California Solar Electric Cooperative

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California Solar Electric Cooperative Solar Energy Solutions for home, business and off-grid. Locally owned and operated since 2000. Autho We are YOUR local solar experts!

California Solar designs, installs and services solar energy systems. No other local solar company comes close to the professionalism of our team. We are dedicated to offering our customers the highest quality solar solutions. Founded in 2000, California Solar has installed some of California’s first grid-tied solar systems and some of the most unique commercial solar systems in the country. As Nevada County’s first SunPower Elite Dealer, California Solar’s installers are hand-picked for exceptionally high quality work, proven experience, and best installation practices. California Solar provides excellent design, installation and solar energy service for residential solar or commercial solar energy systems. Our staff is made up of more journeyman electricians than any other local solar company. In addition, all members of our design staff are registered with the CSLB as Home Improvement Salespersons (HIS) in the state of California. Finally, we are committed to the economic vitality of our community and believe in hiring local. Our entire staff resides in Nevada County. You might even see them at the grocery store, little league game or out mountain biking on the trails every weekend.

More homeowners in our community are asking the same question: Is battery storage worth adding to my solar system?For so...
11/12/2026

More homeowners in our community are asking the same question: Is battery storage worth adding to my solar system?

For some, it's about keeping the lights on during an outage. For others, it's about using more of their own solar energy and relying less on the grid.

There's no single answer that works for everyone. What matters is finding a solution that fits your home, your lifestyle, and your priorities.

We're always happy to help our neighbors explore what's possible.

Let's Talk Battery Storage!

https://www.cal-solar.coop/quote/

Your solar system works hard for your home every day. But how do you know it's performing the way it should?We know how ...
11/10/2026

Your solar system works hard for your home every day. But how do you know it's performing the way it should?

We know how important it is to get the most from the energy we produce. Over time, equipment issues or changes in production can affect your system without you even noticing.

We're here to help our neighbors keep their solar systems working for the long haul.
Let's Make Sure Your Solar Is Working for You!

https://www.cal-solar.coop/system-check-repair

Wishing You a Spooktacular Halloween! The only thing scarier than ghosts and goblins? An unexpected energy bill!From all...
10/31/2026

Wishing You a Spooktacular Halloween!

The only thing scarier than ghosts and goblins? An unexpected energy bill!

From all of us at Cal-Solar, we wish you a Halloween filled with treats, not tricks!

Happy Halloween!

Need more energy? Adding more panels isn’t always the first answer.If your electricity use has increased, it’s worth loo...
10/30/2026

Need more energy? Adding more panels isn’t always the first answer.

If your electricity use has increased, it’s worth looking at the entire picture first. Your existing solar production, household consumption, rate plan, battery options, and future energy needs can all play a role.

The goal isn’t simply more solar. It’s a smarter home energy system.

Let’s Chat: https://www.cal-solar.coop/quote/

Your generator is your backup plan. Make sure it’s ready before you need it.A standby generator can sit quietly for mont...
10/29/2026

Your generator is your backup plan. Make sure it’s ready before you need it.

A standby generator can sit quietly for months, but when an outage hits, you expect it to start and keep your home powered.

Routine maintenance helps keep your generator reliable, identify potential issues early, and ensure it’s prepared when the grid goes down.

Don’t wait for an outage to find out something isn’t working.

Keep Your Backup Power Ready.https://www.cal-solar.coop/generator-maintenance

Cleaning Up Our Community, TogetherWe are proud to have participated in the 2026 SYRCL Cleanup, rolling up our sleeves t...
10/28/2026

Cleaning Up Our Community, Together

We are proud to have participated in the 2026 SYRCL Cleanup, rolling up our sleeves to pick up trash, remove graffiti, and help care for the community we call home.

For us, supporting a cleaner, healthier community goes beyond renewable energy. It means getting out there, working alongside our neighbors, and caring for the environment right here at home.

A big thank you to SYRCL and everyone who came out and helped make a difference. We’re proud to be part of a community that takes action to protect the places we live, work, and enjoy.

Built for This Moment / National Co-op Month 2026October is National Co-op Month, and this year's theme, “Built for This...
10/27/2026

Built for This Moment / National Co-op Month 2026

October is National Co-op Month, and this year's theme, “Built for This Moment,” feels especially relevant to who we are at Cal-Solar.

For over 25 years, we've been helping our communities take control of their energy. As a worker-owned cooperative and Certified B Corporation, we believe the way a business operates matters just as much as the work it delivers.

What does worker ownership mean for our customers and community?

Long-term accountability. We see every solar installation as the beginning of a 25-year relationship, not just a completed project. Our commitment extends well beyond installation day.

An owner's mindset. Our worker-owners have a personal stake in the quality of our work and the long-term success of the business. The people building your system are also helping shape the future of the company standing behind it.

A stronger local economy. Our cooperative model keeps ownership rooted in our workforce, supports local livelihoods, and allows us to invest in the communities we serve.

With more than 6,000 systems installed, we've learned that resilience is about more than energy independence. It's also about building businesses, relationships, and communities that last.

That's what being a cooperative means to us, and why we're proud to celebrate National Co-op Month.

Learn more about the cooperative movement:
https://www.coopmonth.coop/about

Planning to make your next vehicle electric? Think about how you’ll charge it before it arrives.Adding an EV can signifi...
10/25/2026

Planning to make your next vehicle electric? Think about how you’ll charge it before it arrives.

Adding an EV can significantly change how and when your household uses electricity. Planning your home charging setup alongside your solar and energy needs can help create a system that works together.

Your home is an energy system. Solar, Storage, EV charging, and future electrical loads should be planned together.

Explore EV Charging Solutions:https://www.cal-solar.coop/ev-charger

124 Contracts. Two Weeks. One Determined Team.When the world shut down in 2020, we were gearing up for one of the bigges...
10/23/2026

124 Contracts. Two Weeks. One Determined Team.

When the world shut down in 2020, we were gearing up for one of the biggest challenges in our history.

With battery storage demand skyrocketing, supply chain delays, and a small but dedicated crew, our worker-owners came together to make it happen.

Our latest blog takes you behind the scenes of the 2020 SGIP rush and shares how teamwork, adaptability, and a commitment to our community helped us navigate an unprecedented time.

Learn More: https://www.cal-solar.coop/blog/idvwdivkrgflrwv0vx4q76b0zwholg

Ever wonder what happens to the solar energy your home produces?During the day, your panels generate electricity that ca...
10/19/2026

Ever wonder what happens to the solar energy your home produces?

During the day, your panels generate electricity that can power your home. Depending on your system, excess energy may be sent to the grid or stored in a battery for later use.

Understanding where your energy goes is the first step toward getting more from your solar system.

Want more control over your home energy?

Explore Your Options:https://www.cal-solar.coop/quote/

Address

149 E Main Street
Grass Valley, CA
95945

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+15302743671

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