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TVA's "Green" Power

TVA loses millions on Mississippi Regenesys power

Added 2006-05-07 thanks to Energy Bulletin

This news follows cancellation of TVA's "Green" Power RegenesysTM Energy Storage for Columbus Air Force Base

This cancellation follows cancellation of proposed RegenesysTM Energy Storage for TVA's Buffalo Mountain Wind Power Plant before construction began. Although they blame engineering and financial problems in the articles below, inadequate risk/reward is another valid reason for cancellation.

Published on 18 Aug 2004 by Energy Central. Archived on 18 Aug 2004.

Tennessee Valley Authority loses millions on Mississippi power

by staff reporter

The Tennessee Valley Authority recovered less than half of its $36 million investment in a failed power storage process in Mississippi, according to a financial report released Tuesday. In its latest quarterly report, TVA said a venture organized by the German conglomerate RWE paid TVA $15 million on April 30 for losses from the canceled project.

TVA had invested $36 million in the venture, known as Regenesys, before the project was canceled because RWE didn't want to proceed with the joint venture through its Innogy Ventures Ltd subsidiary. Regenesys was designed to act like a giant battery to store energy and improve the reliability of TVA's electric service in Columbus, Miss

~~~~~~~~~~~~~~~ Editorial Notes ~~~~~~~~~~~~~~~~~~~

DL writes:
Moving to highly intermittent sources of energy like wind or solar PV entails either a proportionately larger (80% to 20%, some say) "base" source for electrical power (like gas, coal, nuclear or steady hydroelectric); if there was a way to store large amounts of intermittent power and release in a controlled fashion to the grid that would enable a larger % contribution from wind and solar. So, there are a lot of schemes out there to capitalize on this future need. [This is] one that didn't make it; what could be simpler than a giant battery?

Original article was available at Energy Central.

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