Free bill analysis - bring a power bill, get the production math for your actual roof, panel brands like Qcells and REC compared side by side
If the pitch starts at your door and ends with "sign tonight for the special," sleep on it. The sun will still be there tomorrow; so will we.
Fast, Reliable Solar Battery Storage & Backup Across Boulder City
Solar battery storage in Boulder City runs a different playbook than anywhere else in southern Nevada. You’re not on NV Energy. You’re on your own municipal utility, with your own interconnection rules, and a lot of homes here were framed before modern electrical service existed. That changes what a battery can do for you, what it costs, and how it has to be installed. Gus’s Solar has worked through Boulder City Electric Department interconnections and Historic Preservation Commission reviews enough times that none of it surprises us anymore. Call (877) 550-6892 and we’ll walk you through what actually applies to your house.
Key Takeaways
- Boulder City’s municipal utility charges a flat residential rate, so battery payback here comes from outage protection and backup resilience, not time-of-use arbitrage like NV Energy territory.
- Homes built in the 1930s through 1960s often have 100A or 60A main service panels that limit whole-home backup unless a service upgrade happens first.
- Historic District homes with rear-only panel placement generate less solar than the roof could support, which makes correct battery sizing even more important.
- Typical battery installation in Boulder City runs $11,500-$18,500 before the 30% federal tax credit, depending on whether it’s a retrofit or paired with new solar.
Why Gus’s Solar Is Boulder City’s Preferred Solar Battery Storage & Backup Company
Gus Petrakis founded this company in 2011 and has kept it owner-operated ever since. His name is on the truck, his license number is published, and when something goes wrong three years after install, he’s the one who picks up the phone. Not a ticket. Not a call center. Him.
Boulder City homeowners deal with two permitting layers most installers never see: a municipal electric utility that runs its own interconnection process, and if you’re in the Historic District, a preservation board that reviews exterior equipment. We’ve filed both, repeatedly. We know what the HPC looks for on a battery placed outside a 1938 bungalow on Nevada Way, and we know what Boulder City Electric expects in the line diagram. That local file is worth more than any glossy brochure.
Every job carries our 90-Day Done Right Promise in writing. If it’s not right, one call brings Gus back. A live person answers our phone 24/7, and when a battery alarm trips at 2 a.m. in July, someone actually picks up.
Our Solar Battery Storage & Backup Services in Boulder City
We handle the full Solar Battery Storage & Backup scope, but in Boulder City three services come up most often. Here’s what they look like in this town specifically.
Tesla Powerwall Installation
The Tesla Powerwall 3 is the battery we install most in Boulder City, and for a simple reason: it runs cooler in high ambient heat than most competing units. That matters when your garage hits 115°F in July and the battery needs to discharge through an outage. Typical installed price for a single Powerwall 3 in Boulder City runs $12,000-$15,500. Two units for whole-home coverage on a larger ranch typically land between $22,000 and $27,000.

Enphase IQ Battery Installation
For Boulder City homes with existing Enphase microinverter systems, the Enphase IQ Battery 5P is often the cleanest retrofit path. It integrates natively with the IQ8 architecture so you avoid a separate and sometimes messy AC coupling job. Expect $9,500-$13,000 for a single 5P installed in this market, with most homes pairing two units for meaningful overnight capacity.

Whole-Home Backup Power
Whole-home backup in Boulder City usually means a service panel conversation, not just a battery conversation. Homes from the 1930s through the 1950s commonly still carry original 100A or 60A mains, and a full home’s A/C plus oven plus dryer load can pull past that before a battery even enters the picture. We map your circuits first, then tell you honestly whether you need a main panel upgrade or whether partial-home backup covers the rooms that actually matter. Whole-home backup systems, including a service upgrade where required, run $14,000-$22,000 in Boulder City.

Battery Retrofit for Existing Solar
This is the service we quote most in Boulder City. You already have panels, maybe a system from ten years ago, and you want storage now that outages are a regular summer event. Retrofit cost depends on whether your existing inverter supports AC coupling natively or needs a companion box. Most Boulder City retrofits land between $10,500 and $16,000. Bring us a bill, we’ll bring you the math.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Boulder City
We work with Tesla, Enphase, and FranklinWH equipment daily, and we stock the most common balance-of-system parts those units need, so a Boulder City service call doesn’t wait on a warehouse shipment from Phoenix or Southern California. If you already own a SolarEdge or older Enphase system, we service those too. Our truck leaves the Las Vegas metro office with parts for the common failure modes we see in Boulder City heat, which keeps turnaround short.
Common Solar Battery Storage & Backup Problems We See in Boulder City Homes
- Legacy service panels blocking whole-home backup. A 1937 craftsman on Utah Street with an original 60A panel simply cannot support a backup subpanel sized for modern A/C load. We see this weekly. The safe path is either a service upgrade or a partial-home backup design that protects refrigerator, medical equipment, lights, and one cooling zone.
- West-facing battery walls in 110°F+ heat. A battery mounted on an unshaded west wall near Lake Mead Boulevard cooks in afternoon sun, derates, and shuts down exactly when you need it. We relocate outdoor units to shaded north or east walls, or inside the garage when code allows, and we’ve corrected several installs from out-of-state crews who never thought about Mojave afternoon sun.
- Historic District rear-panel constraints shrinking generation. Homes near Nevada Way with HPC-approved rear-only panel placement often produce 30-40% less than an unrestricted roof would. The battery becomes the critical piece, storing every available afternoon kWh, but undersized units drain by midnight during summer cooling load. Correct sizing starts with your actual bill and actual array output, not a generic capacity chart.
- Undersized batteries on big ranch homes. The 1950s and 1960s ranch ring around Boulder City has longer duct runs and older insulation, so A/C runs harder. We see single-battery installs that can’t carry overnight load. A second battery or a larger unit changes the math from “partial backup” to “house stays cool.”
Pricing for Solar Battery Storage & Backup in Boulder City, NV
Here are straight numbers for the Boulder City market. A single battery retrofit on an existing solar system runs $10,500-$16,000. A new install with a Tesla Powerwall 3 paired to a modest array runs $12,000-$15,500 for the battery portion alone. Whole-home backup including a service panel upgrade runs $14,000-$22,000. What moves your number: whether your main panel needs replacing, whether the Historic Preservation Commission requires non-visible equipment placement that adds conduit runs, and whether your existing inverter can integrate natively or needs companion hardware. Take two weeks. Think about it. The price will be the same. Call (877) 550-6892 for a free estimate built off your actual utility bill and your house’s actual wiring.
And if you already have a written estimate from another installer, bring it in. Our free second opinion offer applies in Boulder City, and we’ll tell you honestly whether that number is fair for what your house needs. No signature wanted tonight. If a salesman needs an answer tonight, the answer is no.
We Also Serve Cities Near Boulder City
Our crews serve Boulder City and the surrounding communities, including Henderson, Whitney, Paradise, and Enterprise. If you’re just north of the city line on the NV Energy side of the meter, the rules change, and we handle both utility territories. Same crew, same owner, same written promise.
Serving Boulder City, NV - Our Local Coverage Area
We’re based in the Boulder City area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Solar Battery Storage & Backup in Boulder City
Yes, Boulder City Electric permits grid charging, but here’s the thing: Boulder City residential service has no time-of-use rate, so there is no off-peak discount to arbitrage. The value of a battery in Boulder City is outage protection and the ability to store your own solar production for use after sunset. In NV Energy territory across the city line, battery economics lean on peak-rate avoidance. Here, you buy a battery because you don’t want your freezer thawing during a July grid event. Call (877) 550-6892 and we’ll look at your bill together.
It depends on your home’s contributing status and where the battery sits. The HPC reviews exterior modifications on contributing structures in the Historic District, and they care about street visibility. A battery mounted on a rear wall or inside the garage typically clears without issue. A wall-mounted unit facing Nevada Way on a prominent 1930s bungalow may draw a request to relocate or screen it. We have a good read on what clears, and we design placements that don’t trigger a fight. The HPC approved the Tesla Powerwall 3 we retrofit on a 1950s ranch near Nevada Way because nothing exterior changed.
Maybe not, and we’ll tell you that before you spend a dollar. A 100A main from the 1950s cannot support a whole-home backup subpanel that carries central A/C, dryer, range, and every circuit in the house. The safe options are a main panel upgrade to 200A, which adds $3,500-$6,000 to the job, or a partial-home backup design that protects the circuits you actually need during an outage: refrigerator, a window or split-unit cooling zone, lights, medical equipment, and outlets. We’ve done both in Boulder City. We’ll map your loads and show you the real options before you commit.
If the HPC restricts panels to rear or non-street-visible roof planes, your array generates less than the roof’s total area could produce. Less afternoon generation means less stored energy by sunset, which means a battery that would be adequate on a Henderson tract home may drain overnight in Boulder City during summer A/C load. We size Boulder City batteries off your actual array output and actual cooling load, not an industry table. For most Historic District homes with rear-only placement, we recommend a second battery or a higher-capacity single unit to make the available generation last through the night.
It depends on the inverter brand and vintage. Modern Enphase IQ8 systems integrate natively with Enphase batteries. Older string inverters from the 2010s often require a separate AC-coupled battery system or a companion transfer switch, which adds $2,000-$4,000. A 12-year-old SolarEdge unit near end of warranty may make more sense to replace than to retrofit around. Bring us your inverter model and your last year of production data, and we’ll tell you the cheapest honest path. Free estimates and free second opinions both apply.
Call Gus’s Solar for Battery Storage in Boulder City
If you live in Boulder City and you’re thinking about battery backup, call (877) 550-6892. We’ll ask about your panel, your service size, whether you’re in the Historic District, and what actually happens when your power drops. Then we’ll give you a number that holds. Gus quotes the year-25 output, not the day-one brochure number, and the L.O.C.A.L. values aren’t a marketing slogan, they’re how the shop runs: Local roots, On time, Community first, Accountable, Loyal. If a salesman needs an answer tonight, the answer is no. Take two weeks. The price will be the same.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Boulder City since 2011.






Before
After
Before
After
Before
After