How much does standby generator service cost in Virginia?

No state agency, locality or manufacturer publishes a dated Virginia price for standby generator service, so any number you see online is someone's guess. What can be pinned down is what you are paying for: the visits your manufacturer's schedule calls for, the parts that come due, and any repair a visit uncovers. Ask for an itemized written quote and you can compare dealers fairly.

What sets the price of a service visit

How many visits a year. Brands differ. Generac recommends you have your unit serviced every 6 months by an authorized independent service dealer.^[1] Kohler ties its schedule to the calendar and the engine's run hours: on Kohler's 20 kW home models, the oil and filter are due yearly or every 150 hours of run time,^[3] and Kohler's 14 kW models are on a yearly or 100-hour oil change.^[3] A twice-a-year schedule means more visits to pay for than a once-a-year one, so check which your generator is on before you compare prices.

How hard the generator has worked. A week-long outage can use up a year of run hours. Kohler also asks that units subject to extreme weather, long operating hours, or dusty or dirty conditions be serviced more often.^[3] After a big storm season, expect an extra visit.

Which parts are due. Oil and an oil filter are in nearly every visit. On Kohler's schedule, the air cleaner and spark plugs are serviced yearly or at set run-hour intervals,^[3] so some visits include them and some do not. A starting battery that needs replacing can add noticeably to the bill.

Specialist tests. Some items come up only every few years, such as measuring the alternator windings' insulation resistance every 3 years, which Kohler marks as authorized distributor/dealer only.^[3] A visit that includes one of these costs more than a routine oil change.

Who does it, and when. Kohler's service manual says "Tools and instruments used to perform some maintenance items are not generally available to the generator set owner,"^[4] Travel distance in rural Virginia, after-hours calls and storm-season demand can all add to the bill.

Maintenance contracts

If you would rather pay a fixed amount, many Generac authorized dealers offer annual maintenance contracts.^[1] A contract is worth it when it costs less than the visits your manual calls for, or when it buys priority service after a storm. Ask:

• how many visits a year it covers, and what each visit includes
• whether oil, filters, plugs and the battery are included or billed separately
• whether repair labour is discounted
• how quickly contract customers are seen during a widespread outage

When the visit finds a repair

A service visit often turns up something: a weak battery, a fault message, an oil leak, a worn part. Ask for the repair to be quoted separately, in writing, before it is done.

Repairs that touch the house's wiring or fuel supply can need a permit: the USBC requires a permit before work on electric wiring, fuel supply systems or any equipment regulated by the code,^[5] and for emergency equipment replacement the application can be filed by the end of the first working day after the work starts.^[5] Your contractor normally pulls the permit, and the fee should be in the quote.

Local fees vary. When we checked on October 27, 2026, Montgomery County's fee schedule listed residential electrical, plumbing and mechanical trade permits at $0.03 per square foot with a $45 minimum, a $50 re-inspection fee, a 2% Virginia state levy on each fee and a 2% technology fee with a $10 minimum.^[6] Other counties and cities set their own schedules.

What a new generator costs, for comparison

When a repair quote gets large, it helps to know what replacement would cost. When we checked on October 27, 2026, Generac's website listed its 22kW WiFi-enabled home standby generator starting at $6,119.00 and its 14kW WiFi-enabled Guardian Series unit starting at $4,569.00.^[2] Those are equipment prices only. Generac says the cost of installation is determined by the dealer and will vary based on several factors,^[1] so ask any installer what the quote includes (transfer switch, fuel run, pad, electrical work and permits). Generac's site adds: "For pricing specific to your region, please consult with your local Generac dealer."^[2] For how to weigh the two, see whether to repair or replace an old standby generator.

Getting quotes you can compare

DPOR advises that you get at least three written bids or estimates using identical plans and specifications so you can compare prices and contractors,^[8] and warns: "Beware of any bid substantially lower than the others."^[8] For a service visit or a repair, ask each company for:

• the generator's make, model and run hours, and the manufacturer's interval the visit is based on
• an itemized list of tasks, with the oil type and the parts included
• the price of likely extras, such as a battery, air cleaner or spark plugs, before they are fitted
• the trip or diagnostic charge, and whether it comes off a repair
• labour rates for repairs, and any after-hours or storm-call rate
• the warranty on parts and labour

For larger jobs, DPOR's rule of thumb is an initial deposit of no more than 10% of the total price or $1,000, whichever is less,^[8] and Virginia law requires all licensed contractors to provide a written contract for residential work.^[8]

When to call a licensed pro

For every service visit and repair. A standby generator is wired into your electrical system and fed by a gas or propane line, so electrical and gas work are both involved. The contractor's licence class has to fit the contract: Class C covers a single contract over $1,000 but less than $30,000.^[7] The Board for Contractors also requires a master tradesman licence as a condition of licensure for electrical, plumbing and HVAC contractors.^[7] Check the licence before you pay, and see pricing for how Loclis charges.

To see what the visit should cover, read what a standby generator service visit includes. Browse generator repair and generators and backup power, find electricians in Blacksburg, or read more electrical repair answers.

When your generator needs service or a repair, describe the job once and licensed local businesses quote it.