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Reliability Report -- 1999 - Pennsylvania Public Utility Commission

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Figure 17 PECO outage causes (percent of total outages)<br />

Other<br />

Unknown<br />

Customer Minutes Interrupted<br />

Customers Affected<br />

Number of Incidents<br />

Vehicles<br />

Vegetation In-Growth<br />

Vegetation<br />

Broken/Uprooted<br />

Transmission/Substation<br />

Lightning<br />

Equipment Failure<br />

Animal Contact<br />

0 5 10 15 20 25 30 35 40<br />

Figure 18 PECO outage tracking (number of incidents)<br />

5,500<br />

5,000<br />

4,500<br />

4,000<br />

3,500<br />

3,000<br />

Equipment Failure<br />

Vegetation - Broken/Uprooted<br />

Vegetation - In-Growth<br />

Other<br />

2,500<br />

2,000<br />

1,500<br />

1,000<br />

500<br />

0<br />

22<br />

<strong>Pennsylvania</strong> <strong>Public</strong> <strong>Utility</strong> <strong>Commission</strong>

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