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Power You Can Rely On — Even When the Grid Fails Reliable Generator Solutions for Your Home or Business

We provide expert generator installation, repair, and maintenance to keep your power on when it matters most. Contact us today to learn more and protect your home or business!

Generator Services in St. Louis

Home Standby Generator Installation, Repair, & Maintenance for Residents in St. Charles & St. Louis Counties 

Power outages in the St. Louis area can interrupt far more than your lights. Whether a severe thunderstorm, ice accumulation, or equipment failure takes down electric service, an outage can affect refrigeration, heating or cooling equipment, medical equipment, and food storage. For households with young children or essential electrical needs, the stakes are real.

A home standby generator can provide backup power automatically after the utility supply goes down. Potts Electric has helped St. Louis homeowners take control of their power since 2021. Our licensed electricians handle generator sizing, installation, maintenance, and repairs, bringing more than a decade of residential electrical experience to each project.

We walk through how a power loss affects your household routine, then recommend options based on your home and comfort priorities. This gives you a clear basis for deciding whether permanent backup power is right for your household.

Call us at (636) 322-2006 to schedule a generator consultation.

What St. Louis Homeowners Should Know About Standby Generators

A standby generator is a permanent fixture connected directly to your home’s electrical panel and an available natural gas supply or propane supply. It requires no extension cords or manual starting. When grid power drops, an automatic transfer switch detects the outage and transfers the home to generator power.

Backup power can cover selected critical circuits or a broader share of the home. Before recommending equipment, we discuss which routines and household functions matter when the power is out. Some homeowners prioritize refrigeration, a furnace blower, and lighting, while others want to support additional comfort loads.

Standby generator planning can address:

  • Essential electrical needs: Refrigeration, sump pumps, selected outlets, lighting, and heating equipment can be included.
  • Household comfort: The system can support the routines and equipment you want to maintain through a power loss.
  • Automatic operation: A permanently connected system can start without the setup required for a portable generator.
  • Coverage choices: We explain the difference between supporting selected circuits and providing wider household coverage.

Our recommendations reflect your household’s electrical demands and the level of backup power you’re comfortable selecting. We review detailed load calculations and starting-amp requirements during the sizing process.

Generator Safety for St. Louis Homeowners

A standby generator is engine-driven equipment that requires careful placement, professional installation, and routine service. Safety planning begins before equipment is placed on the property.

  • Generator placement requires careful review. Generator exhaust contains carbon monoxide and must be directed away from living spaces. We review clearances from the home, windows, doors, and other openings while planning the installation.
  • Equipment access matters. The generator needs suitable space for inspection and future maintenance. Placement also accounts for the pad or mounting area and access to service components.
  • Routine maintenance supports outage readiness. Fuel components, oil, spark plugs, batteries, electrical connections, and stored fault codes can reveal concerns that need attention before the next outage.

Potts Electric provides maintenance services for existing generators throughout the St. Louis metro. We also offer maintenance plans and seasonal service reminders to keep routine care on schedule.

Why St. Louis Homeowners Choose Potts Electric for Generators

Generator projects can involve equipment selection, electrical work, fuel considerations, permits, and future maintenance. At Potts Electric, we explain each part in plain language and provide upfront, flat-rate pricing before work begins. You can review the proposed work and ask questions before making a decision.

What you can expect from our generator services:

  • Family-owned service: We approach each project with respect for your home, safety, and priorities.
  • Clear pricing: You receive straightforward costs before installation or repair work starts.
  • Guided decisions: We explain generator options based on your home and backup-power goals.
  • Established accountability: We hold an A+ Better Business Bureau rating.
  • Accessible communication: Spanish-speaking support is available for homeowners who prefer it.

How to Choose the Right Home Standby Generator for Your St. Louis-Area Home

The right system depends on what you want to keep running during a power loss. Potts Electric helps homeowners in St. Louis and the surrounding areas select a standby generator that matches their home, budget, and comfort expectations without paying for unnecessary capacity.

Start with Your Power Priorities

Before we recommend a generator, we’ll walk through what matters most to you. Some homeowners want essentials only, while others prefer near whole-home coverage.

  • Essential circuits: Refrigerator/freezer, sump pump, furnace blower, well pump, key outlets, garage door, and select lights
  • Comfort add-ons: Wi-Fi equipment, home office, microwave, and laundry
  • Whole-home coverage: Larger loads like central air conditioning, electric ranges, hot tubs, or pool equipment, when desired

Why Proper Sizing Matters

A correctly sized standby generator is planned to account for surge loads and operating demands. An undersized system may struggle when large appliances start; an oversized system can cost more upfront and may operate less efficiently. We account for household electrical demands and starting amps to choose a generator that fits your household’s needs.

We also review how finished basements, electric vehicle chargers, and future remodels may change your power usage. During an in-home visit, we consider older or newer HVAC equipment, gas or electric cooking, and well water or municipal service. Each can affect the right size for a residential generator installation that St. Louis homeowners can depend on during extreme weather.

Fuel Options & What to Expect

Most standby generators in the Metro St. Louis area run on natural gas or propane. We’ll discuss what’s available at your property and explain runtime, refueling considerations, and ongoing convenience so there are no surprises through an extended outage.

In many neighborhoods, existing natural gas service through local utilities makes connecting a new standby unit straightforward, while homes on the outskirts of St. Louis County may rely more on on-site propane tanks. We talk through how local conditions, such as winter ice along I-44 or summer storms sweeping across I-70, can affect access for fuel deliveries and how that should factor into your plans for a generator installation that St. Louis families can trust in stressful situations.

Automatic Transfer Switch: The Key to Seamless Backup Power

A standby generator isn’t a standalone appliance. It’s an integrated backup-power system. The automatic transfer switch detects an outage and safely switches your home to generator power, then returns it to the utility supply when service is restored.

An automatic transfer switch provides:

  • Fast, automatic response without manual setup in bad weather
  • Isolation between household wiring and the utility grid before generator power is used
  • Protection against dangerous backfeed onto utility lines
  • Integration for select-circuit or wider household coverage

We evaluate transfer-switch needs and panel integration as we design the system. We explain the available options before the project starts.

Permitting, Code Compliance, and Clean Installation

Generator projects involve electrical code requirements and, in many cases, permits and inspections. Potts Electric focuses on a clean, professional installation planned around reliability and compliance, so your system is prepared for an outage.

We review clearances, grounding methods, and wiring practices during project design. We handle the permitting process for every generator installation and plan the work around applicable inspections. We also consider equipment access and labeling so future service work can be completed safely.

Standby Generator Permits in St. Louis

Permanent standby generators connected to a building’s wiring generally require permits, unlike portable generators used temporarily without hardwiring. Requirements depend on the jurisdiction where the property is located.

Named local requirements include:

  • City of St. Louis: Electrical permits are required for installing, repairing, replacing, or converting parts of an electrical system.
  • St. Louis County: Building permits are required for emergency generators.
  • Creve Coeur: A permanent residential emergency generator requires a building permit and a site plan showing its location relative to the home and property lines.

We handle the applicable permitting process for each generator installation. Placement, electrical details, and required documentation can be reviewed as part of permitting and inspection.

Make Outages Less Stressful with Ongoing Maintenance

Like any engine-driven equipment, standby generators require routine care. Regular maintenance can identify start-up concerns, battery issues, and service needs before an outage.

Most manufacturers recommend full generator service annually or after every 200 hours of operation, whichever comes first. A standby generator also runs a brief automatic self-test each week, but that built-in cycle doesn’t replace a complete maintenance visit.

During a maintenance visit, we typically inspect wiring connections, review stored fault codes, check for rodent or debris intrusion, and examine the pad or mounting area for shifting. We can also inspect oil levels, filters, spark plugs, battery condition, controls, and cycling operation.

We’ll discuss any recent outages, error messages, or changes in how you use your home. These details let us evaluate whether the generator’s current setup still reflects your household power priorities.

Generator FAQs in St. Louis

How Much Does a Standby Generator Installation Cost?

Cost depends on generator size, fuel type, transfer-switch requirements, and the complexity of panel integration. We provide a written estimate after reviewing your existing fuel service and discussing how much of the home you want to support through a power loss.

How Long Does Installation Take?

Most residential standby generator installations are completed in one day. Larger or more complex projects may take two days. We handle the permitting process for every installation. Weather can occasionally influence scheduling, especially during heavy storm seasons in the region, but we keep you updated so you know when to expect our crew.

Before we leave, we will walk you through how the system operates, what the normal self-test cycle looks like, and how to reach us if you have questions about generator service that St. Louis homeowners need after installation.

How Often Does a Standby Generator Need Maintenance?

Maintenance frequency depends on the manufacturer’s schedule, operating hours, and generator condition. Routine service includes checking key components, reviewing fault codes, and confirming that the unit completes its normal test cycle.

Will a Generator Work with My Existing Electrical Panel?

In most cases, yes. We assess your panel during the sizing consultation and identify any upgrades needed to support a transfer switch installation. We’ll walk you through the full scope before the project starts.

Common panel-related considerations include:

  • Available space: Whether there is room for added breakers or a subpanel makes more sense
  • Age of equipment: Older panels in historic homes near central St. Louis may need upgrades to support modern loads
  • Capacity and layout: How existing circuits are arranged and which ones you want on generator power
  • Accessibility: Whether the panel and transfer equipment allow safe service and clear labeling

Older homes in areas like South City or historic parts of St. Charles sometimes have legacy panels or limited space, and those conditions become part of our recommendations. We explain how any upgrades will affect the project timeline and cost so you understand what to expect from a generator service that St. Louis homeowners can count on after installation day.

Is Financing Available for Generator Work?

Yes. We partner with GoodLeap to offer financing with a soft credit check and flexible payment plans. We can explain the available financing option after reviewing the proposed generator work and providing your written estimate.

What Warranty Coverage Comes with Generator Service?

Every Potts Electric service includes a 5-Year Parts and Labor Warranty at no additional cost. We also offer a transferable 10-Year extended warranty with routine maintenance. We can explain the maintenance requirements and coverage terms before service starts.

How Can I Reach Your Team About an Urgent Generator Concern?

Our live 24-hour answering service can schedule service at any time and prioritizes the most severe cases. Weekday emergency calls have no visit fee. Weekend emergency visits have a flat $299 fee.

Don’t wait until the next outage to consider backup power. Call Potts Electric at (636) 322-2006 or contact us online to discuss generator installation, repair, or maintenance in St. Louis.

They did what they promised, and finished shockingly quick.
“Friendly, fast, and knowledgeable. We called the wrong electrician last time. They took forever, and still didn’t do what we asked. This time we called Potts, and we’re happy we did. They did what they promised, and finished shockingly quick. Courtney was excellent. Thank You.”
Timothy M.

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    When electrical problems can't wait, our team is ready to respond. Weekday emergency calls come with no visit fee, and weekend emergency visits are a $299, so you always know what to expect.
  • Free Estimates When Safety Is on the Line
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