The document discusses the role of grid codes in ensuring a secure, efficient, and ecological electrical system, with a focus on Tennet, a major electricity operator in Europe. Tennet serves approximately 36 million clients, manages over 21,000 km of circuit length, and operates around 440 substations. The document highlights Tennet's significant impact on the reliable and secure operation of the grid in Germany and the Netherlands.

1. 20.05.2014
Grid code development
The role of grid codes for the future secure, efficient
and ecological electrical system
Andreas Menze

2. 1. TenneT – A brief overview

3. Europe‘s turntable for electricity
TenneT
Serving app.36 Mio. clients
Operation, maintenance and
development of the EHV system in
parts of Germany and the
Netherlands
Responsible for reliable and
secure operation of the grid on-
and offshore
TenneT: Figures – 2013
o app. 21,000 km circuit length
o 440 substations
o app. 2,600 Employees
o 2.243 bill. € turn around
20.05.2014Grid code development