THE cause of an early morning blaze that destroyed thousands of dollars worth of equipment at the Emus' shed has been determined as an electrical fault.

Central West Police District Crime Manager Detective Chief Inspector Bruce Grassick said officers had now finalised their investigation following the fire on Thursday morning.

Earlier 7.00am

A CRIME scene has been established following a blaze in the early hours of Thursday morning that destroyed thousands of dollars of equipment belonging to the Orange Emus Rugby Union Football Club.

Fire, police and ambulance crews were called to the Endeavour Oval storage shed on Woodward Street at 3.50am on Thursday following reports of a large fire.

Fire and Rescue NSW Orange Station Officer Matt Jeffrey said the shed was fully engulfed by flames when they arrived on scene.

MAP: The location of the storage shed ...

"The storage shed contained all their mechanical equipment, like mowers, line-marking machines, training pads and tackle machines," he said.

"The shed was filled with foam and rubber and that catches fire really quickly.

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"Everything was totally destroyed."

Central West Police District Senior Constable Angela Payne said detectives were still on scene at 7.15am on Thursday.

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"It's currently under investigation," she said.

There were no reported injuries during the incident.

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The free-standing shed was located away from the stadium and clubhouse and the fire did not spread to any other structures.

If you have any information that could assist police call Orange Police Station on 6363 6399 or Crime Stoppers on 1800 333 000.