MONTGOMERY COUNTY --Huge plumes of smoke were seen for miles as a piece of equipment caught fire near an Entergy substation in Montgomery County. It started around 6am Thursday morning at the substation on FM 1314 and State Highway 242. The Montgomery County Fire Marshal said a bank of approximately 432 Static VAR Capacitors each containing five gallons of mineral oil caught fire in a fenced area surrounded by gravel. The fire department decided to allow the mineral oil to burn itself out. Entergy officials say there are no outages because of the fire and they don't anticipate any shortages today. The fire marshal says there have been no evacuations and the fire poses no immediate danger to the surrounding community. There are no reports of any injuries. Authorities and Entergy officials say they will access the damage and determine what caused the fire. The Texas Commission on Environmental Quality has also been notified and is monitoring this event.