Next Day Changes
Blackstart
AAR
System Events
Acronyms
100

This new platform replaced ShareNow as the location for storing documentation 

What is SharePoint

100

This NERC Reliability standard addresses system restoration using blackstart resources

What is EOP-005-3

100

Piecewise linear ratings were commonly based on these two seasonal assumptions.

What are summer and winter ratings

100

This 2011 blackout affected these two states, along with parts of Mexico

What are Arizona and California

100

This is what IROL stand for.

What is Interconnection Reliability Operating Limit
200

This legacy EMS function was removed from the previous Next-Day Procedure

What is Alstom

200

Each Transmission Operator must have a dated, documented system restoration plan approved by this entity

What is Reliability Coordinator 

200

AAR temperature range extends from this low temperature to this high temperature, using 5 F increments

What is -55 F to 130 F (PJM) or 65F - 104 F (SPP)

200

Extreme winter weather, record - breaking electricity demand, and widespread power plant outages combined to create this February 2021 power crisis

What is the 2021 Texas Power Crisis


200

This is what iTOA stands for.

what is Information Transmission Outage Application

300

This is used before sending the Next Day Report to verify that all required information and documentation are included

What is the Compliance Checklist


300

This is the total number of requirements in the System Restoration from Blackstart Resources standard

What are 16

300

Unlike traditional seasonal ratings, this feature of AAR uses two separate tables to distinguish two operating conditions

What are day and night ratings

300

The massive amount of load was involved in the 2026 Virgina Large - Load Transfer 

What is 3,800 MW

300

This is what SCADA stand for

what is Supervisory Control and Data Acquisition

400

The Updated Next Day procedure was revised to comply with this standard

What is TOP-002

400

This a portion of the electric system that can be isolated and then energized to deliver electric power from a generation source

What is Cranking Path
400

This interface helps maintain consistency between AEP ratings and the RTO model

what is eDART or RST

400

This Ohio - based utility was at the center of the 2003 Northeast Blackout after transmission lines failed and operators lost critical situational awareness 

What is FirstEnergy

400

This is what PSS/E Stand for.

What is Power System Simulator/Electric
500

This system houses all external outages for SPP and PJM

what is NERC SDX/OATI

500

This is how often a Tranmission Operator must review its restoration plan and submit it to its Reliability Coordinator

What is Annually

500

This federal regulatory order established requirement for transmission provider to implement Ambien Adjusted Ratings.

what is FERC Order 881

500

This 2017 hurricane caused major power outages in Texas, with over 10,000 MW of generating capacity in ERCOT forced offline and flooding impacts along the Gulf Coast. 

What is Hurricane Harvey

500

This is what OSI stand for.

What is Open System International

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