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Mid-Atlantic Power Pathway (MAPP)

    
Mid-Atlantic Power Pathway (MAPP)
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Related Information

BGE, Dominion and PEPCO assigned baseline project with PJM id’s:

  • BGE b0512.30
  • Dominion b0512.1, b0512.5 and b0512.6
  • PEPCO b0512.2 and b0512.7 through b0512.29

Scope:  

  • Build new 500kV transmission line from Possum Point to Calvert Cliffs substations
  • Build two 500kV HVDC circuits from from a new substation in Calvert Cliffs, MD to a new substation in Wicomico County, MD near Vienna, MD and to a new substation in Sussex County, DE near Indian River, DE. Included in these circuits is a submarine cable crossing of the Chesapeake Bay.

Need:  Based on the PJM analysis of 2013, the Possum Point – Indian River project is required to resolve reliability criteria violations starting June 1, 2014
Permits:  CPCN, US Army Corp, and MDE permitting activities in process
Energization:  PJM required in service: 06.01.2014. However, PJM is in the process of considering new information and will be reviewing the need date as part of the 2010 RTEP.
Land Acquisition:

  • Possum Point to Calvert Cliffs on existing right of way
  • Vienna to Indian River on existing right of way
  • A route has been announced on Maryland's Eastern shore that requires 16 miles of new right-of-way. The majority of the necessary right-of-way is under contract with minor changes expected through the permitting process.

Engineering / Design:

  • Design for Possum Point to Calvert Cliffs is completed
  • Design for Calvert Cliffs to Indian River is on going
  • Proposals for the DC system have been received from the bidders and will be evaluated thoughout the remainder of 2010

Equipment Procurement / Delivery:

  • All material for Burches Hill to Chalk Point section on hand. No new structures necessary for this section.
  • Material for Possum Point to Burches Hill section to be ordered to coincide with the construction schedule
  • Contract for DC system will be awarded in the 4th quarter of 2010.

Construction:  Minor construction commenced on Burches Hill to Chalk Point section in December 2009. Entire section from Possum Point to Colvert Cliffs to be completed and placed in-service during 2013.
Outages:

  • PEPCO
  • eDart 288809 – Possum Pt to Burches Hill circuit 5070
  • eDart 288830 - Chalk Pt - Calvert Cliffs circuit 5072
  • eDart 399536 - Burches Hill to Chalk Pt circuit 5071