Dennis Langen is a partner in the Energy Group where his practice focuses on the regulation of energy development and energy infrastructure. Dennis has significant experience with the regulation of oil and gas facilities, power facilities, oil and gas development, energy export and import, and the economic regulation of pipelines and public utilities. He advises oil and gas, oil sands, midstream, pipeline, power, mining, and gas and electric utility industry clients on all aspects of federal and provincial energy regulation, including environmental, engineering, operational, Indigenous, economic, market and compliance aspects. Dennis regularly appears before the National Energy Board (NEB) in respect of facility, tolling, tariff, cost of capital and export approval applications; the Alberta Utilities Commission (AUC) in respect of facility, rate, tariff, rule-making and enforcement applications; the Alberta Energy Regulator (AER) in respect of oil and gas development, facility and resource equity applications; and the Alberta Surface Rights Board in respect of surface rights matters relating to energy development and facilities. He is also routinely involved in review applications and appeals relating to decisions of the NEB, the AUC and the AER.