Underground Electrical Transmission & Distribution 

Haugland Energy Group (HEG) constructs, maintains, and restores underground electrical transmission and distribution systems for utilities, municipalities, and rural cooperatives throughout the Northeast. Our work spans system construction, expansion, maintenance, and long-term alliance partnerships, supported by large-scale storm restoration capabilities across the East Coast and the Virgin Islands, including Hurricane Katrina, Superstorm Sandy, and major ice storms across New England.

HEG provides a full scope of underground electrical services delivered by experienced crews known for operating efficiency, safe practices, and exceeding client expectations.

Services

  • Installation of underground distribution facilities
  • Cable splicing and testing
  • Turnkey construction of underground systems
  • Storm restoration
  • Energization and testing
  • Energized construction and maintenance
  • Fiber optic installation and testing

Capabilities

  • Solid dielectric and pipe-type cable installations
  • HV certifications with cable OEMs
  • Duct bank and manhole installations
  • Horizontal directional drilling (HDD)
  • AC and DC cable installation up to 345kV
  • AC and DC cable splicing up to 345kV
  • AC and DC terminations up to 345kV

Pre‑Engineering Services & Constructability Reviews

  • Pre-construction design and engineering consulting
  • Environmental mitigation and compliance
  • Upgrades to existing underground transmission systems