Allterra Solar
About Allterra Solar
Allterra Solar is a locally owned solar installation company serving Carmel, CA, offering high-quality solar panel solutions for both residential and commercial clients. They specialize in custom solar designs tailored to the unique climate and regulations of the area, ensuring optimal energy efficiency and savings. Their services include solar panel installation, battery storage systems, and EV charging station installations, all backed by years of local expertise and a commitment to sustainable energy solutions.
5 years in business
Services
Battery Backup Add-On
Add a Tesla Powerwall or Enphase battery to your existing solar array.
Starting at $12000
Solar Panel Installation
Grid-tied residential solar system design, permits, and installation.
Starting at $5000 / visit
System Inspection & Cleaning
Annual panel cleaning, wiring check, and production verification.
Starting at $300
Location
28012 Mesa De Tierra
Carmel, CA 93908
Hours of Operation
Services Offered
Battery Backup Add-On
Add a Tesla Powerwall or Enphase battery to your existing solar array.
$12,000
starting at
Solar Panel Installation
Grid-tied residential solar system design, permits, and installation.
$5,000
starting at
System Inspection & Cleaning
Annual panel cleaning, wiring check, and production verification.
$300
starting at
Reviews
4.7
6 reviews
6 reviews
Karen L.
Found this business through a neighbor recommendation and now I understand why she raved about them. Professional from start to finish.
5 people found this helpful
Response from Allterra Solar
Referrals from neighbors are the best compliment we can receive. Thank you Karen!
Nancy G.
Happy with the outcome. Communication was good throughout and they addressed a small issue I pointed out without any pushback. Will recommend to friends.
3 people found this helpful
Tom W.
Solid work at a fair price. They did not try to upsell me on things I did not need. The job was done clean and they cleaned up before leaving.
2 people found this helpful
Response from Allterra Solar
Tom, that is exactly how we try to operate. Honest straightforward service every time.
Linda C.
Second time using this company and both experiences have been great. Consistent quality and the team is always courteous and easy to work with.
5 people found this helpful
Response from Allterra Solar
Thank you for trusting us again Linda! Repeat customers mean the world to us.
Steve F.
They responded quickly, arrived when promised, and knocked out the job efficiently. No drama, no delays. Exactly what you want from a contractor.
6 people found this helpful
Response from Allterra Solar
Steve, fast and professional is what we strive for every single job. Thank you!
Robert M.
Called this company for a repair I had been putting off and they exceeded my expectations. Showed up on time, explained everything, and the price matched the quote.
1 person found this helpful
Response from Allterra Solar
Thank you Robert! We always aim to be upfront and reliable for our customers.
Location
Carmel, CA 93908
Frequently Asked Questions
Last updated April 2026
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