Commercial Solar

Commercial Solar

We install solar at commercial and industrial sites, which are ideally suited for solar given their large energy use and expansive roofs and property. We also develop large ground mount solar power plants at farms/ranches or for connection to the Utility Grid. Please see our project page for more information!

Residential Solar + Storage

Residential Solar

We build solar projects for homeowners and residential properties! Please check out our project gallery below to see some of our recent projects. We can build one for you!

what is sustainability?

balancing local and global efforts to meet basic human needs without destroying or degrading the natural environment

cool facts about solar


we want more solar

surveys say that nine out of ten Americans think the United States should develop and use more solar energy


solar growth

In early 2019, the U.S. surpassed 2 million solar system installations. This milestone comes just three years after the industry completed its 1 millionth installation, a feat that took 40 years to accomplish. Most notably, the industry is projected to hit 4 million installations in 2023, illustrating solar’s rapid pace as the fastest-growing energy resource in the world.


solar energy is abundant

though the sun is 90 million miles from the earth, it takes less than 10 minutes for light to travel such a great distance

why cool earth?

we believe everyone should have affordable and abundant energy from a clean renewable source

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Solar Equipment

We only use the best solar equipment available on the market for our projects. We proudly use SunPower solar modules.

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Engineering and Design

All engineering and design services are performed by professional licensed engineers. Electrical Engineering is at the heart of our solar power plants, and it is performed 100% by the Cool Earth team.

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Quality Construction

We take pride in our construction projects. Quality construction work delivers a solar plant that performs well and lasts for over 25 years. All construction work is performed by the Cool Earth team of professionals.

Screen Shot 2020-09-14 at 4.31.50 PMMonitoring and O&M

Once a significant investment has been made to install a solar plant, it is important to monitor its performance and validate the significant financial benefits. Proper operation and maintenance ensure reliable production and long life of a solar plant.

battery storage

Energy Storage

Take control of your future and protect yourself from utility outages. 

cool earth solar community


number of new team members added in 2021, and we are still hiring!


number of solar canopies in our largest carport project

Rob Lamkin

Rob Lamkin

Rebekah Armstrong

Manager, Operations
Rebekah for Web


Manager, Construction

Joshua Armstrong

Manager, Residential Sales

Rishi Narain

Manager, Project
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Cool Earth Solar's Residential Department Advances to “Elite Dealer” Status Within SunPower Tier of Excellence.
Cool Earth Solar Wins SunPower 2019 “Regional Intelegant” Award for Commercial Solar Installation
Cool Earth Solar Completes SunPower System for Biotechnology Company, ATUM
Cool Earth Solar Honored with SunPower 2018 “Commercial National Dealer of the Year” Award
Cool Earth Solar Completes SunPower® Helix™ Carport System
196 Kilowatt SunPower System Expected to Save 580 Executive Center $2.7 Million in Electric Bills Over 25 Years
Cool Earth Solar Completes Rooftop Solar Power System at Valley Christian Center
340-Kilowatt​ ​SunPower​ ​System​ ​Expected​ ​to​ ​Save​ ​Valley​ ​Christian​ ​Center​ ​$2.98​ ​Million
Toyota Vallejo thrilled with solar, LED project
One of the 108 new LED light panels installed at Toyota Vallejo can be seen above the main entrance. The new lights plus new solar panels installed on the business’ roof are lowering energy costs for the car dealership.
Weekend Business Report
Cool Earth Solar was featured by solar module manufacturer Solar Frontier in it's recent news report.
Ribbon-Cutting at All American Label
On Wednesday August 13th, US Congressman Eric Swalwell and Cool Earth Solar president Rob Lamkin were on hand to help All American Label owner Brad Brown dedicate a Cool Earth Solar PV installation at a ribbon-cutting ceremony at All American Label headquarters in Dublin, California.
Tech Boom
High quality of life, lower rents, and a brilliant workforce are luring start-ups to the east bay. Meet the fearless pioneers who are staking their claim.

cool earth solar in the news