Definition: Open Access Same Time Information Service

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Open Access Same Time Information Service

An electronic posting system that the Transmission Service Provider maintains for transmission access data and that allows all transmission customers to view the data simultaneously.[1]

Wikipedia Definition

The Open Access Same-Time Information System (OASIS), is an Internet-based system for obtaining services related to electric power transmission in North America. It is the primary means by which high-voltage transmission lines are reserved for moving wholesale quantities of electricity. The OASIS concept was originally conceived with the Energy Policy Act of 1992, and formalized in 1996 through Federal Energy Regulatory Commission (FERC) Orders 888 and 889.


Also Known As
Open Access Same-Time Information System (OASIS)
Related Terms
transmission linestransmission Service Providersystemelectricity generationtransmission line
References
  1. Glossary of Terms Used in Reliability Standards


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