5.0 Performance Indicators, DCISC 18th Annual Report - July 1, 2007 thru June 30, 2008

The DCISC monitors selected performance indicators (PIs) to help measure the safety performance of the Diablo Canyon Power Plant. These PIs are updated for each DCISC public meeting and presented with more detailed supporting information by PG&E and/or are reviewed in DCISC Fact-finding meetings. The PIs in the enclosed table represent those presented at the DCISC June 25-26, 2008 Public Meeting. The PIs are contained in Figure 5.1.

Figure 5.1 Performance Indicators – Diablo Canyon Power Plant 7/1/07 - 6/30/08

Unit 1 and Unit 2Plant Capability Factor (Includes Impact of Refueling Outages) (Cycle 15 in Progress)
Plant Capability Factor
Operating Cycle

Unit 1 and Unit 2Plant Operating Capacity Factor (Excludes Impact of Refueling Outages)
Plant Operating Capacity Factor

Unit 1 and Unit 2Safety System Functional Failures (Goal = 0)
Safety Systen Functional Failures

Unit 1 and Unit 2Unplanned Automatic Reactor Trips (Goal = 0)
Unplanned Automatic Reactor Trips
* Through June

Collective Radiation Dose (2008 Goal @lt;= 268.3 Person-Rem)
Collective Radiation Dose

Personnel Contamination Events (2008 Goal @lt;= 100)
DCPP Personnel Contamination Events
* Through June

DCPP 2006-2007 DCPP Noteworthy Human Error Rate (Errors per 10,000 Workhours)

DCPP Noteworthy Human Error Rate

Event Free Day Clock Resets (Goal @lt; 2 Resets)

Event Free Day Clock Resets
* Through June

Refueling Outage Durations (2R14 Goal @lt;= 66 Days)

Refueling Outage Durations

Unplanned Reportable Releases (Goal = 0)
Unplanned Reportable Releases
* Through June

Industrial Safety - Recordable Injuries (Goal = 0)

Industrial Safety - Recordable Injuries

Industrial Safety Lost Time Accident Rate
Annual Rate = # Disables Injuries per 200,000 hours worked (Goal = 0)
Industrial Safety Lost Time Accident Rate
* Through June

Critical Equipment Event Clock Resets 2007 - 2008 (12 Month Goal 8 Clock Resets)
Critical Equipment Event Clock Resets

Significant Repeat Events 2006 - 2007 (12 Month Rolling Number)
Significant Repeat Events
* Through June


For more information about DCISC contact:

Diablo Canyon Independent Safety Committee
Office of the Legal Counsel
857 Cass Street, Suite D, Monterey, California 93940
Telephone: in Califonia call 800-439-4688; outside of California call 831-647-1044
Send E-mail to: dcsafety@dcisc.org