The following are a list of previous and upcoming CIGRE events particularly relevant to SC C4.

The CIGRE Study Committee C4 (System Technical Performance) in cooperation with the Croatian NC and SCs A3 (High Voltage Equipment) and B2 (Overhead Lines), is organizing an International Colloquium on "Application of Line Surge Arresters in Power Distribution and Transmission Systems"

Cavtat/Dubrovnik, Croatia, May 26–29, 2008.

Colloquium in Japan, June 7 - 13th, 2009: This Colloquium, sponsored by the Japanese CIGRE National Committee, will host the 2009 Meeting of CIGRE SC C4. All SC C4 members are expected to register by April 1, 2009. For further information and registration go to:

Colloquiun in Bosnia, June 3 - 4th, 2009; International Colloquium on Power Frequency Electromagnetic Fields – ELF EMF, Sarajevo, Bosnia and Herzegovina. For further information go to:

The Study Committee C4 pesents a Colloquium on Lightning and Power Systems

May 16 - 19, 2010
Berjaya Times Square Hotel
Kuala Lumpur, MALAYSIA

Assessing and Improving Power System Security, Reliability and Performance in Light of Changing Energy Sources

International Symposium
Recife, Pernambuco, Brazil
April 3-6, 2011