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 Bloomington
Solar battery storage in Bloomington runs between $11,500 and $17,800 for a complete installation, and most jobs are permitted and operational within three to six weeks once San Bernardino County signs off. That timeline depends on whether your panel needs a service upgrade, which about half of Bloomington’s older ranch homes do. We’re the crew that shows up on time, files the right county paperwork the first time, and answers the phone when you call. If you’re sitting in the dark during a brownout off Santa Ana Avenue, call us at (877) 550-6892 and a live person picks up.
Bloomington homeowners live with a specific set of realities: unincorporated county permitting, summer heat that pushes past 105°F, and diesel soot from the I-10 and BNSF rail yard settling on everything, including your panels and your battery enclosure. Our Solar Battery Storage & Backup crew knows these conditions because we work in them weekly. A battery system spec’d for a coastal home won’t hit the same numbers here, and we quote Bloomington’s real numbers, not a brochure figure.
Why Gus’s Solar Is Bloomington’s Preferred Solar Battery Storage & Backup Company
Gus Petrakis founded this company in 2011 and still answers his own phone. That matters in a place like Bloomington, where a lot of the work we do now is fixing or completing jobs that out-of-state installers abandoned when the paperwork got complicated. Homeowners here remember the door-knockers who quoted one number on the porch and another on the contract. We don’t do that. Bring us your SCE bill, we’ll show you the math off your actual usage and current TOU rates, and we’ll tell you to take two weeks before signing anything. The price will be the same.
Our response time to Bloomington is same-day for emergencies and next-day for standard service calls. We carry FranklinWH, Tesla, and Enphase battery hardware in local stock, so we’re not waiting on a freight shipment from Texas when your backup power is down. A live person answers calls 24/7, and Gus’s own background-checked, uniformed crew does every install. No subs. No third-party call center. You’ll see the same faces at Ace Hardware on Valley Boulevard that you saw on your roof.
Key Takeaways
- Bloomington battery installs run $11,500-$17,800; retrofits to existing solar run $8,200-$13,400.
- Every battery permit in Bloomington routes through San Bernardino County, not a city hall, and filing the wrong packet costs weeks.
- 105°F heat and I-10/rail soiling cut battery throughput by up to 20% if not spec’d correctly.
- Homes with 100-amp original panels typically need a service upgrade before whole-home backup works safely.
- We’re Bloomington locals serving neighbors, not a national outfit with a leased logo.
Our Solar Battery Storage & Backup Services in Bloomington
Tesla Powerwall Installation
A Tesla Powerwall 3 installed in Bloomington typically runs $12,200 to $15,800 before any incentives. We mount these on shaded north or east walls whenever possible, because a west-facing unshaded wall in a Bloomington July hits ambient temperatures that force the Powerwall’s thermal management to throttle charging. For homes along Cedar Avenue or Jurupa Avenue where afternoon sun is relentless, we’ll recommend a shaded enclosure or interior garage mount to keep the battery’s daily kWh offset where it belongs.

Enphase IQ Battery Installation
The Enphase IQ Battery 5P runs about $10,400 to $13,600 installed in most Bloomington homes. It’s a strong choice for smaller ranch homes that don’t need whole-home backup, just critical loads like the refrigerator, well pump, and a few lights. Enphase’s modular design means we can start with one unit and add capacity later without rewiring the whole system, which suits homeowners on a budget who want NEM 3.0 protection now and expansion in a year or two.

Whole-Home Backup Power
Whole-home backup in Bloomington usually lands between $14,000 and $17,800 when you include the service upgrade most 1950s through 1980s homes need. The original 100-amp panels on many of these ranch homes simply can’t handle a full battery discharge while the well pump, septic aerator, and a workshop compressor all cycle at once. We quote the real number up front. If your panel needs an upgrade to 200 amps, you’ll know before you sign anything, not after the crew opens the wall.

Battery Retrofit for Existing Solar
If you already have panels and you’re feeling the NEM 3.0 true-up sting, a retrofit in Bloomington runs $8,200 to $13,400 depending on your inverter and how much backup capacity you want. This is the single most common job we do here. Homeowners who went solar between 2010 and 2020 are watching their export credits shrink toward zero during midday, then paying peak SCE rates from 4 to 9 p.m. A retrofit fixes that. We’ll pull your actual bill, re-derate for Bloomington’s valley heat and soiling, and show you the year-25 number, not the day-one number.

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 Bloomington
We install and service FranklinWH, Tesla, and Enphase battery systems, and we keep common replacement parts in local stock so a Bloomington service call doesn’t turn into a two-week wait. If you have an existing SolarEdge inverter, we integrate with it directly. Our crew is factory-trained on all three battery brands, and we handle warranty claims in-house so you don’t spend your evenings on hold with a manufacturer. When a Powerwall throws a fault code the week before fire season, you call us and we come out. That’s the arrangement.
Common Solar Battery Storage & Backup Problems We See in Bloomington Homes
- Permit rejections from wrong-county filings. Installers who pull a Fontana or Rialto permit packet instead of San Bernardino County’s AHJ forms get denied. The battery sits unpermitted for weeks, right when a homeowner needs backup for Public Safety Power Shutoffs. We pre-file county-specific paperwork before the equipment even arrives.
- Heat and diesel soot throttling battery output. Ambient temperatures above 105°F combined with constant I-10 truck and BNSF rail particulate force thermal management to cut charge and discharge rates. We’ve measured up to 20% lower daily kWh offset on batteries mounted on unshaded west-facing walls. Mount location matters in Bloomington more than any spec sheet admits.
- Undersized 100-amp panels tripping the main breaker. When a whole-home backup is configured without a service upgrade, the well pump, septic aerator, and garage air compressor cycling together will nuisance-trip the main. We see this every few months on homes that another contractor “finished” without touching the panel.
- NEM 3.0 true-up shock on older systems. Bloomington homeowners with pre-2023 solar and no battery are getting hammered at their annual true-up because SCE’s TOU rates flatten midday export credits. Without storage, the original payback period on that 2015 install stretches by years. A retrofit is the only practical fix.
One more thing unique to Bloomington: since we’re unincorporated, the Authority Having Jurisdiction for both building and fire clearance is San Bernardino County Land Use Services and Building & Safety, not any city fire marshal. We’ve untangled more than a dozen jobs where a Fontana or Rialto permit packet got rejected and the homeowner was left with a bricked battery in the garage for a month. County pre-filing is a standard part of every Bloomington install we do, not an upsell.
Pricing for Solar Battery Storage & Backup in Bloomington, CA
Here’s what we quote in Bloomington right now:
- Tesla Powerwall 3 installation: $12,200-$15,800
- Enphase IQ Battery 5P installation: $10,400-$13,600
- Whole-home backup with service upgrade: $14,000-$17,800
- Retrofit to existing solar (no new panels): $8,200-$13,400
- 200-amp panel service upgrade (if needed): $3,800-$5,200
These ranges reflect Bloomington’s actual market, including county permit fees, the service upgrades roughly half of our customers need, and derating for thermal loss. We give you a fixed, written price before work starts. Estimates are free, and there’s no trip charge inside our own county. Call (877) 550-6892 and bring your SCE bill. We’ll bring the math.
We Also Serve Cities Near Bloomington
Our Solar Battery Storage & Backup in Bloomington crew regularly handles jobs in Fontana just across the I-10, Rialto to the northeast, Glen Avon along the river corridor, and Pedley to the south. If you’re on the edge of Bloomington or a few miles out, you’re still inside our service area and you’ll get the same county-permit expertise and same-day emergency response. Live person answers 24/7.
Serving Bloomington, CA - Our Local Coverage Area
We’re based in the Bloomington 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 Bloomington
Yes, every battery install in Bloomington requires permits from San Bernardino County Land Use Services and Building & Safety, not any city hall. The county review typically takes two to four weeks when paperwork is filed correctly the first time. Filing a Fontana or Rialto packet by mistake adds weeks. That’s exactly why our crew pre-files the county-specific forms before equipment ships. Call (877) 550-6892 and we’ll give you a realistic timeline for your address.
In Bloomington’s summer conditions, we derate projected battery throughput by 15 to 20 percent for a unit mounted on an unshaded west-facing wall. The combination of 105°F ambient heat, which forces thermal throttling, and heavy I-10 and rail particulate, which degrades cooling efficiency over time, is a measurable loss here. We factor this into every quote so you’re not surprised at true-up. A shaded mount or garage installation recovers most of that loss.
In most cases, yes, but it depends on your compressor’s startup draw and your panel’s capacity. A large single-stage compressor can pull 50 to 80 amps at startup, which will trip a 100-amp main if the battery’s discharge profile isn’t configured to manage the surge. We’ve done exactly this on a half-acre parcel off Santa Ana Avenue, pairing a Tesla Powerwall 3 with a 125-amp subpanel upgrade so the homeowner could run their panel saw and compressor off stored solar through the 4 to 9 p.m. peak. Call us with your compressor’s horsepower and we’ll tell you straight whether you need a panel upgrade.
For most Bloomington homeowners with pre-2023 solar, a retrofit pays for itself in six to nine years and cuts the true-up bill by half or more. NEM 3.0 slashed midday export credits to near zero while evening TOU rates rose, so without storage your 2010-era system is generating power you’re giving away and then buying back at peak. A battery shifts that generation into the 4 to 9 p.m. window. We quote the year-25 output, and we’ll show you the number on your own bill.
Yes, manufactured and mobile homes in Bloomington can take battery storage, but the battery is typically mounted on a ground-level concrete pad or an exterior-rated wall bracket rather than interior wall space. County fire code for mobile homes requires specific clearance from the home’s skirting and any propane tanks. We’ve installed several ground-mount systems on the larger parcels in Bloomington’s manufactured-home communities, and the county permit path is the same one we pre-file for every job.
If you’re in Bloomington and you want honest numbers, a county-compliant install, and a crew that comes back when you call, call Gus’s Solar at (877) 550-6892. Free estimate. Take two weeks to think about it. The price will be the same.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Bloomington and the Inland Empire since 2011.






Before
After
Before
After
Before
After