WG #3a: Integration of Renewables

 National Grid (UK)

To date, in many power systems, the level of renewable generation connected to the grid system has been low. The primary generation technology powering the transmission system has been thermal based (coal, gas and oil) and nuclear. Experience and innovation has led to the development of tools and techniques for the planning and operation of transmission system. With low levels of renewable generation connected these tools and techniques for the planning and operation of the transmission system have continued to deliver efficient, economic and reliable power systems. However, the situation is rapidly changing.

Challenge

Renewable generation is now becoming a major contributor to power systems and its contribution is likely to get even bigger.  Some systems are predicting that by 2020 up to 50% of installed capacity could be renewable based generation. This is primarily onshore and offshore wind based generation. Under these scenarios the existing tools and techniques will cease to deliver efficient, economic and reliable power systems.

GO15 Involvement

This working group has been established since 2009 and some progress has already been made in terms of addressing a number of issues with regards to the integration of renewables culminating in a final report published in October 2011. In 2013, the working group will cover a number of areas including PV related issues, identification of common specifications to manage renewable generation, a study of impact of increased renewable penetration on operational reserve and of sudden ramp-up and ramp-down in renewable generation and how best to operate.




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