Top
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 are not a matter of if; they're a matter of when. Whether it's a severe thunderstorm rolling through St. Charles County, an ice storm knocking out lines in Franklin County, or an equipment failure on a sweltering August night, losing power means more than inconvenience. For households with medical equipment, young children, or freezers full of food, the stakes are real. 

A home standby generator removes that vulnerability, switching on automatically the moment the grid goes down and running until power is restored. Potts Electric has been helping St. Louis homeowners take control of their power since 2021. Our licensed electricians handles the full scope of generator work, from sizing and installation to ongoing maintenance and repairs, and we back every job with a satisfaction guarantee.

For families who have dealt with repeated outages near the Missouri and Mississippi River corridors, a properly planned system can feel less like a luxury and more like a basic necessity. We walk through how your daily routine is affected when the grid goes dark, then recommend options that fit your home and comfort level so you can make a confident decision about permanent backup power.

Reach out to Potts Electric at (636) 322-2006 to schedule a generator installation or repair service in St. Louis and the surrounding areas today!

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 natural gas or propane supply. Unlike a portable generator, it requires no setup, no extension cords, and no manual starting. When utility power drops, an automatic transfer switch detects the outage and signals the unit to start, typically within seconds.

Proper sizing matters more than most homeowners realize. A generator that's too small won't power the circuits that matter most; one that's oversized costs more than necessary upfront and runs inefficiently. Proper sizing starts with a load calculation that accounts for your home's square footage, critical circuits, HVAC system, and any high-demand appliances. Our licensed team performs this assessment before recommending any unit, so you get a solution matched to your actual needs rather than a generic one.

Key benefits of a properly sized standby generator include:

  • Reliable performance: the system can handle normal and surge loads without frequent tripping or stalling
  • Improved efficiency: the generator operates closer to its intended load range, which supports smoother operation
  • Better comfort: you can keep priority circuits on, such as heating or cooling, refrigerators, and lighting, even during extended outages common in parts of the St. Louis region
  • Planning for growth: we help you consider future projects, such as basement finishes or new HVAC equipment, so the system remains a good fit

Homeowners in areas that see frequent outages, such as older tree-lined streets near Forest Park or pockets of unincorporated St. Louis County, often have different expectations than those who lose power only a few times a year. We talk openly about how much of your home you want to support, how loud the unit can be in relation to nearby neighbors, and where a generator can be placed safely on your lot so that you know what to expect from generator service St. Louis families rely on.

Generator Safety for St. Louis Homeowners

A standby generator is one of the most valuable investments a homeowner can make for resilience and peace of mind, but it is also a piece of equipment that demands respect. 

  • The most critical safety requirement for any home generator is proper transfer switch installation. A generator connected to a home's electrical system without a transfer switch can backfeed power onto utility lines, creating a life-threatening hazard for utility workers in your neighborhood. Every Potts Electric generator installation includes a properly installed transfer switch that isolates your home's system from the grid before the generator comes online.
  • Placement matters as well. Generators produce carbon monoxide, and that exhaust has to go somewhere other than into your living space. Standby generators should be installed at a safe distance from the home, with clearance from windows, doors, and any openings that lead to interior spaces. This is not a detail to work out after the fact. Proper siting is part of the installation plan, and our team assesses it before any equipment is placed.
  • Once installed, a generator requires regular maintenance, which you can perform when you actually need it. Fuel systems, oil levels, spark plugs, and battery connections all require periodic attention, and a generator that has not been exercised or serviced in years may not start reliably during an outage. 

Potts Electric offers maintenance services for existing generators throughout the St. Louis metro, because the best time to find out your generator has a problem is not the moment the power goes out.

Why St. Louis Homeowners Choose Potts Electric For Generators

Choosing the right company for generator installation or service is just as important as selecting the equipment itself. In the St. Louis area, homeowners want a team that communicates clearly, respects their home, and understands local power conditions and weather-related outages. At Potts Electric, we bring that combination of experience and transparency to every project, working in neighborhoods across St. Louis City, St. Louis County, and surrounding communities. Our recommendations are grounded in real-world conditions we regularly see in local homes and utility systems, helping you make decisions with confidence from the start.

Why St. Louis homeowners choose Potts Electric for generator services:

  • Local, family-owned expertise: We are rooted in the St. Louis area and provide recommendations based on firsthand experience with local homes and utility grid conditions.
  • Clear, upfront pricing: You receive straightforward pricing before work begins so there are no surprises during installation or repair.
  • Simple, guided decision-making: We explain your options in plain language so you understand what system best fits your home and power needs.
  • Reliable repair and storm readiness support: Whether it is routine service or a home generator repair St. Louis homeowners need after severe weather, we help restore dependable backup power quickly.
  • Ongoing maintenance and long-term care: We offer maintenance plans, seasonal service reminders, and practical guidance to help keep your generator ready when outages occur.

Don't wait until the next outage to consider backup power. Call Potts Electric at (636) 322-2006 or contact us online to discuss a new generator in St. Louis.

Savings Made Simple

Quality Electrical Work with Budget-Friendly Offers
  • Potts Electric Potts Electric
    $200 OFF Panel Replacement Special

    Upgrade & Save! Get $200 off your electrical panel replacement. No cost estimate.

    Valid May 1, 2026 - Jun 30, 2026
  • Potts Electric Potts Electric
    Free Safety Inspection Peace of Mind, On Us!

    Protect your family and your investment. Schedule a FREE Electriccal Safety Inspection.

    Valid May 1, 2026 - Sep 30, 2026
  • Potts Electric Potts Electric
    $500 OFF Generator Installation

    Be Storm-Ready! Save $500 on whole-home generator installation. No cost estimate & 1st Maintenance included with install.

    Valid May 1, 2026 - Jun 30, 2026
  • Potts Electric Potts Electric
    $200 OFF EV Charger Intallation

    Save $200 on EV home charger installation.

    Valid May 1, 2026 - Jun 30, 2026
  • Potts Electric Potts Electric
    $100 OFF Whole-Home Surge Protector Installation

    Protect your appliances and devices from unexpected power surges. Discover how to integrate smart lighting, security, and energy-saving technology tailored to your home.

    Valid May 1, 2026 - Jun 30, 2026
  • Potts Electric Potts Electric
    $300 OFF Smart Panel Upgrade

    Smarten Your Power! Get $300 OFF a Smart Panel installation. No cost estimate.

    Valid May 1, 2026 - Jun 30, 2026

Generator FAQs

How Much Does a Standby Generator Installation Cost?

Costs vary based on generator size, fuel type, transfer switch requirements, and the complexity of the panel integration. Financing is available!

We can provide a written estimate after visiting your home, reviewing your existing gas or propane service, and discussing how much of the house you want to support during an outage. This helps you weigh the up-front cost of installing a standby system against the inconvenience and potential losses that can come with repeated outages across the St. Louis metro area.

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 ever have questions about generator service St. Louis homeowners need after installation.

How Often Does a Standby Generator Need Maintenance?

Most manufacturers recommend a full service annually or after every 200 hours of operation, whichever comes first. Your generator also runs a brief automatic self-test weekly to confirm it's ready. Our maintenance visits can verify that everything checks out beyond that built-in cycle.

Typical maintenance tasks during a service visit include:

  • Visual inspection: checking the enclosure, pad, and surrounding area for damage, debris, or pests
  • Component checks: reviewing oil levels, filters, spark plugs, and battery condition for signs of wear
  • Electrical testing: confirming that connections are tight, controls respond correctly, and the system cycles on and off as expected
  • Conversation about use: talking through any recent outages, error messages, or changes in how you use your home so we can adjust recommendations

Because St. Louis sees hot, humid summers and cold winters, many homeowners schedule service before storm-heavy seasons such as late spring and fall. During these visits we can also talk about available warranty options and how routine care can support reliable home generator repair St. Louis residents may need as equipment gets older.

Will a Generator Work With My Existing Electrical Panel?

In most cases, yes. Our team assesses your panel during the sizing consultation and identifies any upgrades needed to support a transfer switch installation. We'll walk you through the whole picture before any work begins.

Common panel-related considerations we review include:

  • Available space: whether there is room for added breakers or if 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: making sure the location of the panel and transfer equipment allows 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 are part of our recommendations. We explain how any upgrades will affect the project timeline and cost so you have a clear understanding of what to expect from a generator service St. Louis homeowners can count on long after the installation day.

Don't wait until the next outage to consider backup power. Call Potts Electric at (636) 322-2006 or contact us online to discuss options for generators in St. Louis.

Helpful electricians, easy scheduling, and transparent pricing.
“We've had our full panel replaced and will soon be doing more electrical maintenance through Potts. Courtney was thorough, informative, and gave us an idea of what to expect next every step of the way.”
Andy R.

Service With a Purpose

Quality craftsmanship, dependable service, and respect for your home.
  • Exceeding Expectations, Every Time
    Our team delivers prompt, transparent communication and workmanship backed by real 5-star reviews from local homeowners and businesses who trust us to get the job done right.
  • Your Safety Is Our Priority
    With licensed, trained electricians and thorough inspections, we ensure your electrical systems are up to code, energy-efficient, and safe — so you can feel secure in your space year-round.
  • All-In-One Electrical Services
    From everyday repairs to electrical panel upgrades, EV chargers, smart home systems, and standby generators, we provide safe, certified services for all your electrical needs — big or small.
  • Rooted in the Community
    Built on honesty and trust, our family-owned company delivers personalized electrical solutions with the care and attention your home or business deserves.
Follow Us & Get $50 Toward Future Service

Follow us on social media and enjoy a $50 credit toward future electrical services.