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Reliable Communication Solutions for PV Power Plants

Our solutions PV plant IT and industrial control technology give you full control, the highest IT security, and maximum transparency over your power plant communication.

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Communication Solutions

Reliable PV communications and controllability of PV power plants

The communication capability of photovoltaic plants is of great importance due to increasing energy industry requirements and the resulting increase in interconnections.Many plants, especially older ones, cannot keep up with the requirements of modern power plant IT. An often rudimentary IT structure with simple routers, minimal firewall protection and dial-up without secure VPN access can become a security risk for the plant.
As specialists in the field of Power Plant IT & Industrial Control Systems (PPIT & ICS), we advise, support and configure your entire power plant IT individually and ensure a secure and reliable connection of all communication participants and communication flows, including the required control systems in the network. In addition to maximum data security, we focus on flexible concepts and comprehensive data transparency for all stakeholders. In addition to a secure power plant IT, we also advise our customers on power plant control issues. Among other things, we implement solutions in the areas of remote monitoring and control, direct marketing and resulting obligations, such as Redispatch 2.0.

pv power plant with remote monitoring and control system by greentech

When should you look for modern power plant communication for your PV system?

If you want your plant to be securely connected to the Internet and protected from unauthorised access
As specialists in the field of Power Plant IT & Industrial Control Systems (PPIT & ICS), we ensure a secure and reliable connection between all communication participants and communication flows, including the required control systems in the network. Data security and comprehensive data transparency for all involved parties are the focus of our concepts.

We design and implement PPIT & ICS solutions for power plants of all sizes, ranging from small photovoltaic systems to large-scale wind farms. Our experts use their extensive experience to develop customized solutions that meet the specific requirements of your project. We also provide ongoing support and maintenance to ensure that your system remains secure and reliable. With our PPIT & ICS services, you can have peace of mind knowing that your power plant is protected against cyber-attacks and other security risks.

If you want to bring your existing system up to the current state of communications technology
We bring existing plants up to the latest communications technology and configure an optimal IT infrastructure independently based on the local and structural conditions of the plant. We are also implementing individual components of the IT infrastructure, such as secure VPN access, a provider-independent SIM card, new plant routers with a dedicated firewall, or even special software solutions for data transmission. We also install control solutions in accordance with the applicable directives and standards.

This way, we can ensure that the plant runs smoothly and efficiently and that all data flows are secure and transparent. Our team of experts can also provide ongoing support and maintenance to ensure that the IT infrastructure is always up to date-and functioning properly. With our PPIT & ICS services, we aim to increase the performance, efficiency, and security of your plant’s communication network, resulting in a reliable and stable operation of your plant.

If you are looking for individual and customised power plant communication and the required control technology for your new plant
In new plants, we plan and implement the complete plant IT, including control technology. We care for a clean IT structure including documentation, secure and stable connections, and comprehensive transparency of all procedures and processes for the plant owner or operator. This ensures a functioning communication and control system is installed by day 1.

Furthermore, we ensure that the system complies with all applicable legal and regulatory requirements, including data privacy and cybersecurity regulations. Our team of experienced professionals works closely with clients to understand their unique needs and tailor solutions that best meet their requirements. We also offer ongoing support and maintenance services to ensure the continued performance and security of the system.

If you want to ensure reliable operation of your photovoltaic system.
Only a functioning PV solutions system can produce the intended electricity according to its design. For this reason, it must be possible to continuously monitor functions and performance. In addition, it must be possible to control and analyse the system remotely from various instances at any time. At the same time, data must be transmitted securely and access by unauthorized persons must be prevented. Our integrated plant communication ensures a secure connection of the plant to the internet. At the same time, it ensures the complete plant communication of all actors and grants the transparency necessary for the participants.

Integrated plant communication is crucial for the efficient and effective operation of a solar power plant. Our experts ensure that the plant communication system is customized to meet your specific needs and requirements. We use state-of-the-art technology to enable remote access and control, real-time monitoring, and secure data transmission. We also provide regular updates and maintenance to ensure that your plant communication system remains up-to-date and runs smoothly. With our comprehensive plant communication solutions, you can ensure the maximum performance and profitability of your solar PV solutions.

If you want to implement additional control solutions within the scope of power plant communication.
Beyond secure power plant IT, we also provide our customers with advice on power plant control issues. Among other things, we realize PV monitoring solutions in the areas and control, direct marketing, and resulting obligations, e.g. Redispatch 2.0.

We work closely with our customers to understand their specific needs and requirements when it comes to power plant control. This allows us to provide tailored advice and support, whether it be in the form of implementing a comprehensive monitoring system, providing assistance with direct marketing, or ensuring compliance with regulations like Redispatch 2.0. Our goal is to help our customers maximize their plant’s performance and profitability while ensuring regulatory compliance and operational efficiency.

If you are subject to reporting obligations in case of IT incidents and malfunctions and have to prove technical and organisational measures for IT security.
We implement power plant IT and plant communication in a KRITIS-compliant manner in accordance with the applicable requirements for the energy industry. We are happy to advise you on possible security or reporting concepts for power plant communication and integrate them according to your individual needs.

To ensure the highest level of security and compliance, we follow strict guidelines and regulations for KRITIS-compliant implementation of power plant IT and communication systems. This includes implementing security measures such as access controls, encryption, and intrusion detection systems, as well as following established reporting protocols. Our team of experts can provide tailored advice on how to implement these measures and ensure that your power plant IT and communication systems meet all necessary requirements.


Talk to our specialists at greentech about your needs in terms of communication solutions

Individual and integrated solutions

Our individual and integrated Power Plant IT & ICS solutions offer:

  • Maximum IT security through fully protected and encrypted internet connection in accordance with the IT security regulations of ISO 27001, ISMS, BSI EnWG Sect. 11 (1a) and the BDEW white paper “Requirements for secure control and telecommunications systems”
  • KRITIS suitability according to the requirements for the energy industry
  • GDPR compliance through appropriate control and authorisation systems
  • Full data transparency for all relevant users
  • Consideration of special requirements of other stakeholders, such as plant operators, insurers, direct marketers or energy providers, for example in retrofit and repair issues such as existing plants according to BDEW MSR 2008
  • Solutions to meet legal requirements and guidelines as part of power plant control, such as certified energy production plant controllers according to VDE-AR-N 4110/4120 or direct marketer interfaces
Fully protected and encrypted internet connection
Software solutions for commercial photovoltaic installations

Modular system offers individually tailored solutions for every plant situation:

On request, we offer our services as a full-service package: from the required hardware, relevant software and secure internet access to IT service with both on-site support and remote diagnostics. For this, we prefer to use our own, self-developed products and IT solutions as they work in an integrated manner and enable a comprehensively planned and implemented IT infrastructure and plant communication. However, many components can also be implemented in an individual or modular form – depending on the existing framework conditions They can be useful to increase security standards, improve communication processes and reduce costs at the same time.

  • Router and Firewall
  • Software solutions
  • Regular data back-ups and firmware updates
  • Provider-independent SIM card
  • VPN service for a protected power plant communication
  • Special solutions, e.g. for KRITIS systems
  • Control solutions

Our range of services for PV power plant communication solutions

Would you like to find out more?

Our Powerplant IT/ICS catalogue provides a concise overview of power plant communication services by greentech.


  • greenCOM communication cabinet
  • VPN service greentech Digicluster
  • greenSIM
  • greenAPPs
  • greenCARE
  • Control concepts
  • Power Plant IT Security Audit
  • Additional consulting services
Brochure download greentech PV powerplant IT & communication Service catalogue

Why work with greentech?

Years of experience


Professionals in our team

under management

About greentech

With advice and action at your side - in every phase of your project

greentech is an integrated PV specialist. The range of services includes project development, system design, construction, operation and management of PV power plants in Europe. In the area of operational management, we offer a full-service operational management concept for PV plants of all sizes with an interdisciplinary team of experienced experts, as well as services for planning, quality assurance and yield maximisation. With a comprehensive range of services and a current portfolio of more than 1 GWp in operational management, we are one of the largest independent service providers worldwide. As an integrated PV specialist, greentech also covers the areas of project development and plant construction.

Your greentech specialist for
Power Plant IT & ICS

Max Langkabel

Manager Power Plant IT & ICS

The implementation of the best possible IT security is a core component of the O&M services at greentech and indispensable for successful, reliable power plant communication. Max Langkabel is manager of the Power Plant IT & ICS department at greentech. He ensures a secure connection of photovoltaic power plants to the Internet and is responsible for the planning and implementation of complex concepts for plant communication and control as well as the development of software and hardware solutions.

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