More than 4,500 hundred Rocky Mountain Power customers in the east Casper area are without power.

According to the company's website, the outage was first reported at 1:25 p.m. Tuesday. Specific areas affected by the outage are not listed on the website, but it does say 4,509 customers are without power. Crews have been notified and power is expected to be restored before 4 p.m. Tuesday.

A cause is under investigation.

Areas affected include the zip codes 82601, 82609 and 82636.

K2 Radio News has reached out to Rocky Mountain Power.

K2 Radio News will update this story when we know more.