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Backup Generator Installation Cost in Tennessee

Based on 2 community reports across Tennessee, NeighborPrices shows a typical backup generator installation range from $14000.00 to $16000.00, with a median of $15000.00.

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Price distribution

Median $15,000.00 · typical $14,500.00–$15,500.00

$15,000.00

$14,000.00

$16,000.00

Shaded band: middle 50% of reports (25th–75th percentile). Median tick in teal.

Most jobs land between $14,100.00 and $15,900.00 (5th–95th percentile). Ignoring 1 outlier below and 1 above.

Based on reports from Apr 2026 (first entries this month).

Data freshness: 2 reports in the last 90 days. Help keep this current →

Data last updated Apr 8, 2026.

Size context is still being collected (0 of 2 reports include home size or system size). Numbers above may not reflect what your specific home would pay. Add a report to sharpen this →

Latest reports

The underlying prices behind this page.

2 total reports

$14,000.00

Memphis, TN · 7 days ago

Size not reported

Installed a 20kw Cummins whole house generator for $14k with Conway in 2021.

$16,000.00

Memphis, TN · 7 days ago

Size not reported

Got a quote from Benchmark for a full house generator, it was about $16k, which seemed reasonable. They use Cummins generators.

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