1. ‘Our energy future – creating a low carbon economy’, 2003 February),(Department of Trade and Industry
2. ESB National Grid: Transmission planning criteria, October 1998, available at http://www.eirgrid.com/eirgridportal/uploads/library/transmission%20planning%20criteria.pdf
3. ‘Planning of the grid integration of wind energy in germany onshore and offshore up to the year 2020: summary of the essential results of the study’, (DENA, Berlin 2005 March),available at: http://www.dena.de/en/topics/kraftwerke-und-netze/