Dennis Langen

Dennis P. Langen Partner

Representative Work
  • AltaGas Canada Inc. in its proposed C$1.7B acquisition by the Public Sector Pension Investment Board and the Alberta Teachers' Retirement Fund Board.
  • Pembina Pipeline Corporation in its C$4.35B acquisition of Kinder Morgan Canada Limited and the U.S. portion of the Cochin Pipeline system.
  • Pipeline and midstream companies, oil and gas producers and marketers, and gas distribution utilities in connection with NEB applications for, and complaints relating to, setting rates and revenue requirement, including cost of capital, for transmission pipelines; and in connection with NEB applications to establish new services and to set tolls and tariffs for transmission pipelines.
  • Electricity market participants, including generators, importers and exporters in connection with Alberta Electric System Operator (AESO) rule proceedings before the AUC; and in connection with Alberta Market Surveillance Administrator (MSA) investigations and related AUC settlement proceedings.
  • Pipeline companies in connection with NEB (including Joint Review Panels) applications to construct and operate transmission pipelines and storage terminals (terrestrial and marine).

  • Oil, gas and power industry clients in respect of NEB, and other federal and provincial authorities, regulation of energy export and/or import.
  • Public utilities in connection with facility and rate applications before the AUC; and owners of public utilities in connection with applications before the AUC for the sale and transfer of ownership of public utilities.

  • Oil and gas developers, pipeline operators and midstream operators in connection with well and facility applications before the AER.

  • Oil and gas developers, pipeline operators and midstream operators in connection with resource equity disputes and applications (off-target / holding /rateable take/common carrier / common processor) before the AER.

  • Coal mine developers in connection with regulatory approvals for coal development and processing facilities before the AER.
  • Oil sands developers in connection with applications for mining and in-situ oil sands developments and facilities before the AER.
  • Various clients in connection with review applications and appeal proceedings relating to decisions of the NEB, AUC and AER.