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Virginia Standby Generator Maintenance Checklist: Top 10 Must-Haves

In the heartland of Virginia,

where businesses and farms form the backbone of our community, the role of a standby generator cannot be overstated. These silent guardians stand ready to spring into action, ensuring that operations remain uninterrupted, come rain, shine, or unexpected power outage. For business owners and farmers alike, the cost of downtime is not just inconvenient; it's a direct threat to livelihoods and productivity. Thus, the importance of regular maintenance for these essential machines cannot be overlooked.

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The Importance of Regular Maintenance

Imagine your standby generator as a steadfast team member, one upon which your business or farm's smooth operation critically depends. Just like any team member, it needs care, attention, and regular check-ups to perform at its best. Neglecting generator maintenance is akin to inviting disaster—increased wear and tear, decreased efficiency, and the grim prospect of failure when you need it most.

Top 10 Must-Have Items in Your Standby Generator Maintenance Checklist

  1. Professional Inspection and Servicing
    At least once a year, invite a certified professional to give your generator a thorough health check. This isn't just about ticking boxes; it's about gaining peace of mind that your generator won't let you down when the chips are down.
  2. Coolant System Check
    Your generator's coolant system is its first line of defense against overheating. Regular checks ensure the system is filled to the correct level and free from leaks, keeping your generator cool under pressure.
  3. Oil and Filter Change
    Just like your car, your generator needs regular oil and filter changes. Fresh oil and a clean filter are the lifeblood of your generator's engine, ensuring smooth operation and preventing premature wear.
  4. Fuel System Maintenance
    A clean fuel system is non-negotiable. Regular checks for leaks, along with ensuring the fuel is clean and free from water or debris, can save you from headaches down the road.
  5. Battery Inspection and Care
    A well-maintained battery ensures your generator starts when needed. Check the charge level and connections regularly to avoid being caught off guard.
  6. Air Filter Replacement
    An engine that breathes freely performs efficiently. Regular replacement of air filters prevents dust and debris from hampering your generator's performance.
  7. Electrical System Check
    Inspect wiring, connections, and the control panel for signs of wear or damage. A healthy electrical system means a reliable generator.
  8. Transfer Switch Testing
    The transfer switch is the bridge between your generator and continued operations. Testing it ensures that it can seamlessly take over when power from the grid is lost.
  9. Load Testing
    Performing load tests verifies that your generator can handle the expected load during an outage. It's like a rehearsal for the main event, ensuring your generator is up to the task.
  10. Physical Inspection
    A visual check can reveal a lot. Look for signs of wear, tear, damage, or corrosion, particularly given Virginia's changing climate, which can take its toll on exposed equipment.

Maintenance Schedule Template

Creating a customizable maintenance schedule template is a proactive step towards ensuring your generator's reliability. Tailor it to your operation's needs, and make sure it's adhered to diligently. This simple tool can be the difference between a minor inconvenience and a significant operation halt.

Hiring a Professional vs. DIY Maintenance

While there's a certain pride in rolling up your sleeves and taking care of maintenance yourself, there are times when calling in a professional is the wise choice. Consider factors like cost, the scale of your operation, and your expertise level. For complex systems or when in doubt, professional advice can be invaluable.


Your standby generator is more than just a machine; it's a safety net, ensuring that your home, business or farm can weather any storm. Regular maintenance is not just about preventing breakdowns; it's about ensuring efficiency, reliability, and peace of mind. By following this maintenance checklist, you're taking a significant step towards safeguarding your operations against unexpected disruptions.

Frequently asked questions

Typically, it's recommended to change the oil and filter at least once a year or after 100 to 200 hours of use. However, this can vary based on the manufacturer's recommendations and the generator's workload.

Look out for slow cranking during startup, low voltage readings, or visible corrosion on the battery terminals. These signs suggest it's time for a battery inspection or replacement.

Aside from the annual check-up, if you notice unusual noises, difficulty starting, or a decrease in performance, it's time to call a professional. Also, if it's been subjected to heavy use following a prolonged power outage, an inspection is wise.

Many routine maintenance tasks, such as checking oil levels, changing air filters, and ensuring the unit is clean and free from debris, can be done by the owner. However, for more complex tasks or if you're unsure, it's safer and more efficient to hire a professional.

Load testing verifies that your generator can handle its expected load for an extended period. It's a critical check to ensure that, in the event of an actual power outage, your generator won't falter when you need it most. It also helps in identifying potential issues that might not be evident under light or no load.


Hear from our satisfied customers across Virginia—from homes where we've brought peace of mind, businesses we've kept running, and farms we've helped thrive through the toughest seasons.


“Simply outstanding”

We just commissioned a Generac 20kW standby generator for our home. From start to finish, The Power Connection folks were simply outstanding!

Richard A.
Waynesboro, VA

“Both installations were flawless”

The Power Connection has done two major installations for us. They installed a 20 kW whole-house backup generator system, and more recently, completed the electrical installation for a new steel storage barn for my tractor and other outdoor equipment. Both installations were flawless.

Donald P
Manassas, VA

Trust The Power Connection

Don't wait for a power outage to realize the value of your standby generator. Consult with generator maintenance professionals at The Power Connection today, and take the first step towards a more resilient tomorrow. We’ll help ensure your generator is as ready as you are for whatever comes your way.

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