Comprehensive Environmental Support Services for New Energy Center

  • Hill Top Energy Center
Greene County, Pennsylvania

Hill Top Energy Center is a 1×1, natural gas-fired combined-cycle merchant power plant that became operational in 2021. The project is unique because it is situated on a brownfield originally owned by the LTV coal mine. ECT secured the multimedia permitting for the greenfield development of the 41.7-acre site, including 3.7 miles of 500-kV electrical transmission corridor, 4.9 miles of gas pipeline easement, 1.0 mile of water supply and discharge pipe easement, and 3.4 acres for a new water intake station site.

ECT provided air quality permitting services for the facility including:

  • Class II area significant impact analysis
  • Class II area cumulative impact analysis
  • Class I area significant impact analysis & air quality-related values analysis
  • Control technology evaluations
  • Alternatives analysis as required by nonattainment new source review (NNSR)
  • Emissions offset demonstration analysis as required by NNSR
  • Compliance certification as required by NNSR
  • New source review (NSR) permit application package for submittal to Pennsylvania Department of Environmental Protection (PA DEP)
  • Negotiate with PA DEP on permit conditions for NSR permit
  • Preparation of a regulatory applicability analysis
  • Environmental justice
  • National Pollutant Discharge Elimination System permitting
  • Construction of the outfall structure, wastewater discharge pipeline, natural gas supply pipeline and the electrical transmission line
  • Assessments of ecological/ wetland resources, cultural resource and archaeological surveys
RELATED
Client / Owner
Hill Top Energy Center, LLC
Project Timeline
June 2015 – Ongoing
Highlights
  • NNSR permitting
  • Air dispersion modeling
  • NPDES permitting
  • Pennsylvania general permits
  • USACE Section 10/404 nationwide 7 permit
  • Environmental justice
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