CleanTech Energy Solutions, Inc.

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With 19 years in San Diego’s solar industry, CleanTech is known for integrity, in‑house workmanship, and long‑term customer support. We provide solar, battery storage, and solar water/pool heating for homes and businesses, all installed by our own trained team. Our approach is straightforward and transparent, with clear communication from the first estimate through ongoing maintenance.

Santaluz - Silfab array on terracotta roof

El Cajon - 27.2 kWh - FranklinWH batteries

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5.0

EnergySage Rating

5.0

EnergySage Rating

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About CleanTech Energy Solutions, Inc.

Overview

For more than 19 years, CleanTech Energy Solutions has served San Diego County as a locally owned solar provider using our own in‑house installation team—never subcontractors. We hold a BBB A+ rating and have been nominated for the Ethics Torch Award three years in a row, reflecting our commitment to honest work, quality installations, and long‑term customer support.

We design and install solar electric systems, battery storage, and solar water and pool heating for residential, commercial, and multi‑family properties. Our team provides clear communication and personalized guidance from the initial estimate through installation, maintenance, and repair.

Every system is designed with local conditions, SDG&E rate structures, and long‑term performance in mind. Whether your goal is to reduce electric bills, increase energy independence, or lower your environmental impact, CleanTech offers dependable expertise and local support to help you make an informed decision about solar.

Year Established: 2007
Phone Number: 760-744-1001

Reasons Why You Should Work With Us

Proven trust & credentials
High customer satisfaction & real-service, not just promises
Full-scope services & responsiveness

We speak

English; German

Services

We provide comprehensive solar energy systems with cutting-edge battery storage, plus solar water and pool heating solutions that combat rising electric rates while giving you complete control over your monthly expenses. With our BBB A+ rating and three-time Ethics Torch Award nominations, our dedicated team guides you through every step—from free estimates to seamless installation, ongoing service, and repairs (even if we didn't install your original system). Under California's NEM 3.0 program, our solar-plus-battery solutions are more valuable than ever, allowing you to store and use your solar power precisely when you need it most. Don't just pay your utility company—make your home work for you. Contact us today for your free estimate and discover how thousands of San Diego homeowners are already saving with solar!

Services Offered

Installation
Financing
Solar Repair & Maintenance

Partners

Associated product manufacturers

Pegasus Solar (Racking)
FranklinWH (energy storage)
Enphase Energy (inverters, energy storage)
SolarEdge (inverters, energy storage)
SigEnergy (inverter, energy storage)
Silfab Solar (modules)
Qcell (modules)
Canadian Solar (modules)
REC Solar (modules)
Hyundai Energy Solutions (modules)
Ironridge (racking)
K2 Systems (racking)

Associated financing companies

Go Green (www.gogreenfinancing.com)
Energy Loan Network (www.energyloannetwork.com)

Associated installers

CleanTech Energy Solutions, Inc.

Warranties & Certifications

Workmanship Warranty

*10-yr PV/Storage Installation Workmanship - all equipment carries the manufacturer's ltd. warranties which range from 10-15 yrs (batteries, inverters) to 25-30 yrs (PV panels, inverters) . We offer an optional 30-yr warranty for labor/parts/equipment/roof penetrations - transferable to all subsequent owners.

Licenses

CA Lic - # 910460 (C-46 Solar Contractor)

Insurance

Worker's Comp
General Liability

Certifications

NABCEP - PV Technical Sales (Cert # PVST-20110129)

Industry Certifications

Manufacturer Certifications

What Customers Are Saying

Ratings & Reviews

Ratings & Reviews

5.0

2 reviews

5.0

Average Rating 2 review(s)

Response

Quality

Value

Service

Leave a Review

Perfect Experience!

Amazing Company! Flawless installation, they started Tuesday and we got to go from SDG&E on Friday noon. That means less than 4 days! Most important: they LISTENED! Karin was very knowledgeable, honest and to the point at the initial interview. Fair pricing, knowledgeable staff, very reliable. Exceptional customer service. We’ve had our PV System now for about 1.5 years and no issues whatsoever. Would go with them again without a second thought! Highly recommend!

sandraegler6 on Mar 07, 2021

Flawless Solar Electric System Since December 2013

I use Clean Tech for both my Solar Electricity and Solar Pool Water Heating. In fact, I have enjoyed a Clean Tech Solar Pool System since ~2000. In 2013 Clean Tech reconfigured the Solar Pool System to accommodate our desire to install a Solar Electricity system. Clean Tech rose to the challenge when I asked for design aesthetics to preserve the 'original build' look of our home. Being very knowledgeable of building code requirements and skilled in solar system installations, our solar system installation pasted the building inspection on the first appointment. Bottom line is, we have not paid an electricity bill since going live. At this point, cost recovery of the solar electricity system is on schedule to finish in 7 years. A solar electricity system is well worth the money, and Clean Tech should be on your 'short list' of contractors to consider.