| Measure |
|
Description of measure
(and unit) |
Target
2008 |
Actual
2008
(include
load
shedding) |
Actual
2008
(exclude
load
shedding) |
Actual
2007 |
|
Comments |
| Number of interruptions |
|
Interruptions affecting the
continuity of supply |
≤36 |
49 |
48 |
28 |
|
Not achieved. A significant
deterioration from last year and
worst performance since 2002.
See comments below |
| Number of system
minutes lost |
|
Total number of system
minutes lost (for incidents
of less than one system
minute) |
≤3,90 |
3,56 |
3,56 |
3,67 |
|
Results within target, although the
number of interruptions increased |
| Number of major
incidents |
|
Records number of incidents
with a severity greater than
one system minute |
|
|
|
|
|
Not achieved |
| |
|
– severity degree-one
(≥1, but less than 10) |
≤1 |
5 |
5 |
1 |
|
The five major incidents of
degree-one severity were the
result of equipment failure |
| |
|
– severity degree-two
(≥10, but less than 100) |
0 |
0 |
0 |
1 |
|
|
| |
|
– severity degree-three
(≥100) |
0 |
1 |
0 |
0 |
|
The degree-three incident was the
result of load shedding |
| Number of line faults |
|
Number of transmission
line faults per 100km |
≤2,2 |
2,31 |
2,31 |
2,43 |
|
Not achieved, although this is
an improvement from last year’s
performance |
