Open Access Same-Time Information System (OASIS)
OASIS provides 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.;
View OASIS Frequently Asked Questions to learn more about how to use OASIS.
An OASIS computer-based training is available in our Training Center
*Certificate required
Modeling, data and analysis
These documents describe the processes, procedures and assumptions used to calculate available transfer capability in compliance with the North American Reliability Corporation Modeling, Data and Analysis reliability standards and North American Energy Standards.
- Available Transfer Capability Implementation Document02/01/2024, 8:21 AM
- Transmission Reliability Margin Implementation Document02/01/2024, 8:21 AM
- Available Transfer Capability (ATC) Methodology Contact12/07/2012, 4:44 PM
- NAESB OASIS Waivers and Exemptions03/30/2011, 11:23 AM