Tax credit certification again sought for London/Marmet hydro project

Hydro operator Appalachian Power Co. has asked the Federal Energy Regulatory Commission to certify incremental generation at its 16.099-MW London hydroelectric development as eligible for renewable energy production tax credits.

The London development is part of Appalachian Power’s two-powerhouse 28.8-MW London/Marmet project (No. 1175) on the Kanawha River in Kanawha County, W.Va. FERC certified incremental generation at the Marmet development for tax credits in 2008. (HydroWorld 10/7/08)

In a June 30 filing, Appalachian Power said it upgraded London development Unit 3, returning it to service in May 2008. It said the development has an annual historical generation baseline of 76,588 megawatt-hours and incremental generation of 2,329 MWh, an increase of 3 percent.

FERC certifies sixth unit of 168.4-MW North Georgia project

In other action, FERC certified incremental generation for production tax credits of a sixth unit of the 168.4-MW North Georgia hydroelectric project in Georgia and South Carolina.

Multi-state utility Southern Co. received FERC certification in December 2009 for efficiency improvements from upgrading and replacing five turbine-generators of North Georgia that were placed in service in 2008. (HydroWorld 1/6/10) The six-dam, six-powerhouse North Georgia project (No. 2354) is on the Tugalo River in Georgia and the Tallulah River in South Carolina.

On June 9, FERC certified additional generation at Unit 3, the sixth and final generating unit to be upgraded at the project. FERC certified a historical generation baseline for the unit of 17,097 MWh and incremental generation from the improvements of 66.2 MWh, an increase of 0.39 percent in generation.

Montana’s 11.25-MW Mystic Lake wins PTC certification

FERC also certified incremental generation for production tax credits by the 11.25-MW Mystic Lake hydroelectric project in Montana.

Mystic Lake (No. 2301) is the first hydroelectric project to be licensed by FERC using the Integrated Licensing Process. (Hydro Review March 2008) The process, created to provide a more streamlined and efficient means of obtaining a license, coordinates FERC’s work with that of other agencies and groups. (Hydro Review April 2007)

Licensee PPL Montana requested PTC certification for incremental generation due to replacement of two generating units at Mystic Lake, at a remote site on West Rosebud Creek near Fishtail, Mont. (Hydro Review October 2008) The utility replaced two original 1920s-vintage Pelton turbines with identical used 1970s turbines.

On June 2, FERC certified a historical generation baseline for the project of 56,770 MWh and incremental generation from the improvements of 6.442 MWh, an increase of 11.34 percent in generation.

FERC certifies additional units at 230.75-MW Osage project

FERC also certified efficiency improvements from the upgrade of two additional generating units at AmerenUE’s 230.75-MW Osage project on the Osage River in Missouri.

FERC issued a similar certification in 2009 for upgrades to two other generating units and an operating system at Osage. (HydroWorld 5/30/09)

In the latest request, AmerenUE reported efficiency improvements from upgrades to Units 6 and 8 by replacing turbine runners, rewinding generator stators, and reinsulating generator rotor poles.

FERC certified on April 2 a historical generation baseline for the units of 599.059 MWh and incremental generation of 10.921 MWh, a 1.82 percentage of generation due to improvements.

FERC has certified incremental generation for more than three dozen hydro projects since August 2005. (HydroWorld 3/8/10) The Energy Policy Act of 2005 amended the Internal Revenue Code to apply a production tax credit to incremental production gains from efficiency improvements or capacity additions to existing hydropower facilities placed in service after Aug. 8, 2005, and before Jan. 1, 2014. The Internal Revenue Service determines whether to grant the credits after FERC certifies hydropower production.

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