Generator Installation Cost St. LouisGenerator Installation Cost St. LouisGenerator Installation Cost St. LouisGenerator Installation Cost St. LouisGenerator Installation Cost St. LouisGenerator Installation Cost St. LouisGenerator Installation Cost St. LouisGenerator Installation Cost St. LouisGenerator Installation Cost St. LouisGenerator Installation Cost St. Louis

Generator Installation Cost in St. Louis, MO

Detailed pricing guide with local market adjustments and material comparisons

St. Louis Average

$3,450–$17,250

Market Tier

Large City

Cost Breakdown

Generator Installation Cost in St. Louis

Large City

LowAverageHigh

$3,450$10,350$17,250

Market Tier

Large City (1.15x)

Large city with competitive market and moderate-high costs

Material Cost Comparison

Generator unit(Budget)

$2,588–$12,938

Automatic transfer switch(Mid-Range)

$3,450–$17,250

Fuel line connections(Premium)

$4,830–$24,150

Factors that affect your cost

Generator size (kW capacity)
Standby vs portable
Automatic transfer switch
Natural gas vs propane vs diesel
Concrete pad installation
Permit and inspection fees
Distance from panel

Get Quotes in St. Louis

Mister Sparky of St. Louis

Saint Louis, MO

(314) 257-0053

Exceptional Electric

St. Charles, MO

(636) 782-4170

Kay Bee Electric | St. Louis Electrician

St. Charles, MO

(314) 837-3308

Streib Company

Saint Louis, MO

(314) 487-7474

Founding Member

Premium spot in St. Louis

Ambassador

Lead the St. Louis community

Founding Member

Premium spot in St. Louis

View all 26 electricians in St. Louis →

St. Louis Housing Market

Median Household Income

$55,279

Median Home Value

$185,100

Median Rent

$978/mo

Homeownership Rate

45.4%

Population

293,109

Median Year Built

1938

Source: U.S. Census Bureau, ACS 2023 5-Year Estimates

Track Your Costs

Electrical

Generator Installation

Date

April 2026

Cost

$10,350

Vendor

Your local pro

Warranty

10-year material warranty

St. Louis average: $3,450–$17,250

Before

Issue documented with photos

After

Repair completed, area sealed

Materials Used

Generator unitAutomatic transfer switchFuel line connectionsConcrete pad

Warranty Details

10-year material warranty

Auto-Checkup Created

"Generator Test Run" — every 3 months

Added by youApril 2026

Property Health Score

Fair

electrical category +10 pts(69 → 79)

Documentation19/25

Maintenance20/25

Warranty22/25

Investment21/25

Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.

Track this repair in PropDoctor →

Get a Personalized Estimate

Find a electrician near me

I found 26 electricians in your area. Here are the top results:

Professionals Found

26 results

Smith & Sons

Connected

electrician

4.9(47)

BookQuote

J&R Home Services

electrician

4.7(23)

From $95/hr

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Add to Property History

electrician

Title:electrician

Category:electrician

Date:2026-04-06

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Cost FAQ

What is the average cost of generator installation in St. Louis?

The average cost of generator installation in St. Louis, MO ranges from $3,450 to $17,250. The final price depends on Generator size (kW capacity), Standby vs portable, Automatic transfer switch.

What factors affect generator installation cost?

Key factors include: Generator size (kW capacity), Standby vs portable, Automatic transfer switch, Natural gas vs propane vs diesel, Concrete pad installation, Permit and inspection fees, Distance from panel. In St. Louis, local labor rates and material availability also influence pricing.

How do I get accurate quotes for generator installation in St. Louis?

Get at least 3 quotes from licensed professionals in St. Louis. Use Fizbo SmartSearch to find and compare local electricians, read reviews, and request estimates — all in one place.

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Generator Installation Cost in Nearby Cities

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Generator Installation Cost in St. Louis, MO

Cost Breakdown

Generator Installation Cost in St. Louis

Material Cost Comparison

Get Quotes in St. Louis

St. Louis Housing Market

Track Your Costs

Generator Installation

Property Health Score

Get a Personalized Estimate

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