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.
    • To access the System Map:
      • Register for an account if you do not have one.
      • Request access - Sign into Account Manager. Click the Account Access link under the User Profile tab. Click the Request Access button in the top right of the screen. Search for System Map in the Access box. Move the System Map Read Only access to the Selected Access box. Click the Next button. Click the Submit button.
      • Once your company's account manager approves your request for access, you can sign in to the System Map.
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.