Brussels, 25/01/2007 (Agence Europe) - The European Commission has opened a formal investigation, under EC Treaty state aid rules, into potential aid to large and medium-sized companies and to the electricity incumbents in Spain, in the form of artificially low regulated industrial tariffs for electricity. The regulated tariffs led to a deficit of €3.8 billion in the Spanish electricity system in 2005. This deficit will be financed by a new charge paid by all Spanish consumers in their...