There are no pros noted


Review score is below industry average of 3.98


NABCEP qualified installer


Solar panel cost calculator

All Efficient Energy of Tennessee (EETN) reviews

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Efficient Energy of Tennessee (EETN) prices

This installer does not publish their standard system prices on the net.

As such we have used average pricing from the installers service areas as a proxy for what this company would most likely charge for a solar system.

System size


Average cost per watt


Net cost of system

$19,894 - $24,314

Average payback time

Annual power production

17,677 kWh

Levelized cost of solar energy

Levelized cost per kWh is the cost of the solar system divided by the total number of kWh produced by a solar system over it’s lifetime.

6¢ kWh

If you don't get solar

18¢ kWh

Forecast average TN electric rates over the next 25 years

Installers description for their business

We pride ourselves not only on the number of installations but also on our integrity and generation capacity of our systems. We have experience installing various types of solar PV systems. Roof top, ground mount, top of pole mount and solar canopies are the type of mounting structures we currently deploy.

We have installed one of the largest solar arrays in the seven state TVA region and continue to install small, mid-sized, and utility scale systems throughout the Southeastern area of the US and surrounding area.

Efficient Energy of Tennessee not only has the experience but also has well-trained NABCEP certified solar photovoltaic (PV) installers on staff which allow us to provide quality solar installations for residential, commercial, and utility scale solar PV systems.

EETN has experience installing residential, commercial, and utility scale solar PV systems.

Brands sold

This installer does not publish the brands they use on the net.



1707 Depot Street, Powell TN, 37849


(click to reveal) ..3386


Efficient Energy of Tennessee (EETN)

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1707 Depot Street, Powell TN, 37849

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