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SolarUnion

4.6

About this business

Quality focused solar contractor. No matter where you live, from San Diego to Sacramento, or beyond, SolarUnion stands ready to serve, providing the utmost care and personalized attention for every one of our customers. 

Location details

1700 Montgomery St Suite 108, Ste 108, San Francisco, CA, 94111, United States

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4.6146 reviews
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Katherine Chu's profile image
Katherine Chu 
on Google
a month ago

We signed a contract for the installation of solar panels with SolarUnion in March/April 2023. In July 2024, we received an email with a unilateral cancellation of our contract. We had to contact them to determine what happened. Per their admissions on phone and email, they failed to submit our permit application and so they also failed to secure the NEM 2.0 rate, which is more favorable than the NEM 3.0 rate. Per their email: "I am sorry to be the bearer of bad news, but after conferring with all pertinent parties I regret ... read more

Warren Jones's profile image
Warren Jones 
on Google
a month ago

The technical team did a great job getting our inverter back online, following the Tigo CCA failure. I reported the failure approximately 2 months ago. Multiple messages and escalations were needed to get the team's assistance. 

Simon Bertrang's profile image
Simon Bertrang 
on Google
2 months ago

We were very pleased with the installation and are very much enjoying having a mini-solar plant on our roof. It's a big job to do all the design, the permits, the install, and the interconnection. Nice work all around Solar Union! 

Brian Cibula's profile image
Brian Cibula 
on Google
3 months ago

Update - I am still waiting for a transformer upgrade and we're at over a year and a half since the install, and PG&E is saying it won't be until April 2025, nearly 2 years since I first started this project. SolarUnion also came out after I had to figure out there is a way to potentially use the SolarEdge inverter to limit the amount of power going out to the grid (supposedly this is supposed to work). Goes to show they don't even know how their systems work. That was September 2024, and I still have not seen any sort of re... read more

Marco Gonzalez-Navarro's profile image
Marco Gonzalez-Navarro 
on Google
4 months ago

SolarUnion installed a 6 KWh system with battery backup in East Bay for us under NEM 3.0. The whole process took about 6 months. They took care of designing system, getting permits with city, working with PGE, and getting everything connected. The installers were excellent and also installed the EV charger and changed the house main panel to upgrade electrical service to 200 AMP. They respected the contract terms and I expect them to be around for the 10 year battery warranty and 25 year solar panel warranty in case anything... read more

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Frequently asked questions about SolarUnion

How is SolarUnion rated?

SolarUnion has a 4.6 star rating with 146 reviews. 

When is SolarUnion open?

SolarUnion is open now. It is open 24/7. 

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