[1] Wiesenthal, T., Leduc, G., Haegeman, K. and Schwarz, H.G. (2012) Bottom-Up Estimation of Industrial and Public R & D Investment by Technology in Support of Policy-Making: The Case of Selected Low-Carbon Energy Technologies. Research Policy, 16, 131-141.
[2] European Commission (2007) A European Strategic Energy Technology Plan (SET-Plan). COM (2007) 723 Final. Brussels, Belgium.
[3] Hervás Soriano, F. and Mulatero, F. (2011) EU Research and Innovation (R & D) in Renewable Energies: The Role of the Strategic Energy Technology Plan (SET-Plan). Energy Policy, 6, 3582-3590.
http://dx.doi.org/10.1016/j.enpol.2011.03.059
[4] Guerrero-Lemus, R., Días-Herrera, B. and Martínez-Duart, J.M. (2009) Study of the Spanish R & D & I Plan 2004-2007 in Energy. Energy Policy, 37, 4779-4786.
http://dx.doi.org/10.1016/j.enpol.2009.06.036
[5] Johnstone, N., Hacic, I. and Popp, D. (2010) Renewable Energy Policies and Technological Innovation: Evidence Based on Patent Counts. Environmental and Resource Economics, 45, 133-155.
http://dx.doi.org/10.1007/s10640-009-9309-1
[6] Dechezlepretre, A., Glachant, M., Hascic, I., Johnstone, N. and Meniere, Y. (2011) Invention and Transfer of Climate Change-Mitigation Technologies: A Global Analysis. Review of Environmental Economics and Policy, 5, 109-130.
http://dx.doi.org/10.1093/reep/req023
[7] Sanz-Casado, E., Garcia-Zorita, J.C., Eleazar Serrano-López, A., Larsen, B. and Ingwersen, P. (2012) Renewable Energy Research 1995-2009: A Case Study of Wind Power Research in EU, Spain, Germany and Denmark. Scientometrics, 95, 197-224.
http://dx.doi.org/10.1007/s11192-012-0825-3
[8] Marques, A.C., Fuinhas, J.A. and Pires Manso, J.R. (2010) Motivations Driving Renewable Energy in European Countries: A Panel Data Approach. Energy Policy, 38, 6877-6885.
http://dx.doi.org/10.1016/j.enpol.2010.07.003
[9] Rizzi, F., van Eck, N.J. and Frey, M. (2014) The Production of Scientific Knowledge on Renewable Energies: Worldwide Trends, Dynamics and Challenges and Implications for Management. Renewable Energy, 62, 657-671.
http://dx.doi.org/10.1016/j.renene.2013.08.030
[10] Spanish Council of Ministers (2005) Plan de Fomento de las Energías Renovables 2005-2010; Adopted by the Council of Ministers on 26 August 2005. Madrid, Spain.
[11] Instituto para la Diversificación y Ahorro de la Energía (IDAE) (2012) Consumos energéticos mensuales 2012.
http://www.idae.es/index.php/idpag.481/relcategoria.1368/relmenu.363/mod.pags/mem.detalle
[12] Centro para el Desarrollo tecnológico Industrial (CDTI) (2010) Informe Global del VII Programa Marco: Resultados provisionales de la Participación Española (2007-2009). Centro para el Desarrollo tecnológico Industrial, Madrid.