DEP Accepting Comments On Water Quality Permit For Transmission Line Project To Connect Three Mile Island Nuclear Data Center Power Plant To Grid In Dauphin County

The Department of Environmental Protection published notice in the May 9 PA Bulletin inviting comments on a Chapter 105 Encroachment Permit for rebuilding a Mid-Atlantic Interstate Transmission, LLC 500kV transmission line across the Susquehanna River to connect the Three Mile Island Nuclear Data Center Power Plant [‘Crane Clean Energy Center’] in Londonderry Township, Dauphin County. (PA Bulletin, page 2725)

The project would impact Spring Creek (High Quality) by placing fill, constructing stormwater outlets and installing rip-rap and making other changes.

No hearing has been scheduled, but one may be requested.

Comments are due by June 8-- 30 days from this notice.

Comments should be sent to the DEP Southcentral Regional Office, Waterways & Wetlands Program, 909 Elmerton Ave., Harrisburg, PA 17110 or send email to: or send email: RA-EPWW-SCRO@pa.gov. 

To request to review the application, contacted Christopher Kemple, 717-705-4780 or 717-705-4802 or send email: RA-EPWW-SCRO@pa.gov. 

[Note: This is the second Chapter 105 application for this same project.  Read more here.]

Read the entire PA Bulletin Notice for more information.  (PA Bulletin, page 2725)

For more information on environmental programs in Pennsylvania, visit DEP’s website.  Submit Environmental Complaints; Click Here to sign up for DEP’s newsletter; sign up for DEP’s eNotice; Like DEP on Facebook, Follow DEP on Twitter and visit DEP’s YouTube Channel.

[Posted: May 8, 2026]  PA Environment Digest