María Teresa Fernández de la Vega

The provided news articles focus on Beatriz Corredor, president of Redeia, and Arcadi España, the new Minister of Finance. Neither article mentions María Teresa Fernández de la Vega. Therefore, it's impossible to provide a summary about her based on the given information. The articles discuss Corredor's proposed salary and a new board member at Redeia, as well as España's background and political career within the PSOE. Without any mention of Fernández de la Vega, her current relevance or significance cannot be determined from these sources.