Open-Access Same-Time Information System

Open-Access Same-Time Information System

[‚ō·pən¦ak‚ses ¦sām¦tīm ‚in·fər′mā·shən ‚sis·təm]
(electricity)
An electronic system that uses Internet Web nodes to communicate to everyone in a fair and equitable manner information on available transmission capability and the cost of purchasing transmission services on the electric power transmission system, and allows for purchasing and reselling of transmission rights. Abbreviated OASIS.
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OASIS, or the Open-Access Same-Time Information System, is a web-based posting system required by the Federal Energy Regulatory Commission to ensure that all transmission customers can view transmission availability data at the same time and request transmission service in the same manner.
The MISO also announced that it achieved two other significant operational milestones: the start of 24 x 7 security coordination in parallel with existing security coordinators and the launch of its Open-Access Same-Time Information System (OASIS) site, the web-based vehicle for transmission service reservations.