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Generator Installation in Des Moines, IA

Compare 22 generator installation contractors near you in Des Moines and surrounding area with an average rating of 4.5/5. Get free quotes, read reviews, and find the right pro for your project.

Last updated March 22, 2026

Verified Pro Installers

Other Businesses in This Area

Energy Solutions

2 years online
energysolutionsiowa.com

Absolute Generators

5.020+ years online
absolutegenerators.com

Arc Electric

4.9
arcelectric.co

Mr. Electric of Central Iowa

4.930+ years online
mrelectric.com/central-iowa

Rewired Iowa Electrician Des Moines

4.93½+ years online
rewirediowa.comGet a Free Quote

Custom Electrical Services

4.818½+ years online
customelectricalia.comGet a Free Quote

Lazer Home Services Plumbing, HVAC, & Electrical

4.88+ years online
lazerhomeservices.com

Commonwealth Electric Company of the Midwest

4.727½+ years online
commonwealthelectric.com/des-moinesGet a Free Quote

P&P Small Engines

4.524+ years online
pandpsmallengines.com

S & H Electric Co

4.4

Clive Power Equipment

4.126½+ years online
clivepowerequipment.comGet a Free Quote

Glass & Sons Electric Inc

4.0

Cummins Sales and Service

3.835½+ years online
cummins.com/sales-and-service

Generac Sales in Iowa

2.0

Generator Installation in Nearby IA Cities

Cedar Rapids(29)Davenport(22)Sioux City(20)

Other Services in Des Moines

Access Control & Intercom(38)Alarm System Installation(21)Appliance Installation(20)Artificial Turf Installation(33)Automotive Installs(1)Concrete & Paving(30)Deck & Patio Building(34)Electrical Services(23)EV Charger Installation(9)Fencing & Gate Installation(24)Fire Protection & Sprinklers(23)Garage Door Installation(20)

About Generator Installation in Des Moines

Generator installation ranges from portable transfer switch setups to whole-home standby generators that start automatically during power outages. Standby generators connect to your electrical panel and run on natural gas or propane.

Typical costs: A transfer switch for a portable generator costs $500–$1,500 installed. Whole-home standby generators (Generac, Kohler) typically run $5,000–$15,000 fully installed including the concrete pad, gas line, and electrical connections.

Common projects include:
  • Whole-home standby generator installation
  • Transfer switch installation for portable generator
  • Generator maintenance and load testing
  • Natural gas line connection for generator
  • Commercial backup power systems

Standby generator installations require electrical permits and often gas or plumbing permits for the fuel line. Some areas also require noise or setback compliance.

Frequently Asked Questions

How much does generator installation cost in Des Moines?
A whole-home standby generator (14–22 kW) with automatic transfer switch typically costs $5,000–$15,000 installed. The unit itself is roughly half the cost — installation includes the concrete pad, gas line, electrical hookup, and permits.
How do I find a reliable generator installation contractor in Des Moines?
Choose an installer authorized by the generator manufacturer (Generac, Kohler, Briggs & Stratton). They should perform a load calculation to properly size the unit, not just recommend the biggest one. Ask about warranty terms and annual maintenance plans.
Do I need a permit for generator installation in Des Moines?
Yes — standby generators require electrical permits and typically gas or plumbing permits for the fuel connection. Your installer should handle all permit applications and coordinate inspections.

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