On March 2, 2022, the Alberta Utilities Commission (AUC) issued
a decision exempting Calgary District Energy Inc. (CDHI) and the
Downtown District Energy Centre (DDEC) from certain provisions of
the Public Utilities Act and certain reporting
requirements contained in AUC Rule 005 relating to annual reporting
requirements for public utilities.1 The effect of
the decision was to allow the DDEC, which offers district energy
services in the form of thermal energy to customers in downtown
Calgary, to continue to operate as it has since commencing
operation in 2010, while remaining subject to AUC oversight on a
complaint basis.2
District Energy Service
CDHI owns and operates the DDEC which provides thermal energy,
in the form of central heating and hot water services, to
commercial, municipal and residential buildings in downtown
Calgary. The DDEC is centrally located and uses a combined heat and
power generating unit and four high-efficiency boilers to heat
water that
