Power has been restored after a brief outage Sunday in northwest Calgary.

ENMAX says the outage began at 1:26 p.m. Sunday and affected the communities of Nose Hill Park, Huntington Hills and Beddington Heights.

The outage is being investigated but it's not clear at this point what caused it.

Yesterday an outage also knocked out power at Sikome Lake, forcing the facility to close.

Officials with ENMAX said equipment failure was to blame for Saturday's problems.