The electric utility industry initiated GADS in 1982 to expand data collection activities that it began in 1963. Today, NERC’s GADS maintains operating histories on more than 5,000 generating units in the North America.
GADS is recognized as a valuable source of reliability information for total unit and major equipment groups and is widely used by industry analysts in a variety of applications. Through GADS, NERC collects information about the performance of electric generating equipment and provides assistance to those researching information on power plant outages. GADs also supports equipment availability analyses and other decision-making processes in the industry. GADS data is also used in conducting assessments of generation resources and improving their performance.
GADS is a mandatory industry program for conventional generating units that are 20 MW and larger. GADS is open to any organization that operates electric generating facilities and is willing to follow the GADS reporting requirements specified in the GADS Data Reporting Instructions (DRI).
For more information, please contact:
Modifications to Section 1600 Data Request for GADS - In accordance with NERC's Rules of Procedure, NERC is seeking public comment to update the GADS Section 1600 Data Request by expanding GADS reporting to require solar plant reporting and changes to GADS reporting for wind and conventional/thermal generating facilities. Comments are due by July 31, 2021 at 8:00 p.m. Eastern. Click here to review proposed changes to GADS and a comment form.
Deadlines for Data Submission for GADS Conventional and GADS Wind:
*When a deadline falls on a weekend or holiday, reporting will be extended through the following business day.
Data Reporting Instructions
Frequently Asked Questions
Generating Unit Statistical Brochures
GADS Wind Turbine Data Reporting Instructions
GADS Wind Frequently Asked Questions
Texas RE Wind
General Availability Review (Weighted EFOR) Dashboard
GADS Generation Resource Mix Dashboard
GADS Unit Age Dashboard
GADS Dashboard Supporting Data
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Group Health Plan Transparency in Coverage Files
This link leads to the machine-readable files that are made available in response to the federal Transparency in Coverage Rule and includes negotiated service rates and out-of-network allowed amounts between health plans and healthcare providers. The machine readable files are formatted to allow researchers, regulators, and application developers to more easily access and analyze data.