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 Century City
Solar battery storage in Century City almost always comes down to one question: can the HOA board and the property manager actually approve it? Most of the calls we get from the 90067 high-rises start with a condo owner who wants backup power, then realize the roof isn’t theirs to touch. The battery has to be wall-mounted in a common electrical room, reviewed by a structural engineer, and interconnected through LADWP’s commercial queue. That’s a different job than a single-family home in Culver City, and it’s the job we handle every month along Avenue of the Stars. If you’re an owner or a board member trying to figure out what’s actually possible in your building, call (877) 550-6892 and Gus will walk you through the reality, not a brochure.
Why Gus’s Solar Handles Century City’s Battery Work Differently
Century City’s residential stock is unique in Los Angeles County. There are no subdivisions. There are no rooftops an individual owner controls. There are high-rise towers built between the 1960s and 2000s, common-area roofs governed by HOA easements, and commercial interconnection rules that differ fundamentally from a standard residential solar sale. Most solar companies don’t know what a fire-marshaled clearance for an egress corridor is. We do, because we’ve sat in those HOA meetings and walked those electrical rooms.
Gus Petrakis founded this company in 2011, and he’s the one who answers when you call. He’s reviewed fire code setbacks for wall-mounted batteries in common electrical rooms at the Century Towers. He’s filed LADWP paperwork under the correct queue, the commercial one, when a board’s attorney flagged the wrong form on a retrofit. That kind of familiarity matters when a single misclassified interconnection application can add months to permission to operate.
Response time to Century City is measured in minutes, not days. Our crews stage from the Los Angeles office, and we can typically have someone on site at Avenue of the Stars or Constellation Boulevard within the hour for emergency diagnostics. A live person answers 24/7, not a voicemail queue. Every job carries the 90-Day Done Right Promise in writing: if it’s not right, one call brings Gus back.
Our Solar Battery Storage & Backup Services in Century City
Battery Retrofit for Existing Solar
Most Century City towers that have solar installed it years ago, often on a shared roof with a common meter. Retrofitting battery storage onto an existing array in 90067 means evaluating the original inverter topology, the common-area electrical room’s available wall clearances, and the building’s interconnection agreement with LADWP. We’ve done these retrofits on mid-century rooftop decks where the structural load sign-off was the bottleneck, not the battery itself. If your building already has panels and the board is now asking about batteries, this is the service to start with.

Time-of-Use & NEM 3.0 Optimization
NEM 3.0 changed the economics for every solar owner in California, but Century City buildings feel it differently because of the marine layer. From May through July, the June Gloom suppresses solar irradiance compared to inland zip codes, which means the battery has to work harder to capture what the panels do produce. We model your building’s actual production data against LADWP’s current time-of-use rates, then program the battery to discharge during the 4pm to 9pm peak window. For a Century City condo building with afternoon air-conditioning load, that shifting is where the true-up savings actually come from.

Whole-Home Backup Power
Backup in a high-rise isn’t the same as backup in a house. You can’t put a battery bank in a garage that doesn’t exist. Whole-building backup for a Century City tower usually means multiple wall-mounted units in a common electrical room, wired through a dedicated backup panel serving specific circuits: elevators, life-safety systems, or a penthouse owner’s critical loads. We’ve installed Tesla and Enphase systems in exactly these configurations, always with the HOA’s architectural review committee sign-off and a structural engineer’s stamp on the wall mounting plan.

Tesla Powerwall Installation
The Powerwall 3 is the most common battery request we get from Century City boards, largely because their management firms have heard of it and trust the name. It’s a solid unit for common-area installs, provided the electrical room has the required clearance and the wall can handle the cantilevered load. We handle the full scope: engineering review, LADWP commercial interconnection filing, HOA presentation materials if the board needs them, and the actual install with our own uniformed crew.

Enphase IQ Battery Installation
Enphase 5P batteries are the other likely option for 90067 buildings, especially where the existing solar array is already Enphase microinverter-based. That’s common on Century City rooftops where older systems were expanded in phases. Keeping the battery in the Enphase ecosystem simplifies the monitoring and the management software the building staff actually uses. We’re certified on the full Enphase line and stock the components locally, so turnaround on a request from Century City doesn’t wait on a warehouse three states away.

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 Century City
We work with the battery brands that show up in Century City boardrooms: Tesla, Enphase, FranklinWH, and Panasonic. The choice usually comes down to what the HOA’s engineer is comfortable stamping and what the building’s existing inverter platform supports. We don’t push one over the other. We bring the specs, the clearance diagrams, and the fire code references, and let the board’s technical committee make the call. We keep local stock of the most common components for Century City jobs, which means a retrofit on a building along Avenue of the Stars doesn’t stall waiting for a shipment from a distributor.
Common Solar Battery Storage & Backup Problems We See in Century City Buildings
- HOA rejection of wall-mounted batteries in common electrical rooms. Fire code requires specific clearances around battery units in high-rise egress corridors. If the original plan doesn’t account for those clearances, the board’s fire marshal will kill it. We measure first, then propose, not the other way around.
- Interconnection filed under the wrong LADWP queue. A battery retrofit on a common-meter tower belongs in the commercial queue, not residential. Filing it wrong delays permission to operate by months, and we’ve seen boards whose “approved” project sat dead in permitting for half a year because of that error.
- Production estimates based on inland LA irradiance. A solar model built for Pasadena overstates what panels in 90067 actually produce during the May-to-July marine layer. The battery never reaches full charge, the offset falls short of projections, and the board looks bad. We model Century City’s actual coastal climate data, not a generic Los Angeles average.
- Structural load sign-off on mid-century rooftop decks. Many of these towers were built in the 1960s and 1970s. Their rooftop concrete wasn’t designed for modern battery cabinet loads. We bring in a structural engineer who reviews the existing deck before any battery is specced, which saves the board from approving a system the roof can’t actually hold.
Pricing for Solar Battery Storage & Backup in Century City, CA
A single Tesla Powerwall 3 or Enphase 5P battery installed in a common electrical room in Century City typically runs $12,000 to $18,000 before any available incentives. A two-battery configuration for whole-building backup generally lands between $24,000 and $36,000. The engineering review and LADWP commercial interconnection filing add $1,500 to $3,000 depending on the building’s meter configuration and existing array. Retrofitting batteries onto an existing shared solar system costs more than a fresh install because of the electrical room modifications and fire code compliance work involved. We quote a firm price after we walk the room and read the board’s governing documents, not before. The price you see is the price you pay, and no one is going to ask you to sign anything tonight. Call (877) 550-6892 for a free estimate built off your building’s actual usage data, not a brochure.
We Also Serve Cities Near Century City
Our Solar Battery Storage & Backup crews work throughout the Westside. We regularly run jobs in Beverly Hills, Culver City, West Hollywood, and Santa Monica, often for condo boards facing the same HOA approval realities we handle in Century City every month. If your building sits a few blocks outside the 90067 line, we’re already close.
Serving Century City, CA - Our Local Coverage Area
We’re based in the Century 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 Century City
No. The roof and common electrical rooms in every Century City high-rise are common-area elements owned by the association. Any battery install requires written approval from the HOA board or its architectural review committee, plus a structural engineering sign-off on the mounting location. An individual unit owner can’t unilaterally permit or install a battery anywhere in the building. That’s not our policy; it’s the legal reality of the 90067 governing documents. If you’re an owner who wants backup power, call (877) 550-6892 and we’ll help you prepare the exact package your board will need to see.
The marine layer that sits over Century City from roughly May through July measurably reduces solar production compared to inland LA zip codes, so batteries recharge slower and may not reach a full charge on overcast days. We model your building’s actual irradiance data from 90067 when we project NEM 3.0 savings, and we size the battery accordingly. A proposal built on Pasadena or Burbank sunlight numbers will overpromise and underdeliver. That’s the exact scenario we correct for boards whose first proposal already failed to hit its projections.
Tesla Powerwall and Enphase IQ batteries are the two most commonly approved units in Century City HOAs, largely because board engineers and management firms are already familiar with their specs and fire-testing documentation. FranklinWH is gaining traction for whole-building backup applications where a larger combined capacity is needed. The board will care less about the brand than about the UL listing, the fire code clearance diagram, and the structural engineer’s sign-off on the mounting wall. We bring all three to the first meeting.
In most Century City towers, no. Batteries placed inside individual units trigger additional fire code restrictions for high-rise residential occupancies, and the shared-meter configuration means the battery can’t legally back up the unit’s circuits without a dedicated subpanel and LADWP approval. The practical solution is wall-mounting batteries in a fire-rated common electrical room and running critical-load circuits from there to the units that need backup. We’ve done exactly this at the Century Towers, where a 14th-floor penthouse owner now runs air-conditioning off stored battery power through a 200-amp subpanel with rapid shutdown.
Based on the applications we’ve processed for Century City buildings, the LADWP commercial interconnection queue for a battery retrofit in 90067 currently runs roughly four to eight months from complete application submission to permission to operate. That’s slower than the residential queue, and a misclassified filing can push it past a year. We file under the correct queue the first time, and we’ve corrected misclassified applications for boards that started elsewhere. Call (877) 550-6892 if you want us to check where your building’s application actually stands.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Century City since 2011.






Before
After
Before
After
Before
After