1. Ahmed, A., 2007a. Wind Data as Promised By Shanti, National Grid plc., E-mail to J.I. Oswald on 12 December 2007.
2. Ahmed, A., 2007b. Load Factor, National Grid plc., E-mail to J.I. Oswald on 12 December 2007.
3. Ahmed, A., 2008. Two Points of Help Please, National Grid plc., E-mail to J.I. Oswald on 25 March 2008.
4. Airtricity, 2006. About the supergrid, available online at 〈http://www.airtricity.com/ireland/wind_farms/supergrid/〉.
5. Armstrong, K., 2007. Personal communications with DTI's Director of Renewable Energy Policy and Development on 9 January 2007.