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  • ATLAS REFERENCE
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  • REPORT DEFINITION
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  • PRICES
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  • TRANSMISSION
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  • SYSTEM DEMAND
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  • ENERGY
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  • ANCILLARY SERVICES
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  • CONGESTION REVENUE RIGHTS
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  • PUBLIC BIDS

Welcome to the California ISO Open Access Same-time Information System (OASIS)
site.  On OASIS you will find real-time data related to the ISO transmission system
and its Market, such as system demand forecasts, transmission outage and capacity
status, market prices and market result data.
System Help
For interface technical specifications, product release plans and
other supporting documents go to: