Generator Installation in Los Angeles

How much does generator installation cost in Los Angeles?

Generator installation in Los Angeles usually runs $8,000-$18,000 for a whole-home standby unit, installed. Bigger 22kW+ units run $15,000-$22,000. Your total depends on the generator size, the gas line, and the transfer switch, so you get one upfront price in writing before we start.

Typical generator installation costs in Los Angeles

These are typical Los Angeles ranges for orientation, not a quote. Every job is priced by its own conditions, so your exact number comes from a free on-site look. Get a free estimate in minutes, or call (818) 421-5290.

The generator itself is the biggest line item. A 22kW+ unit that backs up the whole house costs more than a smaller model that covers only the essentials. Labor, the pad, and the permit make up the rest.

A few things move the price. First, many older homes in Van Nuys and Sherman Oaks need a panel upgrade before the generator ties in. Second, a long gas line run adds cost, and we flag all of it in writing before we start.

We install trusted brands like Generac, plus other major makers. A good unit paired with a right-sized gas line and transfer switch is what makes backup power reliable. Cheap corners show up the first time you actually need it.

Do I need a whole house generator in Los Angeles?

A whole house generator makes sense when an outage really hurts: spoiled food, a home office that must stay online, or a medical device that needs steady power. In Los Angeles, wildfire shutoffs and grid strain can cut power for hours or days. A backup generator keeps your lights, fridge, and AC running, and most homes do well on a whole-home standby unit.

The homes that feel an outage hardest are the ones with a load that cannot wait. A full fridge and freezer start to turn after a few hours, a home office goes offline, and phones drain with no way to charge. A standby unit picks the load back up on its own within seconds, so the disruption barely registers.

Medical needs raise the stakes. When someone in the house depends on a CPAP, an oxygen concentrator, or a medication fridge, steady power is not optional. A standby generator that starts automatically covers that gap whether or not anyone is home to flip a switch.

Some homes feel an outage more than others, and each one has a different priority list. A house that runs a home office, a well pump, or a refrigerator full of medicine treats steady power as a necessity, which raises how much backup makes sense.

You do not have to back up everything. If you only want the fridge, a few lights, and the internet running, a smaller unit costs less. If the power is already out tonight, though, that is a job for an emergency electrician, not a new install.

Standby vs portable generator: which one is better?

The first big choice is standby versus portable. A standby generator is permanent, starts automatically, and can power the whole house on natural gas. A portable costs less up front, but you start it by hand and refill the gas yourself. For hands-off backup during a multi-day outage, standby wins.

Standby vs portable generator at a glance

These are typical Los Angeles ranges for orientation, not a quote. Every job is priced by its own conditions, so your exact number comes from a free on-site look. Get a free estimate in minutes, or call (818) 421-5290.

The interlock kit is the safe, legal way to run a portable generator. It is a metal plate on your panel that blocks back-feed, so power cannot flow onto the grid and hurt a lineworker. We install the kit and inlet for $500-$1,500.

Portable power fits a renter or a tight budget. You keep the fridge and a few lights going, then store the generator in the garage between storms. Still, you must be home to roll it out, start it, and refuel every several hours.

A standby unit skips the manual steps. It self-tests weekly, runs off your gas line, and starts while you are at work or asleep. For many families, that hands-off backup is worth the higher install cost.

What size generator do I need for my house?

Generator size comes down to what you want to run. To cover the essentials, the fridge, some lights, outlets, and the internet, a 10kW-14kW unit is often enough. To run the whole house, including central AC in the Valley heat, plan on 22kW or more. We do a load check and size it right, so you never buy too much or too little.

A load check is simple. First we add up the big draws: AC, a well or pool pump, an electric range, and any medical gear. We then match the generator to that number, plus a little headroom.

Homes in Encino, Tarzana, and Woodland Hills lean hard on central AC all summer, so running that AC through an outage means a bigger unit. Either way, you get the honest trade-off before you spend a dollar.

Do not guess on size. An oversized unit wastes money and gas, while an undersized one trips and shuts down under load, so we base the number on your real loads instead of a rule of thumb.

Who runs the gas line, natural gas or propane?

Most standby generators in Los Angeles run on natural gas from your existing meter, so there is no tank and no refills. Homes without gas service use propane instead. Either way, the generator needs a correctly sized gas line, and that is a licensed plumbing job. We hold licenses for both trades, so one crew runs the gas line and wires the generator in a single visit.

This is where most companies hand you off. The electrician wires the unit, then a separate plumber comes another day for the gas. If something is off, each one blames the other.

We skip that. One licensed team handles the gas line and the wiring, which keeps it to one call, one schedule, and one invoice, with no finger-pointing.

A generator is a big new gas load. If the line is too small, the unit starves and shuts down right when you need it, so we measure the run, check your meter, and upsize the line where needed, usually $500-$2,000.

What does an automatic transfer switch do?

The automatic transfer switch is the brain of a standby system. It watches the grid, and the moment power drops, it disconnects your house from the utility and starts the generator. When the grid returns, it switches you back and shuts the generator down. Installed, the switch runs $900-$2,500.

That switch does more than add convenience. It stops your generator from back-feeding the grid, which protects utility crews on the lines. Code requires it on every permanent standby install, and the city inspector checks for it.

We size the switch to your panel and your generator. For a whole-home setup, that often means a service-rated switch at the meter. If you back up only a few circuits, a smaller sub-panel switch does the job.

Many standby units add a monitor you check from your phone. It tells you when the weekly test ran and warns you if service is due. That is handy when you travel and want to know the backup is ready.

Do I need a permit, and where can the generator go?

Yes, a standby generator needs a permit and a final inspection almost everywhere in Los Angeles. The permit itself runs $150-$500. Placement matters too, because the unit must sit a set distance from windows, doors, and vents so the exhaust stays outside. We handle the permit and set the generator to code.

In the City of Los Angeles, we pull the permit through LADBS. Burbank, Glendale, and Pasadena run their own building departments with their own rules, and knowing each one is why our installs pass the first time.

Standby generators are not silent, but modern units run about as loud as a central AC condenser. Most cities cap noise, and many HOAs add their own limits, so we place the generator to respect the setbacks and keep the sound away from bedrooms and the neighbor's fence.

What happens during a generator installation?

A generator installation in Los Angeles usually takes one to three days on site, plus lead time to order the unit and pull the permit. First we size and quote the job. Next we set the pad, run the gas and wiring, and install the transfer switch. Last, the city inspector signs off.

1. Free estimate and load checkabout 1 hour

   We visit, look at your panel and gas meter, and size the generator to what you want to run.

2. Permit and equipment ordera few days to 2 weeks

   We pull the LADBS or city permit and order your generator and transfer switch.

3. Pad and placementabout half a day

   We set a level pad or gravel base and place the unit to meet code setbacks.

4. Gas line and wiringabout 1 day

   One crew runs and sizes the gas line, then wires the generator to your panel.

5. Transfer switch and startupabout 2-3 hours

   We install the automatic transfer switch, then start and test the whole system.

6. City inspectionabout 1 hour

   The inspector signs off, and we show you how the monthly self-test works.

You get a firm price before any work starts. We also walk you through the monthly self-test and yearly service, so the unit is ready the next time the grid drops.

Why hire A+ Electric & Plumbing for generator installation?

A+ Electric & Plumbing, a licensed electrician and plumber serving Los Angeles and the San Fernando Valley, handles generator installation from the panel to the gas line. That means one licensed crew, one permit, and one invoice. We are based in Tujunga, hold CSLB license #942404, and back our work in writing. One call covers the whole job, from sizing to the final inspection.

You can check our license anytime with the CSLB. If you want the electrical side handled too, our Los Angeles electrician page covers the full range, from panels to EV chargers.

To plan your backup power, get a Free Estimate: we will size the generator, quote the gas line, and put one honest price in writing. Call (818) 421-5290 to get on the schedule.

Frequently asked questions