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Fast, Reliable Solar Battery Storage & Backup Across Burlingame
Solar battery storage in Burlingame typically costs between $11,500 and $18,000 installed depending on brand, capacity, and whether your existing panel needs upgrading. Most installations we complete in the 94010 and 94011 zip codes are done in two to three days, and we schedule the city inspection before the crew leaves your driveway. If your goal is backup power for outages that hit the Easton Addition or Ray Park neighborhoods, you want someone who has already worked on the mature 1920s-era panels and clay tile roofs that make Burlingame different from every city around it. Call (877) 550-6892 and a live person answers, not a queue.
Why Gus’s Solar Is Burlingame’s Preferred Solar Battery Storage & Backup Company
Gus Petrakis puts his own name on the truck, and he lives the L.O.C.A.L. code: Local roots, On time, Community first, Accountable, Loyal. That matters in Burlingame because the homes here are not spec-build boxes. A 1926 Craftsman bungalow off Broadway needs a different battery mounting approach than a 2004 stucco rebuild in Mills Estates, and our crew knows the difference before they arrive.
We have worked on Spanish Colonial Revival homes near Washington Park and Tudor Revival houses off El Camino Real, so we know where the original 100-amp panels are hiding and why the inspector will flag a wall-mounted battery next to a gas meter. Our Burlingame customers call back for expansions, maintenance, and the occasional system tweak when NEM 3.0 bills change, because the phone number still works and Gus still answers. No call center in another state. No voicemail black hole.
Response time to Burlingame is same-day for emergency battery fault codes and next-day for most new estimates. Being able to send a uniformed, background-checked crew to Hillsborough or Millbrae without a week of scheduling gymnastics is the benefit of having a real San Francisco Bay Area shop with real crews already working the Peninsula every day.
Our Solar Battery Storage & Backup Services in Burlingame
Tesla Powerwall Installation
A Tesla Powerwall 3 installation in Burlingame runs $13,500 to $16,500 for the first unit, including gateway, monitoring, and city inspection. Most Burlingame homes with 100-amp or 125-amp main panels need a panel de-rate or subpanel install before the battery passes inspection, which typically adds $2,200 to $3,400. We quote that work up front, not as a post-contract surprise.

Enphase IQ Battery Installation
Enphase IQ Battery 5P units run $4,800 to $7,200 per unit installed in Burlingame, and we commonly pair two units on homes with part-shade arrays. Because so many Burlingame roofs are partially shaded by legally protected oaks and redwoods, Enphase’s per-panel microinverter pairing often makes the IQ Battery the better fit than a single-string Tesla Powerwall. We wire the backup circuit to the loads you actually need running: refrigerator, garage door, medical equipment, home office.

Whole-Home Backup Power
Whole-home backup in Burlingame starts around $18,000 and climbs with panel upgrades and load management hardware. For older homes with fragile knob-and-tube remnants or undersized busbars, a whole-home battery often requires a load-shedding device or a critical-loads subpanel to avoid nuisance breaker trips. We size the system for the year-25 production number, not the day-one sticker.

Battery Retrofit for Existing Solar
If you already have solar panels and want to add battery storage in Burlingame, the installed cost runs $12,000 to $17,000 depending on your inverter type and whether we need to relocate microinverters or add a DER-compliant gateway. Homes with string inverters from 2015 or earlier often need a full inverter replacement to integrate battery backup, which changes the scope and the math. Bring us a bill and we will show you the real numbers.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Burlingame
We install and service FranklinWH, Tesla, and Enphase battery systems, and we maintain stock of the most common balance-of-system parts for Burlingame jobs: stainless battery wall-mount brackets, corrosion-resistant conduit fittings, load-shedding relays, and DER gateways. That local parts shelf means a battery that faults on Tuesday in Burlingame is not waiting until Friday for a truck from Sacramento. We also work with SolarEdge inverters on retrofit jobs where the existing string hardware is still in good shape.
Common Solar Battery Storage & Backup Problems We See in Burlingame Homes
- Salt-air corrosion on wall mounts and conduit. Homes within a half-mile of the bay shoreline, especially in the Lyon Hoag and Easton Addition neighborhoods, see mild-steel battery brackets and conduit fittings corrode within five to seven years. We install stainless steel or powder-coated aluminum hardware as standard on coastal Burlingame jobs, not as an upgrade option.
- Pre-1950s main panels tripping battery breakers. A 100-amp or smaller main panel from the 1930s cannot handle backup current from a modern battery when multiple legacy circuits try to draw at once. We add a critical-loads subpanel or a load-shedding device so the refrigerator and garage door keep working without resetting breakers every evening.
- Legally protected tree canopy limiting battery recharge. Burlingame’s tree protection ordinance makes it nearly impossible to prune a mature oak, redwood, or deodar cedar for solar access. When a protected canopy shades the array from the east, battery state-of-charge stays low through June Gloom mornings, and evening air conditioning loads finish the job. We size battery capacity and inverter ratios around the shade you cannot remove.
- June Gloom morning underproduction on west-facing arrays. Homes on the bay side of El Camino Real get heavy marine-layer fog from late May into August, which delays solar production until mid-morning. A battery sized for a sunny inland pattern will not fill by evening on those days. We model production with coast-specific weather data, not a generic Peninsula average.
Pricing for Solar Battery Storage & Backup in Burlingame, CA
Here are the ranges we see on Burlingame jobs: Tesla Powerwall 3 installed for $13,500 to $16,500. Enphase IQ Battery 5P for $4,800 to $7,200 per unit. Battery retrofit onto existing solar for $12,000 to $17,000. Whole-home backup for $18,000 to $26,000 depending on panel age and load count. The two biggest cost drivers in Burlingame are electrical panel upgrades (common on pre-1950s homes) and stainless hardware upgrades for bay-adjacent corrosion zones within a half-mile of the shoreline. Estimates are free, and the price we quote is the price you pay. Take two weeks to think about it. The number will be the same.
Why Burlingame’s Tree Ordinance Changes Battery Sizing
Burlingame calls itself the City of Trees, and that is not a nickname. The municipal tree protection ordinance requires a permit to prune or remove any private tree over a diameter threshold, and the city arborist routinely denies pruning requests when the motivation is solar access rather than tree health. That means an oak or deodar cedar shading your optimal roof plane is legally untouchable in most cases, and unlike San Mateo or Millbrae, the denials here are near-absolute. What does that do to a battery? A shaded array produces less, so the battery has less afternoon energy to store. We size battery capacity, inverter input, and backup circuits for your actual shaded production, not a brochure estimate that assumes full sun. If your installer does not factor the canopy into the battery model, you will end up with a battery that never reaches full charge between May and August.
On a 1930s Spanish Colonial Revival near Easton Drive, our crew added two Enphase IQ Battery 5P units to an existing microinverter array after the homeowner saw true-up statements spike under NEM 3.0. The shaded rear roof plane, blocked by a protected deodar cedar, forced us to relocate two panels to the side elevation and reconfigure the battery’s backup circuit to cover only the refrigerator, garage door, and home office. That cut the payback period by three years compared to a whole-home setup that would have underperformed every morning the fog sat low over the bay.
Time-of-Use & NEM 3.0 Optimization in Burlingame
NEM 3.0 changed the battery math for every PG&E customer on the Peninsula, but Burlingame’s marine layer makes the optimization different than inland cities like Redwood City or San Carlos. Under NEM 3.0 export rates, solar sent back to the grid during mid-day hours earns pennies, while power drawn from the grid during the 4 to 9 pm peak window costs real money. The right move is to store your own production and discharge during the peak window. But when morning fog suppresses early production until late morning, the battery has a shorter window to recharge before the sun drops behind the coastal hills. We configure charge and discharge schedules around your actual morning production curve, using coast-specific weather data rather than a Peninsula-average model. That is what cuts the NEM 3.0 payback period from “never” to workable for a lot of Burlingame homes.
Salt Air and Battery Hardware in Burlingame
Salt-laden air off the bay is a real factor for battery storage hardware in Burlingame, not just for panels and rails. Mild-steel wall-mount brackets, conduit fittings, and junction boxes on homes within a half-mile of the shoreline corrode within five to seven years. What looks fine at year two can be flaking rust at year six. We use stainless steel or anodized aluminum mounting hardware on bay-proximate jobs as standard, and we schedule a corrosion check at every maintenance visit. A battery that is mounted with cheap hardware is a battery that will need to be reinstalled, and that is a bill nobody wants to see twice.
We Also Serve Cities Near Burlingame
Gus’s Solar handles Solar Battery Storage & Backup across the mid-Peninsula, including Hillsborough, Millbrae, San Mateo, and San Bruno. If you live just outside the city line, the same crew that works Burlingame can be at your house with the same background-checked, uniformed team. For Burlingame specifically, see our Burlingame page for neighborhood-level detail.
Serving Burlingame, CA - Our Local Coverage Area
We’re based in the Burlingame 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 Burlingame
Yes, a protected tree in Burlingame can legally shade your array and reduce your battery’s recharge rate, because the city’s tree ordinance prohibits pruning for solar access and the arborist rarely grants exceptions. What you can do is reposition panels to a legally clear elevation, add microinverters or power optimizers to reduce shade losses, and increase battery capacity to store whatever the shaded array does produce. Call (877) 550-6892 for an on-site shade reading before you sign anything.
A 100-amp main panel from the 1920s through 1960s cannot safely handle the backup current a Tesla Powerwall delivers when the grid goes down, and Burlingame inspectors will not sign off on the install without a panel de-rate, subpanel, or 200A upgrade. The upgrade runs $2,200 to $3,400 on most Burlingame homes depending on the existing meter location and service entrance condition. We include that cost in the quote up front, not as a change order later.
Under NEM 3.0 in PG&E territory, a battery in Burlingame typically shifts the solar-plus-storage payback from roughly 9 to 11 years without a battery down to 6 to 8 years with one, because the battery lets you avoid buying peak-window power at $0.50 to $0.60 per kWh. The exact number depends on your shaded production curve, your true-up history, and whether you have an EV charger drawing from the same panel. Call (877) 550-6892 for a payback model built from your actual bill, not a brochure estimate.
On fog-heavy mornings from late May through August, a west-facing Enphase array in Burlingame may not produce meaningful power until 10 or 11 am, which can leave an undersized battery short of full charge by the 4 to 9 pm peak window. We size the battery and the array with coast-specific weather data, not Peninsula averages, so the math matches what actually happens in June and July on the bay side of El Camino Real.
Salt corrosion is a real issue for battery wall-mount brackets, conduit fittings, and junction boxes in Burlingame, especially within a half-mile of the shoreline where we regularly replace rusted mild-steel hardware on systems installed by out-of-town crews using inland-spec parts. We use stainless or anodized aluminum hardware on coastal Burlingame jobs as standard, and we inspect for early rust at every maintenance visit. Call (877) 550-6892 if your existing battery hardware is showing rust or flaking.
Get a Straight Answer on Battery Storage in Burlingame
If you live in Burlingame and you are tired of national outfits that quote one number on the phone and another at the door, call Gus’s Solar. A live person answers 24/7. Gus Petrakis puts his own name on the work, the estimate comes from your actual bill, and nobody will pressure you to sign tonight. The 90-Day Done Right Promise covers every battery install in writing: if it is not right, we make it right, and one call brings Gus back. Call (877) 550-6892 for a free estimate on Solar Battery Storage & Backup in Burlingame.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Burlingame and the mid-Peninsula since 2011.






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