Solar-ready panels & battery backup in South Orange County

The solar company does the roof. Kyle does the panel it plugs into.

Array of black solar panels mounted on a terracotta barrel-tile roof on a sunny day

Solar and batteries get sold on the roof and in the app, but the main panel decides whether the system fits. Under the 120% rule in the 2023 NEC, a typical panel with a 200-amp busbar and a 200-amp main takes about 7.7 kW of inverter output. A Powerwall 3 at its full 11.5 kW setting is 48 amps, and it doesn’t fit that panel without help.

That help comes in a few forms: a main-breaker derate when the load calculation allows it, a panel with a bigger busbar, a full service upgrade, or a supply-side connection. Batteries add the backup question, too. Whole-home backup needs switching equipment at the meter, while partial backup moves the circuits that matter into their own loads panel. It gets worked out with numbers from your actual panel, and the permit gets pulled.

Kyle does the electrical side and works alongside a separate solar installer who designs and mounts the array, so the panel plan is settled before anything goes on the roof. Generators get the same care: a power inlet with a listed interlock or a transfer switch, never a cord into the dryer outlet.

What this covers

Panel capacity checks against the 120% rule before the system is designed
Main-breaker derates, when the load calculation supports the smaller main
Panel and service upgrades when the busbar or the service is the limit
Battery hookups: backup loads panels, gateways and transfer equipment
Generator power inlets with listed interlocks or transfer switches
EV-ready circuits planned alongside the solar and battery, permit handled

The craft argument. A solar quote that skips the panel is a quote for the roof. The busbar math, the load calculation and the utility’s rules decide whether the system you signed for can connect, and whether the house can still charge the car afterward. That math is the job, and it’s done before the array goes up.

Get a straight answer

A photo by text is the fastest way to a real number. Call or text Kyle.

(818) 859-5040 Text a photo

CSLB #1073066 · C-10 Electrical · Licensed since 2021

Questions people ask

Do I need a panel upgrade for solar?

Not always. A panel with a 200-amp busbar and a 200-amp main takes about 7.7 kW of inverter output under the 120% rule, and a main-breaker derate or a supply-side connection can stretch that when the load calculation allows. Text a photo of your panel label and you’ll get a straight answer.

Do you install the solar panels?

No. A separate solar company designs and installs the array. Kyle handles the electrical side, from panel capacity and derates to upgrades and battery and generator hookups, and coordinate with the installer so the panel plan is settled first.

Can a battery back up my whole house?

It can with the right equipment. Powerwall 3 does whole-home backup through Backup Gateway 3 or a Backup Switch at the meter. Partial backup, a loads panel carrying the fridge, lights, internet and medical devices, asks less of the battery and is easier to size.

2021

Year the C-10 license was issued. Current and active.

#1073066

CSLB license number. Look it up on cslb.ca.gov before you hire.

C-10

California’s license class for electrical contracting.

1 owner

Sole-owner license. You talk to Kyle, not a call center.