The caption “External supplies and services” for the years ended 31 December 2014 and 2013 is made up as follows:
|Fees relating to external entities i)||
|Electric energy costs||
|Gas transport subcontracts||
|Security and surveillance||
|Advertisement and communication costs||
|Cross border interconnection costs ii)||
|Reserve capacity costs||
|Other (less than 1,000 thousand Euros)||
|External supplies and services||
i) The fees paid to external entities refer to specialized work and fees paid by REN for contracted services and specialized studies.
ii) The cross border interconnection costs refer to the cost assumed on cross-border trade in electricity. The decrease in the period ended 31 December 2014, when compared with the same period of last year reflects the reduction of the flows of electricity imported.
This caption includes financial statements audit services as well as consulting services rendered by audit companies recorded as expenses in 2014, as follows: