VDE FNN defines the minimum requirements for technology and operation of power networks in application rules. Here is a list of all English versions of VDE Application Rules.
Change to the German site for more information on current drafts and consultations of the VDE Application Rules.
Name | Status / Date | Download |
| Technical Connection Rules for Low-Voltage (VDE-AR-N 4100:2019-04) | withdrawn and superseeded by 2026 revision (English version tba) | VDE Publishing House |
Power Generating Plants in the Low Voltage Grid (VDE-AR-N 4105:2018-11) | withdrawn and superseeded by 2026 revision (English version tba) | |
03/2019 | ||
Closer cooperation between transmission and distribution networks (VDE-AR-N 4141-1) | 01/2019 | |
| Technical Connection Rules for Medium-Voltage (VDE-AR-N 4110) | 10/2018 | VDE Publishing House |
| Technical Connection Rules for High-Voltage (VDE-AR-N 4120) | 10/2018 | VDE Publishing House |
| Technical Connection Rules for Extra High-Voltage (VDE-AR-N 4130) | 10/2018 | VDE Publishing House |
04/2018 | ||
Collaboration of network operators during critical grid states (VDE-AR-N 4140) | 02/2017 | |
Protection of birds on medium-voltage overhead lines (VDE-AR-N 4210-11:2011-08) | withdrawn and superseeded by 2026 revision (English version tba) |
VDE FNN provides technical guidance for grid operators, plant operators, manufacturers and other professionals working on the power grid. These documents support with the onboarding and classification of innovative grid technologies. The following list shows all guidelines with links to info pages, webshop and free copies for VDE FNN members.
Name | Status / Date | Download |
Control-administrator - Description of the design of functions and interfaces for the execution of control actions via smart metering systems by the metering point operator (Version 2.0) | 08/2026 | PDF (for members) VDE Publishing House (tba) |
Requirements for the technical design of the physical and logical interfaces of the control device for connecting and transmitting the control command to a controllable load device or an energy management system | 08/2026 | |
Specification for Control Box - Functional and constructive properties (Version 1.5) | 08/2026 | ZIP (for members) VDE Publishing House (tba) |
Technical requirements for grid-forming capabilities including provision of inertia (Version 2.1) | 05/2026 | |
Technical requirements for grid-forming capabilities including provision of inertia (Version 2.0) | 10/2025 | |
01/2025 | ||
Determination and evaluation of frequency in power supply networks – Effects of grid-side interference (Version 2) | 02/2023 | PDF (for members) |
Integración de electromobilidad (Traduction as part of the cooperation with GIZ Peru under the framework of the project “Distribución Eléctrica 4.0”) | 11/2022 | |
Grid forming behaviour of HVDC systems and DC-connected PPMs | 08/2022 | PDF (for members) VDE Publishing House |
Grid-forming & system-supporting behaviour of power-generating modules | 02/2022 | PDF (for members) |
Connection and operation of energy storage units on the low-voltage network | 06/2019 | PDF (for members) |
Voltage Regulating Distribution Transformers - Use in Grid Planning and Operation | 07/2016 |
VDE FNN proposes in its Positions necessary changes in the regulatory framework in order to pave the way for technical solutions that ensure onboarding of new technologies, harmonization of technical rules and the efficient and safe operation of the power grid.
Name | Status / Date | Download |
Reinstate established deadlines for the national implementation of the NC RfG 2.0 | 08/2026 | |
Delay in the adoption of the Connection Network Codes jeopardises system stability | 09/2025 | |
Transition times for a safe transition to SF6-free alternatives | 06/2022 | |
Securing the achieved level and, where efficiently possible, suitably expand (Ecodesign Regulation) | 12/2018 |
This table provides a list of the studies commissioned by VDE FNN and consequently translated into English.
Name | Status / Date | Download |
| Dielectric strength study | 10/2020 |
The Info-papers from VDE FNN provide technical background to different topics which are particularly helpful for understanding processes and technical solutions discussed in the technical groups
The rules must be designed with foresight today for a long-term secure grid operation with 80% renewable energies. Our roadmap towards a “climate protection grid” by 2030 provides concrete details from VDE FNN continuous work and points to solutions for the challenges ahead.
Name | Status / Date | Download |
04/2022 |
