Tesla Powerwall for Orange County & San Diego Homeowners

What a Powerwall gives you

• Whole-home backup: when the grid goes down, your Powerwall keeps lights, appliances, and critical circuits running automatically. In areas with PSPS shutoffs or summer outages, this matters.
• Time-of-use savings: under SCE and SDG&E TOU rates, electricity is most expensive from 4 PM to 9 PM. A Powerwall stores your midday solar production and discharges during those peak hours, so you buy less from the utility at the worst rates.
• NEM 3.0 protection: California's current solar rules pay far less for excess energy sent to the grid. Storing that energy in a battery and using it yourself is now more valuable than exporting it.
• One app: the Tesla app shows your solar production, battery level, home usage, and grid pull in real time. You can set it to prioritize backup reserve, self-powered mode, or time-based control.

How many Powerwalls do you need?

One Powerwall 3 stores 13.5 kWh of usable energy and can back up most of a typical home. If you run large air conditioning loads, have an EV you charge at home, or want longer backup runtime, two units give you 27 kWh. Three or more scale from there.

Most Orange County and San Diego families do well with one to two Powerwalls, especially when paired with a properly sized solar system. We look at your last 12 months of usage and your goals to recommend the right count.

Installation basics

• Location: Powerwalls are wall-mounted, usually in a garage, on an exterior wall, or in a utility room. They need to stay out of direct sun and have some ventilation.
• Permits and utility: we handle city permits and utility interconnection paperwork. In most OC and San Diego jurisdictions, this takes a few weeks.
• Install day: the physical work is typically one day for a single unit, or up to two days for multiple units plus electrical panel upgrades if needed.
• Inspection and activation: after install, the city inspects and the utility grants Permission to Operate. Then the system is live and you can monitor everything from the Tesla app.

Who it fits best

• Homeowners on SCE or SDG&E who want to cut their evening peak usage and avoid the worst TOU rates.
• Families in areas with frequent outages or wildfire-related Public Safety Power Shutoffs.
• Buyers who want backup power without the noise, fuel, or maintenance of a gas generator.
• Solar owners who feel like NEM 3.0 slashed their export credit value and want to keep more of their own energy.

Is it worth it in Southern California?

With SCE and SDG&E rates among the highest in the country, and peak pricing now stretching into evening hours, a Powerwall pays for itself through a mix of bill savings and backup value. If your priority is peace of mind during outages, the value is immediate. If your priority is long-term bill reduction, pairing it with solar under NEM 3.0 is the strongest financial setup available today.

Every home is different. We use your actual usage history to model the savings, size the right number of Powerwalls, and show you the numbers before you move forward.