The following maps of the PJM service territory are available online:

  • Transmission Zones (2.45MB PDF) - This file displays the territory that PJM serves.
  • Locational Marginal Pricing Map - This map shows the locational marginal price or LMP for each transmission zone in the region PJM serves.
  • Interregional Data Map - This map shows the flow of electricity into and out of PJM.
  • Proposed Renewable Projects Map - This map is currently not available in Internet Explorer. Please utilize an alternative browser.
  • System Map - This map displays the location of all queued interconnection requests and enables filtering capability of other queue information. It features many existing views with layers and filters to show greater detail, such as substations, transmission facilities, transmission zones. The details on the maps are drawn from live data.
    Sign In | Request Access - This map now requires access, which can be requested using Account Manager and approved by your company's account manager.
Map Thumbnails
Engineer Screen Shot
Executive/Boardroom Map
Executive Map

High Resolution Transmission Maps

PJM is now offering high resolution transmission maps that have been developed by PJM's System Planning Geographic Information System (GIS) for both PJM members and non-members. The maps include PJM's transmission infrastructure from 69kV up to 765kV. These maps contain detailed inserts of Philadelphia/Jersey City Corridor, Chicago, Pittsburgh, Dayton/Columbus Metro, Cleveland, Norfolk, and Baltimore/DC Metro. To order PJM maps, please use the map order formPDF.

Electronic versions of the engineer's map are available for download by PJM members only at no charge. Please email or call Marcie Gritmon at (610) 666-8219 in order to receive a password to access the free download. In the email please identify yourself, your company and your intended use of the map to receive the password. Upon receiving your password, you can access the maps.

Transmission Owner Maps

The Federal Energy Regulatory Commission (FERC) Form 715 data is no longer publicly available in accordance with the FERC Order issued on October 11, 2001, in Docket PL02-1-000, for national security reasons. The public may file a Critical Energy Infrastructure Information (CEII) request under 18 C.F.R. § 388.113 or a Freedom of Information (FOIA) request under 18 C.F.R. § 388.108.

For more information, visit FERC’s CEII and FOIA Web page.