TVA unveils 40-MWh battery project in Tennessee

The Tennessee Valley Authority (TVA) said on Monday it is installing a 40-MWh battery energy storage system (BESS) near an industrial complex in Vonore, Tennessee.

The lithium-ion batteries used in the planned facility will be able to store enough energy to power more than 10,600 homes for three hours, TVA estimates. The system will store energy when demand and prices are low for use when demand is higher. It will provide electricity to local industrial customers served by Loudoun Utilities Board.

Completion of the project is expected in 2022.

While the Vonore BESS is expected to be TVA’s first such facility to enter into service, the US corporate agency also has plans for a solar project in Lowndes County, Mississippi, tied to a 200-MWh BESS. Both battery systems are part of the 2019 TVA Integrated Resource Plan, which envisages adding up to 5 GW of energy storage through 2038.

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