GreatRiverEnergy3Jamestown (CSi) The start of construction on the rail loop at the Spiritwood Energy Park could begin next spring.

The SEPA Board of Directors authorized advertising for bids for rail materials, ground preparation, installation and construction.

The rail loop will cover the 550-acre industrial park near Spiritwood. Plans for the industrial park.

Costs for the SEPA industrial park, including the rail loop, roads and other infrastructure is estimated at $7.5 million. The Jamestown/ Stutsman Development Corp. is making a $3.75 million investment with the other funds secured by GRE.

The awarding of the bids later this month willcoincide with the finalization of financing for the Dakota Spirit AgEnergy ethanol plant that will utilize the rail loop.

The ethanol plant is owned by GRE and will be the anchor tenant of the industrial park,

Dakota Spirit AgEnergy held an official groundbreaking on Aug. 10.