Minimizing high-impact low-probability forced outages
Conference
·
OSTI ID:207789
- Electricity Supply Board, Dublin (Ireland)
- North American Electric Reliability Council, Princeton, NJ (United States)
High-impact low-probability (HILP) outages have both a substantial and a random effect on the availability performance of a generating unit and the overall performance of an operating utility. Catastrophic long-duration forced (unplanned) outages can occur without warning and can stretch the resources and capabilities of utilities, even in interconnected systems. This paper describes the North American Electric Reliability Council`s (NERC) historical analysis of HILPs experienced in North America and the identification of HILP causes. It also outlines how Electricity Supply Board of Ireland (ESB) approached the problem of reducing HILPs. It gives an example of how this program actually minimized a potentially long outage at an ESB fossil-fired generating unit. The paper concludes with several recommendations for utilities to reduce or mitigate future HILP occurrences.
- OSTI ID:
- 207789
- Report Number(s):
- CONF-951010--; ISBN 0-7918-1488-2
- Country of Publication:
- United States
- Language:
- English
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