Creation and update of technical training and PERFORMANCE TESTING procedures • System testing and project approvals in accordance • Emergency response with IEC 62446 / DIN EN 62446 (VDE 0126-23) • Field telemetry testing and calibration • Performance tests on the basis of IE C 61724, yield analysis and optimization • Module examination, characteristic measurements, mobile laboratory tests PSTC / EL / IR, IR thermography • PV system certification • Preservation of evidence- and damage assessment for insurance companies, public institutions, courts.



CONCENTRATED SOLAR POWER SYSTEMS Concentrated Solar Power (CSP) systems are characterized by focusing solar radiation with the help of reflectors onto a receiver, where the radiation is absorbed and transferred to heat. A heat transfer fluid (HTF) carries the heat from the receiver to a heat engine, i.e., a steam or gas turbine, connected to an electrical power generator. CSP is a unique form of solar energy because it can serve as a baseload power source, just like a coal or natural gas combined-cycle power plant, generating electricity on a 24-hour cycle. CSP can also serve as a flexible source of electricity by providing electricity when needed; it can accompany photovoltaic or wind power, just like a natural gas simple-cycle power plant, to assist in power generation when the sun isn’t shining or when winds are calm. CSP plants can provide this service because they convert the sun’s rays into thermal energy, allowing for it to be easily and inexpensively stored for later use. This makes it possible for solar energy to power our lives whenever that power may be needed.

Typical capacity: 0.01-0.025 MW

Typical capacity: 10-200 MW

Typical capacity: 10-200 MW

Typical capacity: 10-300 MW

Operating Temperature: 550-750°C

Operating Temperature: 390°C

Operating Temperature: 250-565°C

Operating Temperature: 350-550°C

Plant peak efficiency: 30%

Plant peak efficiency: 18%

Plant peak efficiency: 23-35%

Plant peak efficiency: 14-20%

Annual solar-to-electricity efficiency: 12-25%

Annual solar-to-electricity efficiency: 13%

Annual solar-to-electricity efficiency: 7-20%

Annual solar-to-electricity efficiency: 11-16%


OUR SERVICES: Grün leben GmbH offers premier consulting services to clients interested in implementing solar thermal technology. We are the experts who can answer your questions, make recommendations and find the solutions to your solar thermal-related challenges. Our consulting services are ideal for business owners who: - Need an experienced solar thermal professional to oversee an installation. - Want to learn more about solar thermal technology in order to determine whether it is a good fit for their business. - Need help developing the right mix of solar thermal products for their facility. - Need a second opinion on existing plans to implement solar thermal technology.

ENGINEERING & DESIGN: - solar tower power plant concepts (tower, heliostats, heliostat field layout) - design of point-focusing systems: CPV, Dish/Stirling - Optimization of solar field thermal output - Optimization of solar field optical performance

CONSULTANCY: - technology consultancy on all solar power systems - feasibility study - Technical reviews, supervisions - Due diligence - independent assessment of technologies and concepts, technical due diligence - calculation of efficiency and solar energy yield - calculation of levelised cost of energy (LCoE) - site search and evaluation, supervision of soil surveys - Power plant performance modeling - Statistical solar field modeling - Ray-tracing analysis of concentrators


- Water heating - Space heating - Drying - Solar cooling - Distillation - Low temperature process heat


- Air heating - Cooking - Refrigeration - Process heat - Distillation - Decentral power generation


- Process heat - Power generation


- Power generation



REFERENCES Germany - Development of control and regulation system of parabolic trough solar fields. - Design and optimization of solar power tower system’s solar field.

Guatemala Techno-economic feasibility study of a 5000 g / m solar powered water supply system in Santa Maria de Jesus.


Egypt: Techno-economic feasibility study of a 12 MW parabolic trough system for process heat industrial application.

Qatar: Techno-economic feasibility study of: - 2 MW photovoltaic system for an industrial application - 16 MW photovoltaic system for a commercial application - 55 MW photovoltaic system for a commercial application - Solar thermal based 4 MW solar cooling system for an industrial application

Saudi-Arabia: Techno-economic feasibility study of a 400 kWp photovoltaic system for a commercial application.

United Arab Emirates: Techno-economic feasibility study of a 300kW Photovoltaic system for a metal factory.

Uganda: - Design of a solar biogas hybrid mini-grid for the electrification of a village “Bunabumali” in the district of Bududa. - Design and implementation of a solar powered water supply system in Bududa district. - Design and implementation of a 20 kW photovoltaic system for a school in Kamuli.

Ghana: - Design and implementation of a 10 kW photovoltaic system, Have, Volta region. - Desin and implementation of a solar powered water supply system, Have, Volta Region.

Maldives: Techno-economic feasibility study of a 10 MW photovoltaic system for a new resort.

CONTACT INFORMATION Obere Waiblingerstr. 164, 70374 Stuttgart, Germany +49 176 73575896 +49 711 47981584 +49 711 47981585 [email protected] www.gruen-leben.com

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