The Alberta mountain town of Jasper is expected to remain on generator power for weeks as an out-of-control wildfire continues to burn near the community.

The wildfire on Chetamon Mountain in Jasper National Park is now estimated to cover an area of around 5,500 hectares, Parks Canada said Wednesday morning.

The fire, located about 15 kilometres north of the town, is not a threat to Jasper or other nearby communities, officials say.

The mountain town, about 360 kilometres west of Edmonton, lost power early Monday morning. Atco is transitioning the town to backup generators but technical difficulties delayed efforts on Tuesday, meaning only half of