Markets & Operations

System Information

 

Exceptions to Three Percent Three Pivotal Supplier Test Threshold XLS
Historical Area Control Error Data
Potential Transmission Switching Options
Critical Energy Infrastructure Information
Emergency Procedures
Real-Time Operational Data - This page includes locational marginal pricing, transfer limits, instantaneous load and transmission constraints
Historical Load Data
Seven-Day Load Projections & Constraint Forecast
Historical 1800 Load Forecast
Long-Term Firm Transmission Service Requests - system impact studies
Day-Ahead Interface Flows & Limits

Pricing Interface Definitions
England:  PDF | CSV
PENELEC PDF
Red Bank:  PDF | CSV
SENECA PDF
Warren PDF
Yorktown:  PDF | CSV

Generation Outlet Interfaces
CPL-DOM:  PDF | CSV
PA Central:  PDF |  CSV 

Reactive Transfer Interfaces
Western Interface Definition Change:  PDF

Special Protection Scheme (SPS/RAS) Installation/Removal
Quad Cities/Cordova RAS Retirement
The Quad Cities/Cordova RAS has been retired as of 8.23.2019. The RAS retirement was announced earlier this year.

Procedural Updates
The following procedure will be included in the upcoming Manual-03 publication:
Wescosville Switching Procedure PDF

Ratings
Ratings Information
Manual-3: Attachment F Short-Term Emergency Line Ratings XLS
BGE:
Crosstown Common Trench Circuit Ratings XLS
230KV Harbor Crossing Cables (2344 & 2345) - Special Ratings XLS
PEPCO:
Common Trench Cable Ratings XLS

Automatic Sectionalizing Schemes
Manual 03: Attachment E Automatic Sectionalizing Schemes Pending Approval and Recent Changes PDF
Manual 03: Attachment E Automatic Sectionalizing Schemes PDF

Transmission Facilities Information
Reliability & Markets Tariff Facility Modifications
Approved or Denied for 6.1.2019 | 6.1.2018 XLS
To be Effective:
June 2020 as Proposed by Transmission Owners - 1.31.2020 XLS
June 2019 as Proposed by Transmission Owners - 11.30.2018 XLS
June 2018 as Proposed by Transmission Owners - 11.27.2017 XLS
List of Designated Network Resources
Transmission Facilities 
Complete Descriptions TXT - Updated 12.18.2019
Outage Information
Regional Transmission Expansion Plan Construction Status

Transmission Outage Cancellation & Rescheduling After Day-Ahead Market Metrics
2020 | 2019 | 2018 | 2017 | 2016 PDF

EMS Model Builds

The Spring 2020 Build is currently scheduled for March 10, 2020 at 9:00 a.m.

The Fall 2019 Build is now currently scheduled for September 24, 2019 at 9:00 a.m.

The Spring 2019 Spring Build is now currently scheduled for March 12, 2019 at 9:00 a.m.

The Winter 2018 Winter Build is now currently scheduled for December 11, 2018 at 9:00 a.m.

The Fall 2018 EMS model build is now currently scheduled for September 20, 2018 at 9:00 a.m.

The Winter 2017 EMS model build is now currently scheduled for December 19, 2017 at 9:00 a.m.

The Summer 2017 EMS model build is now currently scheduled for May 23, 2017 at 9:00 a.m.

The Summer 2016 EMS model build is now currently scheduled for May 26 at 9:00 a.m.

The Spring 2016 EMS model build is currently scheduled for March 17 at 9:00 a.m.