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EPC Services
in Plant Construction

From development to the operating phase – turnkey construction of photovoltaic power plants in the MW range

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EPC services from greentech

greentech is an experienced expert in the professional construction of turnkey photovoltaic plants in the MW range. We see ourselves as a reliable partner and advisor in the EPC process and, if desired, can take over all the necessary steps from plant planning to handover to the operating phase. We are based at the greentech locations in Munich and Hamburg. Currently, our main focus is on ground-mounted systems in Germany.

Our highly specialized team consists of experts with decades of experience in plant engineering, procurement and construction. We control every phase of the EPC process with routine and flexibility. In this way, we not only ensure sustainable plant quality – we also make a long-lasting and reliable contribution to green electricity production and the success of the energy transition.

We offer turnkey solutions in the MW range for:

PV ground mounted systems
PV ground-mounted systems
PV System with storage integration
PV systems with storage integration

Integrated approach enables implementation of best practice solutions

Not only our customers – we also care about a high and sustainable quality of the plants we build. That is why we at greentech work in an interdisciplinary way: We use the cooperation with the project development and the exchange of experience with the plant operations management. We incorporate the knowledge and experience gained from all areas of greentech into our projects. This results in practical, efficient and successful PV plants that are characterized by high availability and the best possible performance.

Construction example.

What you can expect from us

Best quality plants

We build high-quality and reliable solar power plants with high availability and the best possible yield – with many years of experience, technical as well as organisational know-how and a great passion for what we do.

A holistic, interdisciplinary approach

From project development to operational management, we use the interdisciplinary knowledge of the greentech group to build operator-friendly, low-maintenance solar power plants that are successful in the long term.

Long-term business relationships

We rely on sustainable, personal partnerships and cooperation based on trust. Independent from manufacturers, we are committed only to our customers – and to the high standards we set ourselves.

Deep market knowledge and a strong background

We routinely and flexibly manage all processes, trades and partners at eye level. We enjoy additional security thanks to the financially strong background of the greentech group.

Our services

We build energy systems with a future, contributing to the sustainable production of green electricity.

Individual range of services in the field of EPC

According to your individual needs we

implement your solar power plant as a full-service partner on a turnkey basis,

install components provided by the customer on request, or

accompany the construction of your solar power plant within the scope of EPC management.

 

As an experienced and reliable full-service partner, we implement your photovoltaic system on a turnkey basis: Taking into account all framework conditions from the project development and the given area characteristics, we create a completely individual and yield-optimised system design. Based on this, the detailed execution design for your project is carried out – including the required components and materials, cable route, access route and the grid connection. If desired, we use components provided by the customer. In this case, we match relevant steps such as plant and execution design and construction to the desired components.

 

Best quality for long term availability

When tendering and procuring the necessary components, construction materials and construction services, we pay particular attention to the quality offered: this represents an important factor for the long-term availability and the associated future performance of the plant. As part of EPC management, we provide support in the professional tendering of components and construction services as well as in the negotiation of contracts with suppliers.

 

Many years of experience and professional expertise in the construction phase

During the construction phase, we control and coordinate all trades and deliveries within the framework of coordinated logistics and time management. Through regular on-site inspections, we also ensure the quality of the project and the work safety of the execution during the construction phase. After testing and commissioning we operate the plant for several weeks to verify its performance. Once the plant performs as planned, we transfer the comprehensive documentation including the required plant certificate and handover a defect-free power plant to you as our customer – and to the technical and commercial management team in charge. As part of EPC management, we monitor, among other things, the quality and execution of construction and installation and ensure the implementation of the plant in accordance with the specified planning documents and the desired quality.

The process of plant construction
including preceding and following project phases

During the project development phase, we are happy to support you with individual topics such as site analysis, capacity and yield assessment, as well as all details regarding grid connection and planning permission. The project development usually ends with the handover of the development documents by the project developer to us, the EPC service provider, as part of the”technical due diligence package”.

  • Site analysis
  • Capacity and yield indications
  • Support with:
    • Grid connection
    • Financing
    • Permits
    • Soil examination

Development

 

  • Technical review and analysis
  • 3D planning and design
  • Layout variants and optimisation
  • Grid connection clarifications

Planning

 

  • Tender management and purchasing of all components and work
  • Quality assurance
  • Logistics to and within the site

Procurement

 

  • Setting out and surveying
  • Project management and coordination of all works
  • Construction supervision
  • Quality control, health, safety and environment

Establishment

 

  • Grid connection
  • Medium voltage line
  • Sensors
  • Commissioning
  • Testing phase
  • Documentation
  • Plant certification

Commissioning

Our EPC scope of work typically ends with documentation, acceptance and transfer to the operational phase. Of course, we are still available to answer on any queries. And if something does not work as planned, we support you as a reliable partner and comply with our contractual obligations. Ideally, the greentech group takes over the technical and commercial management directly to leverage on the synergies we have to offer.

  • Transfer to the Operation and Maintenance team
  • Guarantee and warranty management
  • Point of contact for plant operator or asset manager

Operations

Development

In the development phase, we are happy to support you with the individual topics such as site analysis, capacity and yield, as well as all details regarding the grid connection and the building permit if desired. Project development usually ends with the handover of the development documents by the project developer to the EPC service provider as part of a “technical due diligence”.

  • Location analysis
  • Capacity and yield indications
  • Support with:
    • Mains connection
    • Funding
    • Permits
    • Examination soil

Planning

 

  • Technical test
  • 3D planning and design
  • Variants and optimization
  • Mains connection explanations
Procurement

 

  • Tendering and procurement of all components and services
  • Quality assurance
  • Logistics to and on the construction site
Establishment

 

  • Measurement
  • Control and coordination of all trades
  • Site management
  • Quality control and occupational safety
Commissioning

 

  • Mains connection
  • Cable route
  • Sensors
  • Commissioning
  • Trial operation
  • Documentation
  • Certification
Operation

Our EPC scope of work typically ends with documentation, acceptance and handover to the operational phase. Of course, we will then continue to be available for any queries. And if something does not go as planned, we support you in the operating phase as a reliable partner and stand by our contractual obligations. Optimally, the greentech group takes over the technical and commercial management.

  • Handover to the operating phase
  • Warranty and guarantee management
  • Contact person for the technical operations manager

Selection of plants built by greentech

Großheirath,
Bavaria,
Germany

Completion: 2023
Power: 8,5 MWp
Modules: Trina Solar, type DE21
Inverter: GoodWe, type 250 kW
Substructure: CWF, 3 modules portrait

Untersiemau,
Bavaria,
Germany

Completion: 2023
Power: 7,11 MWp
Modules: Trina Solar, type DE21
Inverter: GoodWe, type 250 kW
Substructure: CWF, 3 modules portrait

Langwedel,
Schleswig Holstein,
Germany

Completion: 2023
Power: 4.2 MWp
Modules: Trina Solar, type DE21
Inverter: Huawei, type 215 kW
Substructure: Mounting Systems, 3 Modules Portrait

Wilsecker,
Rhineland-Palatinate,
Germany

Completion: 2023
Power: 4,98 MWp
Modules: Trina Solar, type DE21
Inverter: Huawei type 215 kW, GoodWe type 250 kW
Substructure: CWF, 3 modules portrait

Badem,
Rhineland-Palatinate,
Germany

Completion: 2023
Power: 17,15 MWp
Modules: Trina Solar, type DE21
Inverter: GoodWe, type 250 kW
Substructure: CWF, 3 modules portrait

Gindorf,
Rhineland-Palatinate,
Germany

Completion: 2023
Power: 2,7 MWp
Modules: Trina Solar, type DE21
Inverter: GoodWe, type 250 kW
Substructure: CWF, 3 modules portrait

Gransdorf,
Rhineland-Palatinate,
Germany

Completion: 2023
Power: 9,39 MWp
Modules: Trina Solar, type DE19 / DE21
Inverter: Huawei, type 185/215 kW
Substructure: CWF, 3 modules portrait

Orsfeld,
Rhineland-Palatinate,
Germany

Completion: 2023
Power: 8,35 MWp
Modules: Trina Solar, type DE19 / DE21
Inverter: Huawei, type 215 kW
Substructure: CWF, 3 modules portrait

Calbe, Saxony-
Anhalt, Germany

Completion: 2022
Power: 3.68 MWp
Modules: Trina Solar, type DE17
Inverter: Sungrow, type 250 kW
Substructure: Mounting Systems, 3 Modules Portrait

Contact

We are your experienced and reliable partner in the EPC process – for future-proof solar power plants of the highest quality and availability.
Lars Petzold plant engineering greentech
Lars Petzold

Managing Director

Lars Petzold has over 18 years of experience in the design and construction of solar power plants. In his activities for several well-known EPC companies, he was responsible for the procurement and implementation of over 500 MWp within Europe.
Florian Berger plant engineering greentech
Florian Berger

Managing Director

Florian Berger has over 12 years of experience in the construction of turnkey solar power plants with a focus on grid connection and certification, product and project management, and plant maintenance.
Aleksis Schäfer plant engineering greentech
Aleksis Schäfer

Managing Partner

Aleksis Schäfer is Managing Partner at greentech and is responsible for Finance in the EPC and in the Service business as well as for Data Science and Commercial Operations. He has been active in the PV industry since 2005, where he initially gained experience in M&A. He also worked as a management consultant for an international strategy consulting firm. Aleksis Schäfer holds a Master’s degree in Engineering Physics from Helsinki University of Technology.

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