MWH to design three Ohio River projects totaling 191 MW

The developer of three Ohio River hydroelectric projects has named MWH to provide engineering design services for the 35-MW Willow Island, 72-MW Smithland, and 84-MW Cannelton projects.

American Municipal Power-Ohio Inc. (AMP-Ohio) told HydroNews.net that MWH would serve as the owner’s engineer. The firm will be responsible for powerhouse design, turbine-generator equipment specifications, cofferdam specifications, general construction specifications, concrete structures, mechanical and electrical systems, transmission lines, and balance of plant.

AMP-Ohio, which represents 119 municipal utilities in five states, said MWH will take the projects through construction, including design engineering, engineering during construction, and resident engineering.

AMP-Ohio plans to develop Willow Island (No. 6902), on the Ohio between West Virginia and Ohio, as an agent for licensee New Martinsville, W.Va., an AMP-Ohio member. It will develop Smithland (No. 6641) and Cannelton (No. 10228) for itself. AMP-Ohio acquired the licenses for Smithland and Cannelton from another developer with Federal Energy Regulatory Commission approval. (HNN 2/1/07) AMP-Ohio already operates the 42-MW Belleville project (No. 6939) on the Ohio in West Virginia.

Earlier this year, the utility won FERC approval to make changes in configuration of Smithland and Cannelton, using conventional horizontal shaft bulb turbines. Previous designs called for the projects to use modular Hydromatrix generating units.

AMP-Ohio said 76 of its members agreed to fund initial development costs for Smithland and Cannelton, allowing for engineering to begin with anticipated long-term financing planned for early 2008. AMP-Ohio anticipates site work will begin immediately, as sub-surface core borings are taken to provide geotechnical information to be included in project design.

Smithland will be located at a Corps of Engineers lock and dam on the river between Kentucky and Illinois, near Smithland, Ky. Cannelton will be located at a Corps lock and dam between Kentucky and Indiana, near Cannelton, Ind.

�AMP-Ohio is committed to further hydro development on the Ohio River,� AMP-Ohio President Marc Gerken said following license transfers for Smithland and Cannelton. �We have been happy with the operational success of the Belleville Hydroelectric Plant, which has been on-line since 1999.�

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