ACT NOW. Solar Tax Credit is at risk. Go Solar Before It's Too Late.

ACT NOW. Solar Tax Credit is at risk.
Go Solar Before It's Gone.

El Cajon

Save Money with Your Solar Installation in El Cajon CA

Looking for solar installation in El Cajon, CA? Cut energy bills with expert service—get your free quote today and start saving with clean energy!

Power Your El Cajon Home with Affordable Solar Energy

Living in El Cajon means enjoying year-round sunshine—and that makes it an ideal place to invest in solar energy. At Option One Solar, we specialize in high-quality solar installation in El Cajon, CA, helping homeowners and businesses reduce their utility bills, increase energy independence, and contribute to a greener future.

Whether you're new to solar or ready to upgrade your system, our in-house experts deliver top-tier service backed by decades of experience in Southern California. We're here to help you harness the sun’s power—on your terms.

Solar Services We Offer in El Cajon

Residential Solar Panel Installation
We design and install customized solar systems for homes across El Cajon, ensuring optimal energy production and long-term savings. Every system is tailored to your energy usage, roof type, and household goals.

Battery Backup Solutions
Store excess solar energy for use at night or during outages. Pairing a battery with your solar installation is a smart move to enhance your system’s performance and qualify for better financing terms.

Commercial Solar Installations
Businesses in El Cajon can cut overhead costs and improve sustainability with our commercial-grade solar solutions. We serve offices, retail buildings, warehouses, and more.

System Upgrades & Monitoring
Already have solar? We provide panel upgrades, battery add-ons, and performance monitoring tools that help you get more value from your current system.

Why El Cajon Residents Choose Option One Solar

Local Knowledge & Proven Experience
We’ve been helping Southern California homeowners go solar for decades. Our deep understanding of El Cajon’s local climate, zoning, and utility policies means a faster, smoother installation process from start to finish.

Dedicated In-House Team
Unlike companies that outsource, we use our own certified crews for every step of the project. This ensures consistent workmanship, better accountability, and top-notch customer care.

Transparent Quotes, No Sales Pressure
We believe in honest, clear proposals without gimmicks. Our goal is to educate—not push you into something that doesn’t fit your needs.

Flexible Financing Options
From $0-down loans to solar-plus-battery financing packages, we’ll help you find the right payment plan. Bundling your battery at the time of installation often secures the best interest rates and system incentives.

Long-Term Support
Our commitment doesn’t end at installation. Option One Solar offers ongoing support, monitoring assistance, and system checks to make sure your solar continues to perform at its best.

FAQs

Q: What kind of return can I expect from solar in El Cajon?
A: Most homeowners start seeing monthly savings right away. Over time, those savings can add up significantly—especially when paired with rising utility rates.

Q: Is now a good time to go solar?
A: Yes. Current solar incentives and favorable loan terms are still in effect, and El Cajon’s abundant sunshine means excellent production year-round. Waiting could mean missing out on key benefits.

Q: Do I need a battery with my solar system?
A: While not required, we recommend considering a battery—especially when installing solar for the first time. Bundling the two can improve your savings, boost your backup power capabilities, and increase financing options.

Start Your Solar Journey Today

If you're ready to take control of your energy and enjoy long-term savings, Option One Solar is here to help. Our team will guide you through every step—from consultation and design to permitting and installation.

Call us now at (855) 502-6363 or fill out our quick online form to schedule your free solar consultation.

Join the Community of Satisfied Solar Customers

Real stories, real savings—why your neighbors love working with us.

Join the Community of Satisfied Solar Customers

Real stories, real savings—why your neighbors love working with us.

Join the Community of Satisfied Solar Customers

Real stories, real savings—why your neighbors love working with us.

Benefits of Going Solar in El Cajon

Huge Savings

Save hundreds of thousands on electricity costs.

Huge Savings

Save hundreds of thousands on electricity costs.

Avoid Rate Hikes

Protect yourself from annual utility rate increases.

Avoid Rate Hikes

Protect yourself from annual utility rate increases.

Incentives

Take advantage of the 30% tax credit while it's here.

Incentives

Take advantage of the 30% tax credit while it's here.

Why Choose Us?

Why Choose Us?

Why Choose Us?

Built on Legacy

Over 54 years of expertise, including work with NASA and SpaceX, ensuring the highest standards in solar technology and service.

Built on Legacy

Over 54 years of expertise, including work with NASA and SpaceX, ensuring the highest standards in solar technology and service.

Built on Legacy

Over 54 years of expertise, including work with NASA and SpaceX, ensuring the highest standards in solar technology and service.

Tailored Solutions

We design custom solar systems for every home, optimizing efficiency and performance for your unique energy needs.

Tailored Solutions

We design custom solar systems for every home, optimizing efficiency and performance for your unique energy needs.

Tailored Solutions

We design custom solar systems for every home, optimizing efficiency and performance for your unique energy needs.

Best-in-Class Components

We use only the most reliable and durable solar panels, inverters, and batteries for consistent energy output and long-term performance.

Best-in-Class Components

We use only the most reliable and durable solar panels, inverters, and batteries for consistent energy output and long-term performance.

Best-in-Class Components

We use only the most reliable and durable solar panels, inverters, and batteries for consistent energy output and long-term performance.

Comprehensive Warranties

Backed by a 25-year warranty covering components, labor, and roof integrity, giving you peace of mind.

Comprehensive Warranties

Backed by a 25-year warranty covering components, labor, and roof integrity, giving you peace of mind.

Comprehensive Warranties

Backed by a 25-year warranty covering components, labor, and roof integrity, giving you peace of mind.

Energy Independence

As a family-owned business, we treat every customer like family, providing lifetime support and care.

Energy Independence

As a family-owned business, we treat every customer like family, providing lifetime support and care.

Energy Independence

As a family-owned business, we treat every customer like family, providing lifetime support and care.

Customer-First Values

As a family-owned business, we prioritize integrity, dedication, and treating customers like family.

Customer-First Values

As a family-owned business, we prioritize integrity, dedication, and treating customers like family.

Customer-First Values

As a family-owned business, we prioritize integrity, dedication, and treating customers like family.

Make The Switch to Solar

Make The Switch to Solar

Get a detailed and hassle-free quote today.

Get Your Free Solar Quote

Get Your Free Solar Quote

Get Your Free Solar Quote