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Planning commission reviews Chapter 102 filing for transmission rebuild tied to data-center service, flags tree-loss concerns
Summary
Staff said PPNL and engineering firm Verdantas filed a Chapter 102 notification describing a Juniata'Alberta transmission-line rebuild, a new customer substation and a later data-center tie-in with a reported 476.1-acre disturbance area; commissioners requested clarification on tree removal and suggested a 2:1 reforestation offset.
The Perry County Planning Commission on Tuesday reviewed a Chapter 102 erosion-and-sediment-control notification from PPNL Electric Utilities Corp. and consultant Verdantas describing a rebuild of the Juniata'Alberta transmission line, the bifurcation of that line to a new customer substation and a later tie-in to a planned data center.
A staff member summarized the filing and said the project description includes about 1.1 miles of new overhead fiber, temporary construction gravel mats and measures to treat sediment-laden runoff during construction. The filing identified a project disturbance area of 476.1 acres, prompting commissioners to raise concerns about tree loss, stormwater runoff and wetland impacts.
"That's one of the biggest issues quite honestly with those things: you take out a lot of trees, you generate a lot of stormwater runoff and erosion potential," a commissioner said during the discussion and asked staff to confirm whether the project would use previously cleared right-of-way or remove new forested areas.
Several commissioners recommended stronger mitigation if tree removal occurs. One commissioner suggested a 2:1 replacement requirement for forested areas, citing the Army Corps of Engineers' common approach to forested wetland impacts: "It typically takes 25 years for a system to restore itself back to full canopy," the commissioner said, arguing a 2:1 replacement would better offset lost canopy and carbon sequestration.
Staff agreed to circulate the project display to commissioners and to contact the listed consultant (Eric Beaver) to clarify whether the work would use an existing cleared footprint or remove additional trees. The filing also appeared in the Pennsylvania Bulletin, staff added.
Next steps: staff will distribute the detailed project display and attempt to obtain clarification from the project consultant about tree removal, stormwater controls and exact boundaries. The commission did not take a formal regulatory action beyond requesting clarification and circulating the materials.
