It’s the question we get asked more than almost any other: “Should I get a battery backup or a generator?”
And here’s the honest answer most homeowners don’t expect to hear: it depends on your home, your lifestyle, and what you actually need backup power to do. There’s no universal right answer, and anyone telling you otherwise is selling you something rather than solving your problem.
At Buselli Solutions, we install both. We’re a Generac Elite Dealer for home standby generators, and we’re certified across the leading battery backup system. We have no financial reason to push you toward one over the other. What we do have is years of installing both kinds of systems in homes across Northeast Pennsylvania and Eastern New York, and a clear picture of which option fits which kind of homeowner.
Here’s the straight comparison.
The Short Version
If you want the bottom line up front:
- Battery backup is best for homeowners who want quiet, low-maintenance backup for short to medium outages, want to lower their electric bills every day, and ideally are pairing it with solar.
- A standby generator is best for homeowners who experience frequent or extended outages, have well pumps .
- Both together is the gold standard for homeowners who want zero compromises — and it’s a real option, not just a sales upsell.
Now let’s get into the details.
How Each One Actually Works
A standby generator is permanently installed outside your home and connected to a natural gas or propane fuel supply. During an outage, an automatic transfer switch detects the loss of grid power and starts the generator within seconds. The generator burns fuel to produce electricity, and that electricity powers your home until the grid comes back. As long as fuel keeps flowing, the generator keeps running, for hours, days, even weeks if necessary.
A battery backup system is a wall-mounted or floor-standing unit installed inside your garage, basement, or utility area. It’s charged by either grid electricity (when rates are low) or by solar panels (if you have them). When the grid goes down, the system disconnects from the utility within milliseconds and powers your home from stored energy. Runtime depends on the battery’s capacity and how much power your home is drawing, typically anywhere from a few hours to a couple of days for an essential-loads setup.
Same goal, keeping your lights on, but very different mechanics.
The Comparison That Matters
Upfront Cost
Generator wins for most homeowners. A whole-home Generac standby generator with professional installation generally costs less than a comparable battery backup system. Batteries have come down in price significantly over the past few years, but they still carry a higher per-kilowatt cost than a generator does.
That said, this comparison shifts the moment solar enters the picture. If you’re already installing solar, adding a battery is a much smaller incremental cost than buying a battery on its own.
Day-to-Day Savings
Battery wins, decisively. A generator sits idle 99% of the time. It costs you money to buy, install, maintain, and fuel-test, but it doesn’t lower your electric bill by a single dollar.
A battery is a working asset every day. Paired with solar, it stores excess production for use at night. Even without solar, it can charge from the grid during off-peak rates and discharge during peak hours, shaving down your monthly bill. With PPL rates climbing, three increases in roughly twelve months and another distribution adjustment landing July 1, 2026, that daily savings function matters more than it used to.
Backup Duration
Generator wins, decisively. A properly sized generator can run virtually indefinitely as long as fuel is available. On natural gas, that’s essentially unlimited. On propane, you’re limited by your tank size, but most homes can run for a week or more on a full tank with reasonable energy management.
A battery’s runtime is finite. A typical home battery (say, 18 kWh of usable capacity) might power essential loads for 12–24 hours, or longer if you’re managing usage carefully. With solar recharging during the day, that runtime extends dramatically, but in winter, when solar production is lower, you’re more constrained.
For a two-hour outage, this doesn’t matter. For a four-day ice storm? It matters a lot.
Noise
Battery wins, decisively. Batteries are silent. Completely. No engine, no exhaust, no weekly self-test.
Standby generators are much quieter than they used to be, but they’re still internal combustion engines running outside your house. During an extended outage, the constant low-grade rumble can wear on neighbors and on you. The weekly self-test (typically a 5-12 minute run at a scheduled time) is part of normal operation but does generate noise on a regular cycle.
If you live close to your neighbors, have a bedroom near the planned install location, or just value quiet, this is a real factor.
Maintenance
Battery wins. Modern lithium batteries in SolarEDGE and Homegrid systems are essentially maintenance-free for the homeowner. They have long warranties, often 10-15 years, and they don’t need oil changes, fuel system checks, or seasonal tune-ups.
Standby generators are engines, and engines need maintenance. Annual service is required to keep the warranty valid and the system reliable. With our service plans, that’s handled for you, but it’s a real ongoing cost that battery systems don’t have.
Fuel Dependency
Battery wins. A battery doesn’t need fuel during an outage. If it’s paired with solar, it recharges itself as long as the sun comes up.
A generator needs natural gas or propane. Natural gas is usually reliable but isn’t available everywhere in our service area, many homes in Wayne County and surrounding regions are on propane, which means a tank you have to keep filled. During a major regional event, fuel deliveries can be delayed.
Powering Heavy Loads
Generator wins for most whole-home setups. A 22 kW Generac can start and run central air conditioning, well pumps, sump pumps, electric ranges, and electric dryers all at once. The motor-starting capability of a properly sized standby generator is built for exactly this kind of demanding residential load.
Batteries can handle these loads too, but it requires careful sizing. A single Generac PWRcell 2 cabinet delivers up to 9 kW of continuous power; two cabinets together can deliver up to 11.5 kW. That’s plenty for most essential loads and many whole-home setups, but very heavy electrical demand (large central AC, hot tubs, EV charging, well pumps all running simultaneously) may push you toward either a larger battery configuration or a generator.
If you have a deep well pump or all-electric heating, this is a conversation worth having upfront.
Environmental Impact
Battery wins. Batteries are clean during operation, no emissions, no fuel combustion. Paired with solar, the whole system can be effectively net-zero for backup power.
Generators burn fuel and produce emissions. Natural gas is cleaner than diesel or gasoline, but it’s still a combustion process.
For some homeowners this isn’t a deciding factor; for others it’s everything. We won’t tell you how to weigh it, that’s your call.
Batteries can handle these loads too, but it requires careful sizing. A single Generac PWRcell 2 cabinet delivers up to 9 kW of continuous power; two cabinets together can deliver up to 11.5 kW. That’s plenty for most essential loads and many whole-home setups, but very heavy electrical demand (large central AC, hot tubs, EV charging, well pumps all running simultaneously) may push you toward either a larger battery configuration or a generator.
If you have a deep well pump or all-electric heating, this is a conversation worth having upfront.
Installation Footprint
Roughly even, with different tradeoffs. A standby generator goes outside, typically on a concrete pad several feet from your house, with fuel lines, electrical conduit, and a transfer switch tied into your panel. It takes up outdoor real estate but doesn’t impact your interior space.
A battery system goes indoors (or on a protected exterior wall in some cases), usually in a garage, basement, or utility room. It needs a few square feet of wall space and access to your electrical panel. No fuel lines, no outdoor concrete pad, but it does claim some interior square footage.
Lifespan
Roughly even, in different ways. A well-maintained Generac standby generator typically lasts 20-30 years, sometimes longer. Routine service keeps it in good shape over that whole span.
Modern home batteries typically come with 10-15 year warranties, with usable life often extending beyond that as long as the system has been well-managed. Battery replacement is a real consideration further down the road, though prices for replacements have been trending down over time.
A battery system goes indoors (or on a protected exterior wall in some cases), usually in a garage, basement, or utility room. It needs a few square feet of wall space and access to your electrical panel. No fuel lines, no outdoor concrete pad, but it does claim some interior square footage.
Three Homeowner Profiles
Profile 1: “I just want the lights to stay on, period.”
You experience outages a few times a year. Some are short, some run for days during big storms. You have a well pump, central air, and maybe electric appliances. You’re not particularly interested in lowering your electric bill — you just want reliable backup, ideally for the whole house, without fussing about it.
Recommendation: A Generac home standby generator, sized to your home’s actual load. This is the lowest-friction, highest-resilience answer for your situation. A 22 kW or 26 kW unit handles whole-home backup for most properties in our service area, runs as long as fuel holds out, and just works.
Profile 2: “I want lower bills, cleaner energy, and quiet backup for shorter outages.”
You’re already paying attention to your electric bill. You’ve thought about solar. Your outages are typically shorter — a few hours, maybe overnight. You don’t have an absolutely massive electrical load. You value the daily savings angle and the silent operation.
Recommendation: Solar plus battery backup. The battery handles your day-to-day energy optimization and short-to-medium outages without making a sound. Pennsylvania’s net metering rules and current PPL rates make the solar economics work even without the federal tax credit (which expired at the end of 2025 for new homeowner-owned systems).
Profile 3: “I want zero compromises.”
You want the savings of solar plus battery, the silent operation for short outages, AND the indefinite runtime of a generator for extended emergencies. You’ve got a sizable home, you don’t want to ration power during a winter storm, and the cost difference matters less to you than getting it right.
Recommendation: All three — solar, battery, and a Generac standby generator working together as a true home energy system. The Generac PWRcell 2 is specifically designed to integrate with Generac standby generators (up to 28 kW). The battery handles your daily energy optimization and silent backup for short outages. If the grid stays down longer than the battery can comfortably cover, the generator kicks in to recharge the battery and power the home until the grid returns. It’s the most resilient setup we install, and for the right homeowner, it’s worth every penny.
The Question We Always Ask First
When a homeowner calls us asking which they should get, the first thing we ask isn’t about the equipment. It’s this: “In a typical year, how often do you lose power, and how long do those outages usually last?”
If the answer is “a couple of short outages a year,” your decision is genuinely between battery and generator based on your other priorities.
If the answer is “we lost power for four days last winter, and three days the winter before,” you need a generator, or a generator-plus-battery setup. Pure battery backup isn’t designed for multi-day extended outages in our climate, especially in winter when solar recharge may be limited.
If you’re not sure of the answer, look back at outage history in your area. PPL publishes outage data, and your own memory plus a glance at your refrigerator-replacement-frequency history will usually tell you what you need to know.
A Quick Note on Cost
We’ve avoided specific price ranges in this article because real costs vary widely based on your home’s electrical configuration, fuel availability, installation complexity, and the specific equipment that fits your needs. A free in-home consultation gives us what we need to provide accurate, honest pricing for your situation.
What we will say: financing through Synchrony Bank makes both options accessible to most homeowners. Monthly payments on a battery system are often partially offset by the energy savings the system generates. Monthly payments on a generator are pure expense, but they buy you something money can’t easily buy back during a four-day winter outage: peace of mind, safety, and a warm home.
Why It Matters Who Installs It
Both batteries and generators are sophisticated systems that have to be sized, installed, and integrated correctly. A poorly sized system will fail to do what you bought it for. A poorly installed one is a safety hazard.
Buselli Solutions is a Generac authorized dealer, requiring rigorous training and ongoing performance standards. We’re also factory-certified across Enphase, SolarEdge, Generac PWRcell, and Fortress Power for solar and battery storage, and our team holds NABCEP certification, the industry’s gold standard for solar professionals.
When you work with Buselli Solutions, you get:
- Honest recommendations based on your home, not on what we feel like selling that month
- Licensed, insured, local installation by our own team — never subcontractors
- A single partner for backup power, solar, HVAC, and electrical, all working together
- Long-term local support for service, monitoring, and future expansions
- Synchrony Bank financing with flexible payment options
Family-owned and locally trusted since 1984.
Let's Figure Out Which One Fits Your Home
The right backup power solution isn’t the one with the loudest marketing. It’s the one that matches how you actually live, what you actually need to keep running, and what outages actually look like in your part of Northeast PA.
Call us for a free, no-pressure consultation. We’ll walk through your home, your electrical setup, your outage history, and your priorities, and we’ll give you a straight recommendation, even if it’s not the most expensive option on our list.
Serving Northeast Pennsylvania and Eastern New York since 1984 — with Generac generators, solar, battery storage, HVAC, and electrical services from one trusted local team.