NERC Publications

While the data is somewhat outdated, the methodologies used to analyze GADS data still apply for those who want or need to "deep dive" the GADS data for RAM studies.

The PDF documents can be downloaded by clicking on the links below

Title/Summary Date
Predicting Generating Unit Reliability PDF
A Methodology for Predicting Generating Unit Reliability based on design characteristics, operational factors, and maintenance and plant betterment activities.
12.01.1995
The Generating Availability Data System (GADS): Applications and Benefits PDF
Descriptions of Electric Generating Unit Availability Improvement Programs & Analysis Techniques.
06.01.1995
Generating Unit Availability Following Planned Outages PDF
Describes the daily performance of generating units during their first week of service immediately following planned outages. It is a follow-up study to "Frequency and Severity of Forced Outages Immediately Following Planned or Maintenance Outages."
06.01.1992
Impact of FGD Systems PDF
Analyzes the availability losses experienced by coal- and lignite-fired steam generating units equipped with flue gas desulfurization (FDG) systems. It also analyzes the impact FGD systems have on unit output and annual energy and manpower requirements.
07.01.1991
Predicting Unit Availability PDF
Describes four methods used by electric utilities to evaluate trade-offs between generating unit expenditures and generating unit availability.
06.01.1991
Seasonal Performance Trends PDF
Compares peak season and annual equivalent forced outage rates for fossil-steam generating units.
06.01.1991
Generating Unit Availability Trends 1984-1988 PDF
The Generating Availability Trend Evaluation Working Group (GATE) investigates trends in the changing availability of generating units in North America.
04.01.1990
Boiler Tube Failure Trends PDF
Several significant conclusions on boiler tube failure trends were derived from the failure event information reported on large (>400 MW) coal-fired units.
04.01.1989
Generating Availability Trends Summary Report PDF
The Generating Availability Trend Evaluation Working Group (GATE) investigates trends in the changing availability of generating units in North America.
05.01.1989