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For any new grid connection with a capacity >125kW, the Danish grid operators require power-generating plants to be equipped with an interface enabling real-time exchange of signals. This system allows your grid operator to remotely monitor and control the power injected into the grid.
This measure is essential for managing grid stability in real-time. As more renewable energy sources connect to the grid, it’s a necessary tool to prevent local grid congestion or voltage quality problems by remotely adjusting the output of large installations.
The communication interface is used for the regulation of large, decentralized energy resources. It is mandatory for any new power-generating plants connected to the grid after 27 April 2019 with a production capacity of 125kW or more.
Its primary function is to allow the grid operator to safeguard the network by sending setpoints to your installation, for example, instructing it to reduce its total active power output.
This is achieved through a secure, direct link between your installation and your DSO’s control system. Discover the legal framework, advantages, technical design, and the equipment you need to comply.
The requirements stems from European legislation, specifically the Commission Regulation (EU) 2016/631, known as the
Requirements
for Generators (RfG). This regulation aims to create a harmonized set of rules for grid connection across the European Union.
In the RfG, the Article 14.2(b) addressing Type B units (1 to 50MW capacity)
specifies that grid operators can require an interface to remotely control
these units’ output in case of serious grid instability. The grid
operators must specify its requirements.
In Denmark, the technical implementation can be found in Energinet’s Technical Regulations, and is more detailed in specifications from individual DSOs, based on both the RfG and the Danish Electricity Supply Act. Note that in Denmark, Type B units start from 125kW.
See Green Power Denmark (Elnet) requirements.
The mandatory implementation of this system is a direct response to the challenges of integrating a growing number of renewable energy sources. Grid congestion and voltage quality are major challenges across Europe.
For asset owners, compliance is a prerequisite to get your project connected to the grid. By installing the right equipment, you ensure your large-scale renewable projects can be connected to the grid. This allows your assets to become active participants in a more stable energy system.
The setup involves a clear division of responsibilities between you, the asset owner, and your DSO. The system consists of two main components:
1. The DSO RTU This is supplied by your grid operator and installed at your site.
2. The Customer RTU: You, the asset owner, are responsible for installing your own asset controller. This unit serves as the crucial link between the DSO RTU and your on-site energy assets (inverters, turbines, batteries).
The connection between your controller and the DSO RTU uses a standard, shielded Ethernet connection. It often communicates via the
IEC 60870-5-104 protocol.
Your controller’s main task is to interpret the setpoints from your grid operator and intelligently distribute it among your individual assets.
Click on the (simplified) diagram to enlarge it.
As an asset owner, you are required to install a reliable and compliant Customer RTU. The Teleport Gateway is designed specifically for this role, and already comply with N1 and Cerius (you can request to add your DSO by contacting us). We have extensive experience with these types of grid operator requirements, as the Teleport is also one of the leading certified RfG-compliant solutions in several countries, including the Netherlands, Greece and Belgium.
The Teleport is a brand-independent asset controller that meets all the DSO technical requirements. It ensures communication with the DSO RTU using the IEC 60870-5-104 protocol and intelligently translates control signals for your entire portfolio of assets.
More than just a compliance device, the Teleport is also an independent, local Energy Management System (EMS) that puts you in control.
• Simplify complex sites: The Teleport manages hybrid sites and multiple assets, optimizing their combined
output while always respecting grid limits.
• Future-proof your operations: The Teleport is designed with cybersecurity at its core (ISO 27001 certified, fully
encrypted communications, and outbound-only connections) and receives continuous updates to keep pace with evolving
regulations and security standards.
• Unlock new revenue: Beyond satisfying grid operator requirements, the Teleport provides the secure API your trading
partner needs to capture value from energy and flexibility markets.
Discover the Teleport, your compliant asset controller.
If your installation’s capacity is larger than 125kW, here’s how you can get started:
Contact us with the technical specifications of your project. We’ll confirm compatibility, discuss your specific goals, and provide a clear quote.
We ship your pre-configured Teleport Gateway to your site. Your installer connects it to your energy assets and wires it to the DSO cabinet.
Once all equipment is installed, your DSO performs an on-site commissioning to test the entire communication chain.
Our technical team will be available remotely to support your team during the tests, ensuring that communication between the Teleport and the DSO system is established correctly and that the on-site validation is successful.
If you have a question, wish to discuss your project needs, or get started with the Teleport, please fill the form below.
Or directly contact our expert:
robin@withthegrid.com