Between 2023 and 2025, 483 home solar systems were installed in El Monte by 103 different companies. Sunrun installed the most (100, or 21% of the local market), followed by Complete Solar (43) and V3 Electric (22). 42% of the systems were leased or financed through a power purchase agreement; the rest were bought outright. Every company in the ranking was still installing in 2025; installers that have since closed are left out.
Top 9 Solar Companies in El Monte by Home Installations
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Serves El Monte, CA · no office address listed
- Most installations
- Mostly leases & PPAs
- Typical system
- 3.6 kW
- Median price (owned)
- $2.90/W
- Leased / PPA
- 65%
- With battery
- 31%
Sunrun mostly sells leases and power purchase agreements: 65% of its systems here were leased or on a PPA, so the homeowner pays monthly and doesn't own the panels. Its most common setup here pairs JA Solar panels with SolarEdge inverters with power optimizers. 31% of its systems here include a home battery. Its median price for an owned system, $2.90/W, is 31% below the El Monte median of $4.22/W. A typical system is 3.6 kW, about 9 panels, and it has installed in El Monte since 2000. It is also among the top installers in 107 other cities we rank, including Bakersfield and San Diego.
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Serves El Monte, CA · no office address listed
- Typical system
- 3.2 kW
- Median price (owned)
- $4.48/W
- Leased / PPA
- 40%
- With battery
- 2%
Complete Solar sells both: 40% of its systems here were leased or on a PPA, the rest bought outright. Its most common setup here pairs Qcells panels with Enphase microinverters. Its median price for an owned system, $4.48/W, is 6% above the El Monte median of $4.22/W. A typical system is 3.2 kW, about 8 panels, and it has installed in El Monte since 2011. It is also among the top installers in 15 other cities we rank, including Ontario and Lancaster.
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- Mostly leases & PPAs
- Most battery installs
- (844) 837-6937
- v3electric.com
- 12402 Industrial Blvd # B7, Victorville, CA 92395
- Typical system
- 5.6 kW
- Leased / PPA
- 100%
- With battery
- 96%
V3 Electric mostly sells leases and power purchase agreements: 100% of its systems here were leased or on a PPA, so the homeowner pays monthly and doesn't own the panels. Its most common setup here pairs CSI Solar panels with Enphase microinverters. 96% of its systems here include a home battery, well above the El Monte average of 34%. A typical system is 5.6 kW, about 14 panels, and it has installed in El Monte since 2013. It is also among the top installers in 18 other cities we rank, including San Bernardino and Concord.
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- (855) 808-8887
- 2280 Shasta Way,Unit 104, Simi Valley, CA 93065
- Typical system
- 5.6 kW
- Leased / PPA
- 40%
- With battery
- 75%
South West Builders sells both: 40% of its systems here were leased or on a PPA, the rest bought outright. Its most common setup here pairs CSI Solar panels with Enphase microinverters. 75% of its systems here include a home battery, well above the El Monte average of 34%. A typical system is 5.6 kW, about 14 panels, and it has installed in El Monte since 2016. It is also among the top installers in 4 other cities we rank, including Los Angeles and Inglewood.
Phone from its California contractor license, CSLB #1012298
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- (866) 865-4559
- 970 West 190th Street Ste 302, Torrance, CA 90502
- Typical system
- 6.3 kW
- Leased / PPA
- 56%
- With battery
- 33%
ESP (Energy Service Partners) sells both: 56% of its systems here were leased or on a PPA, the rest bought outright. Its most common setup here pairs CSI Solar panels with SolarEdge inverters with power optimizers. 33% of its systems here include a home battery. A typical system is 6.3 kW, about 16 panels, and it has installed in El Monte since 2014. It is also among the top installers in 36 other cities we rank, including Moreno Valley and Santa Ana.
Phone from its California contractor license, CSLB #619149
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- (714) 582-3909
- 13752 Harbor Blvd, Garden Grove, CA 92843
- Typical system
- 7.8 kW
- Leased / PPA
- 50%
- With battery
- 14%
SWSS Electrical sells both: 50% of its systems here were leased or on a PPA, the rest bought outright. Its most common setup here pairs SEG Solar panels with Enphase microinverters. 14% of its systems here include a home battery. A typical system is 7.8 kW, about 19 panels, and it has installed in El Monte since 2015. It is also among the top installers in 2 other cities we rank, including Garden Grove and Santa Ana.
Phone from its California contractor license, CSLB #1004667
- Map & reviews ↗
Hlv Electric
Serves El Monte, CA · no office address listed
- Mostly sells systems you own
- Typical system
- 10.0 kW
- Leased / PPA
- 0%
- With battery
- 27%
Hlv Electric mostly sells systems the homeowner owns, paid in cash or with a loan. Its most common setup here pairs SunPower panels with Enphase microinverters. 27% of its systems here include a home battery. A typical system is 10.0 kW, about 25 panels, and it has installed in El Monte since 2008.
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Serves El Monte, CA · no office address listed
- Mostly leases & PPAs
- Typical system
- 7.6 kW
- Leased / PPA
- 100%
- With battery
- 50%
Bright Planet Solar mostly sells leases and power purchase agreements: 100% of its systems here were leased or on a PPA, so the homeowner pays monthly and doesn't own the panels. Its most common setup here pairs LONGi Green Energy panels with SolarEdge inverters with power optimizers. 50% of its systems here include a home battery. A typical system is 7.6 kW, about 19 panels, and it has installed in El Monte since 2001. It is also among the top installers in 69 other cities we rank, including Stockton and Chula Vista.
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Serves El Monte, CA · no office address listed
- Mostly sells systems you own
- Typical system
- 8.3 kW
- Leased / PPA
- 0%
- With battery
- 70%
Tesla mostly sells systems the homeowner owns, paid in cash or with a loan. Its most common setup here pairs Tesla panels with Tesla inverters. 70% of its systems here include a home battery, well above the El Monte average of 34%. A typical system is 8.3 kW, about 21 panels, and it has installed in El Monte since 2001. It is also among the top installers in 84 other cities we rank, including Fremont and Sunnyvale.
Comparing quotes in El Monte?
Divide each quote's total, before incentives, by the system size in watts. Homeowners in El Monte who bought their system paid a median of $4.22/W in 2023–2025. Reject any 2026 quote that subtracts a 30% federal tax credit from a purchase: that credit ended in 2025.
How to check a solar quote →Home Solar in El Monte by the Numbers
Based on 489 residential systems installed in El Monte between 2023 and 2025, as reported to utilities and state agencies.
Most-installed panel brands
- Qcells
- JA Solar
- Hanwha Q CELLS
Most-installed inverter brands
- Enphase Energy
- SolarEdge
- Tesla
How these brands compare nationwide: share, price and leasing →
Home installations per year
Median price of owned systems by year: 2020: $4.17/W · 2021: $3.92/W · 2022: $4.31/W · 2023: $4.22/W · 2024: $4.22/W · 2025: $4.23/W.
Solar Panel Repair in El Monte
When a system stops producing, the best first call is an established local company. The companies ranked above installed systems in El Monte through 2025, so they know the equipment on local roofs. Many will service a system they didn't install, but not all — ask before you book, and expect a diagnostic fee.
52% of the home systems installed here in 2023–2025 use Enphase Energy inverters, followed by SolarEdge (33%). Enphase systems use a microinverter under each panel, so one failure usually knocks out a single panel and the monitoring app shows which one. Systems with a central (string) inverter — SolarEdge and others — stop producing entirely when that inverter fails; a dark screen or an error code on the unit on your wall is the usual sign.
Checks to do before you call anyone: solar troubleshooting guide. Storm damage, a roof leak or a burning smell: what to do first.
Installers That Closed or Went Bankrupt in El Monte
At least 88 home solar systems in El Monte were installed by companies that have since closed, liquidated or filed for bankruptcy. They are left out of the ranking above. If one of them installed your system, its workmanship warranty is likely gone — but panel and inverter warranties come from the manufacturer and usually survive the installer.
- Freedom Forever51 systems in El Monte
Filed for Chapter 11 in April 2026; converted to Chapter 7 liquidation in August 2026. Source: pv magazine USA
- SunPower37 systems in El Monte
Filed for Chapter 11 bankruptcy in August 2024. Its assets were sold off. The SunPower brand now belongs to Complete Solaria, a different company that renamed itself SunPower in 2025. Source: Utility Dive
- Calstate Solar33 systems in El Monte
No installations recorded anywhere in California after 2024 (records run through 2025). That does not by itself mean the company closed — check before relying on it for service.
- Truepower Solar21 systems in El Monte
No installations recorded anywhere in California after 2024 (records run through 2025). That does not by itself mean the company closed — check before relying on it for service.
See the full list of solar companies that went out of business and what still works if yours is one of them.
Solar in El Monte: Common Questions
Who installs the most solar panels in El Monte?
In the most recent three years of records (2023–2025), Sunrun installed 100 home systems in El Monte, more than any other company. Complete Solar (43) and V3 Electric (22) came next. Volume shows local experience, not workmanship, so compare quotes and reviews before choosing.
How much does a solar system cost in El Monte?
Homeowners who bought their system outright paid a median of $4.22/W before incentives, and the typical system was 5.3 kW — about $22,500 in total. Prices vary by installer: in the ranking above, the median ranges from $2.90/W to $4.48/W.
Do most people in El Monte buy or lease their panels?
58% bought their system and 42% leased it or signed a power purchase agreement (PPA). With a lease or PPA you pay little upfront, but you don't own the panels and the savings are smaller over the contract. Some installers sell almost only one way — check the "Leased / PPA" figure for each company in the ranking.
Who repairs solar panels in El Monte?
Start with the companies in the ranking above: Sunrun, Complete Solar and V3 Electric did the most work here, and an installer that knows the equipment on local roofs can usually diagnose a fault faster. If your system was leased or is on a PPA, call the company you pay each month first — maintenance is normally its job.
Can I still get the federal solar tax credit in 2026?
Not as a homeowner buying the system: the 30% residential credit (Section 25D) ended on December 31, 2025. Be wary of any quote that still subtracts it from the price. See our 2026 solar tax credit guide for what's left.
What if my solar installer went out of business?
Your panels and inverters are still covered by their manufacturers' warranties; what you lose is the installer's workmanship and roof-leak warranty. If the system is leased or on a PPA, the company you pay each month is usually responsible for repairs, and any active company in the ranking can take over service. See the installers that closed in El Monte and what still works when an installer closes.
What do homeowners in El Monte pay for electricity?
Residential customers in California pay an average of 34.74¢ per kWh, 99% above the national average. The higher the rate, the faster solar pays for itself. Source: EIA, Electric Power Monthly, Table 5.6.A.
No company pays to be listed or to rank higher, and any ad on this site is labeled. Before you sign, confirm the contractor license, insurance and recent reviews, and get at least three quotes. If a company in El Monte has closed, moved or changed its phone number, tell us and we'll check it.
How This Ranking Works
Companies are ranked by the home solar systems they installed here in 2023–2025, from utility and state records; each needs at least 10 local installations and must still have been installing in 2025. Closed or bankrupt companies are removed and listed separately. The count shows local experience, not workmanship or service.
Source: Tracking the Sun, Lawrence Berkeley National Laboratory (2026 edition), licensed CC BY 4.0. In New York and New Jersey, recent years come from the state programs' own records (NYSERDA and New Jersey's Clean Energy Program). Company names were standardized and closures checked against news reports by Solar Power Fix. More about our methodology.
Solar system not producing in El Monte?
The checks to do before you call anyone: the inverter screen, the breakers, the monitoring app and what each error code means.