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Fast, Reliable Solar Battery Storage & Backup Across Covina
Solar battery storage in Covina solves a very specific problem: your panels generate plenty of power during the day, but Southern California Edison pays so little for what you send back under NEM 3.0 that the math falls apart without a battery. A properly sized battery system in Covina typically runs $12,000-$18,500 before incentives, and it shifts your stored solar into the 4-9 PM on-peak window when electricity costs the most. That’s the difference between watching your true-up statement climb and actually seeing it drop. If you’re in the 91722, 91723, or 91724 ZIP codes and tired of paying SCE peak rates after dark, call Gus Petrakis and his crew at (877) 550-6892.
We know Covina homes. We know the 1950s ranch houses off Badillo Street, the tree-lined blocks around Covina Park, and the newer subdivisions up toward Charter Oak. More importantly, we know how SCE bills work for Covina rooftops under the current tariff, and we build every battery system around your actual usage, not a brochure estimate.
Why Gus’s Solar Is Covina’s Preferred Solar Battery Storage & Backup Company
Gus Petrakis started this company in 2011 and put his name on the building. That’s a different kind of accountability than what you get from a door-knocker with a tablet and a lease agreement. When a Covina homeowner calls about a battery that isn’t discharging right, Gus is the one who shows up. Not a subcontractor. Not a rotating crew. The owner.
Our Solar Battery Storage & Backup team has worked on homes from one end of Covina to the other, and we understand what the inland heat does to both equipment and billing cycles. Summer temperatures here regularly top 100°F with no marine layer to cool things down. Your AC runs hard from mid-afternoon into the evening. That’s precisely when SCE’s on-peak rates hit, and that’s exactly when a well-programmed battery should be discharging. We design for that specific pattern.
Every job carries the 90-Day Done Right Promise in writing. If something isn’t right, Gus makes it right. One call. We also answer the phone with a live person 24/7, which matters when your battery throws an error code at 9 PM on a Friday in August and you’re watching your meter spin at peak rates.
- Covina is 100% SCE territory under NEM 3.0, where export credits are pennies per kWh, making batteries effectively mandatory for real savings.
- Typical solar battery installation in Covina runs $12,000-$18,500 before incentives, depending on system size and whether a panel upgrade is needed.
- Most 1950s-1970s Covina ranch homes need a 100-amp to 200-amp panel upgrade before SCE will approve interconnection for a battery.
- We quote the year-25 output, not the day-one brochure number.
- A live person answers our phone 24/7. Call (877) 550-6892 for a free estimate.
Our Solar Battery Storage & Backup Services in Covina
Gus’s crew installs and maintains battery systems built around how Covina homes actually use power. Here’s what that means in practice.
Time-of-Use & NEM 3.0 Optimization
This is the service that matters most in Covina and the one generic installers miss entirely. Under SCE’s NEM 3.0 tariff, electricity exported to the grid during solar hours earns almost nothing. But electricity imported from 4-9 PM costs a premium. We program your battery to charge from your panels during peak sun, then discharge through that on-peak window so you’re buying almost nothing from Edison when rates triple. For a typical Covina household with heavy afternoon AC load, that shift alone can cut the annual bill by 60-70% compared to a panels-only system.

Battery Retrofit for Existing Solar
Plenty of Covina homes already have solar. Plenty of those systems were sold before NEM 3.0 changed the rules in 2023. If your inverter is still producing but your savings evaporated, the problem isn’t your panels. It’s that nobody gave you storage. We retrofit Tesla Powerwall and Enphase IQ batteries onto existing arrays, including older SolarEdge and Enphase systems, without taking your current system offline for more than a short afternoon.

Whole-Home Backup Power
Covina doesn’t get coastal cooling, and when a heatwave pushes the grid hard, SCE’s aging infrastructure in the San Gabriel Valley shows its age. Whole-home backup means your refrigerator, medical equipment, and at least one AC zone keep running during an outage. We size the system based on your actual breaker panel load, not a one-size-fits-all guess.

Tesla Powerwall Installation
We’re a Tesla-certified installer and we stock Powerwall hardware for Covina jobs. A single Powerwall 3 stores around 13.5 kWh, which covers the 4-9 PM window for most modest single-story homes. Two Powerwalls handle larger properties and heavier AC loads. We handle the full install including the interconnection paperwork with SCE.

Enphase IQ Battery Installation
For Covina homes already running Enphase microinverters, the IQ Battery 5P integrates directly into the existing communication network. No separate gateway needed. These modular units let homeowners start with one or two and expand later, which works well for Covina’s smaller ranch floorplans where utility wall space is tight.

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 Covina
We install and service the equipment Covina homeowners actually read about and ask for by name. That includes Tesla, Enphase, and FranklinWH battery systems, plus SolarEdge inverter integrations for retrofit work. Because we stock common replacement parts and firmware update tools in our local inventory, we don’t make Covina customers wait on a warehouse shipment when a battery throws a fault. Gus’s crew is trained and certified on each brand we install, and we carry all warranty processing in-house so you’re not stuck on hold with a manufacturer call center.
Common Solar Battery Storage & Backup Problems We See in Covina Homes
- Panels-only systems under NEM 3.0 causing true-up bill shock. Covina homeowners who went solar before 2023 are finding out the hard way that SCE now pays roughly 75% less for exported power. Their panels still make plenty of kWh, but the bill barely moves. A battery fixes the math by storing that power instead of selling it cheap.
- Batteries sized for backup only, missing TOU savings. Some Covina installers sell a small battery as “backup” without programming it for the 4-9 PM discharge window. The homeowner gets outage protection but still pays full on-peak rates. That’s leaving thousands on the table every year.
- 100-amp panels tripping breakers during heatwaves. The original electrical panels on most 1950s-1970s Covina ranch homes weren’t designed for a battery charger plus a modern AC load. During a 105°F August afternoon, the combined draw can trip the main breaker. We flag this in every estimate so you’re not surprised later.
- Battery degradation accelerated by garage heat. Covina garages routinely hit 110°F+ in summer. Batteries stored in unconditioned spaces degrade faster than rating sheets suggest. We recommend placement options and ventilation that extend usable life by years.
Pricing for Solar Battery Storage & Backup in Covina, CA
Here’s the honest math for Covina, based on what we actually quote, not what a national sales script says.
| Service | Covina Typical Range |
|---|---|
| Single Tesla Powerwall 3 (installed) | $12,000 - $14,500 |
| Enphase IQ Battery 5P (installed) | $8,500 - $11,000 per unit |
| Battery retrofit to existing solar | $10,500 - $16,000 depending on existing inverter compatibility |
| Whole-home backup with two batteries | $22,000 - $28,500 |
| 100-amp to 200-amp panel upgrade | $3,000 - $4,500 |
| TOU optimization reprogramming (existing battery) | $350 - $650 |
That 100-amp panel upgrade is a real line item on most Covina estimates. Bring us your SCE bill and we’ll show you the year-25 numbers, not the day-one marketing slide. Estimates are free, and there’s no pressure. Take two weeks. The price will be the same. If a salesman needs an answer tonight, the answer is no.
We Also Serve Cities Near Covina
Gus’s crew serves Covina and the surrounding communities throughout the eastern San Gabriel Valley. That includes Vincent, Charter Oak, Azusa, and Citrus. If you’re in one of those neighborhoods and tired of paying SCE peak rates with a full solar array on your roof, call (877) 550-6892 and ask for Gus.
Serving Covina, CA - Our Local Coverage Area
We’re based in the Covina 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 Covina
Your panels are doing their job. The problem is NEM 3.0. Under SCE’s current tariff, power you export during midday earns roughly $0.08/kWh in credit, while power you import from 4-9 PM costs $0.55-$0.65/kWh. You’re selling low everyday and buying high every evening. A battery flips the script by storing your midday surplus for evening use. Call (877) 550-6892 and bring us a bill. We’ll show you the math on your own usage.
Yes. Most SolarEdge HD-Wave and Energy Hub inverters in Covina can integrate a battery, though some older pre-2017 models may need a firmware update or an additional component. We handle the compatibility check, the SC E interconnection application, and the full install. The retrofit keeps your existing panels untouched and adds storage so you can actually use your generated power when rates peak.
With Covina’s high inland sun exposure and SCE’s elevated TOU rates, a properly sized solar-plus-battery system typically pays for itself in 7-9 years. A panels-only system under NEM 3.0 in Covina often stretches to 12-15 years because the export credits are so low. That 5-7 year difference is the battery doing its job every evening. We quote the year-25 output so you see the real long-term picture before you sign anything.
Most Covina homes built between the 1950s and 1970s still have original 100-amp panels, and SCE will not approve interconnection for a battery system on a 100-amp panel in most cases. The upgrade runs $3,000-$4,500 and we include it in every estimate where it’s needed. We’ll tell you upfront whether your panel qualifies or needs the swap, with no surprise line item later.
Covina’s summer temperatures above 100°F accelerate battery degradation, especially when units are installed in unconditioned garages that can hit 110°F or more. The chemistry simply ages faster in sustained heat. That’s why we recommend indoor or shaded, ventilated placement whenever possible, and why we program charge limits to reduce thermal stress. It extends usable battery life by two to four years on average.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Covina since 2011.
If you live in Covina, Charter Oak, Vincent, Azusa, or Citrus and you’re tired of watching SCE peak rates eat what your panels should be saving, call (877) 550-6892. Bring us a bill. We’ll bring you the math. No pressure, no signature tonight, just honest numbers from a local owner who puts his name on the truck.






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