1. Spanish Quality of Service Regulation for the Distribution Network

2. The regulation allows to agree with the customer on better quality
Continuity of Service:
Zonal
By Zone and Province
Level of reference
Individual
By supply point and zone
Minimum normative with contract nature
The regulation allows to agree with the customer on better quality

3. Commercial Attention:
Quality of the wave:
Voltage:
V declared ± 7%
Frequency:
50 Hz
Commercial Attention:
Periods for answering customers requests, regarding new supplies

4. Distribution Zones:
The Regulation defines four zones depending on the “density” of supplies.
Each zone includes a set of towns in the same province with common characteristics:
Urban Zone: > supplies or province capital
Demi Urban Zone: from to supplies
Rural Concentrated Zone: from 200 to supplies
Rural Disperse Zone: < 200 supplies and those outside population nuclei

5. Measure of Continuity (Zonal): Three different indices
TIEPI
NIEPI
Percentile 80 of TIEPI
All measure long interruptions (>3 min.) al the MV Level.
Measure of Continuity (Individual): Two measures
Number of interruptions
Length of interruptions

6. No town may go beyond the 80 percentile of TIEPI two consecutive years
Individual
Zonal
No town may go beyond the 80 percentile of TIEPI two consecutive years

7. Case of non-compliance
Consequences of non-compliance:
Zonal Continuity
Individual Continuity
Quality of the Wave
Correction measures in 6 months in most cases.
Case of non-compliance
Specific plans
Possible external funding (up to 50%)
Automatic discounts on invoice
Aprox: 5 times the non-served energy

8. Are these measures enough?
Penalizations are high enough so that the system tends to the optimum set by the regulator