Wyoming Public Service Commissioners reluctantly approved another double-digit rate increase for Rocky Mountain Power on ...

Thousands of Rocky Mountain Power residential customers will see their monthly electric bills jump by about $14 beginning in ...

Cheyenne, Wyo. - Thousands of Rocky Mountain Power residential customers will see their monthly electric bills jump by about ...

Rocky Mountain Power (RMP) residential customers should prepare to see their monthly electric bills jump starting this June.

More than 6,300 Rocky Mountain Power customers were impacted by a power outage that spread throughout the south Salt Lake ...