Special Protection Scheme (SPS/RAS) Installation/Removal
|Davis Creek SPS/RAS Retirement
The Davis Creek SPS/RAS is expected to be retired by the end of 2018 due to a transmission upgrade. The SPS/RAS was originally installed to mitigate thermal loading on the Davis Creek transformer.
New North Hampton SPS/RAS
The new North Hampton SPS/RAS in Dominion zone (as discussed at the 1.10.2017 Operating Committee Meeting) will be implemented operationally on 4.16.2017.
Temporary Dominion RAS PDF
Please see the following TEAC presentation (slides 9-27) for more information on the related Surry-Skiffes Creek project. TEAC Reliability Analysis Update PDF
|Jenkins SPS/RAS Retirement
The Jenkins SPS/RAS has been retired due to the Jenkins 230 kV substation re-configuration; specifically Jenkins-Mountain 230 kV line was re-routed and is now the Jenkins-Mountain 230 kV line. Re-configuration work was performed as part of eDART transmission outage tickets 652451 and 652448. The SPS/RAS was originally installed to mitigate loading on the Susquehanna-Jenkins 230 kV line.
|Bath County Stability SPS/RAS for Dooms-Lexington Outage
The Dooms-Lexington 500 kV line returned to service starting on 12.20.2016. As a result, the SPS/RAS is disarmed. The Dooms-Lexington line outage started on 10.23.2016 to complete the last phase of the line rebuild. The stability SPS/RAS was originally installed to address the impact of the long term Dooms-Lexington outage occurring in 2014 and 2015. The SPS/RAS will remain available for future use during emergent and planned outages.
|Bath County Thermal SPS/RAS Retirement
The Bath County Thermal SPS/RAS to control for a contingency thermal overload on the Cloverdale 6A & 6B transformers will be retired on 12.1.2016. The scheme is no longer required and will be removed from service. Operationally, the SPS has not been used since 9.17.2016 coinciding with the start of the Cloverdale-Lexington 500 kV line outage to facilitate the retirement and replacement of the Cloverdale 6A & 6B transformers.
EMS Model Builds
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.