Member of Parliament (2004-2006).
Minister for Industry, Trade and Tourism with full powers in the field of Energy (2004-2006).
During his time as Minister he launched the Renewable Energy Plan 2005-2010, the Energy Saving and Efficiency Strategy 2005-2007, and the 2006-2012 National Coal Restructuring Plan. He also stood out for promoting the adoption of legislative reforms to strengthen the powers of the National Energy Commission and to liberalise the energy sector, as well as reforms of the internal gas and electricity markets.
President of the Catalan Government and Member of the Catalonia Parliament (2006- 2010).
Senator representing the Catalonia Parliament (2011-2019). As Senator, he has been Chairman of the Budget Committee and Spokesman for the Economy and Competitiveness, Finance and Public Administration, and Industry, Energy and Tourism Committees. He has been behind the following Bills: Audit of Accounts; Independent Authority for Fiscal Responsibility; Corporate Tax; Urgent Measures in Bankruptcy Matters; Fiscal Measures for Energy Sustainability; Guarantee of Supply and Increase of Competition in the Insular and Extrapeninsular Electrical Systems; Fiscal Measures for Energy Sustainability