Number of plants - Terna Rete Italia S.r.l.

The number of plants belonging to the company Terna Rete Italia S.r.l. at 31 December 2012, compared with the situation at 31 December 2011, is shown in the following table:

31.12.2012 TERNA RETE ITALIA S.r.l. 31.12.2011 TERNA RETE ITALIA S.r.l. VARIATION 01 ÷ 12.2012
Stations 19 19 0
Transformers 2 2 0
320 MVA 320 MVA 0 MVA
Bays 83 81 2
Lines 16,507 km 16,528 km - 21 km
3-phase power lines 1,730 1,728 2
17,543 km 17,556 km - 13 km
Km and MVA are calculated to 3 decimal places and rounded off to the unit.

Transformers

No change occurred in the year, with regard to transformers.

Long-distance power lines

With regard to long-distance power lines, the following variations are noted:

  • implementation of 7 incoming-outgoing derivations on as many lines in operation with a total increase of as many 3-phase power lines and to + 8.2 km, of which: 5 are of 150 kV connections (+ 7.7 km), and 2 are of 132 kV connections (+ 0.6 km);
  • implementation of modifications, rigid derivations and/or changes in the line with a total increase of 4.5 km of the three-phase circuit, of which: + 5.8 km is of 150 kV, - 1 three-phase power line and - 1.6 km is of 132 kV, + 1 three-phase power line and + 11.9 km is of 70 kV;
  • disposal and/or demolition of lines in operation with an overall reduction of 4 three-phase power lines for a total of 14.9 km, of which: 1 is of 150 kV (3.0 km), 2 are of 132 kV (5.3 km) and 1 is of 60 kV (6.6 km).

These variations must be reduced by 1 three-phase circuit and around 6.6 km of the same, deleted following technical verification of the values previously cited.