Business Details
22 Years
experience
Your Local Solar Power Experts in Grass Valley, CA
Sustainable Energy Group has been a locally owned and operated solar and backup power company serving Northern California since 2004. Our team of experienced professionals specializes in designing and installing high-performance solar energy systems, battery backup solutions, and energy-efficient technologies for residential, commercial, and nonprofit clients. We pride ourselves on delivering exceptional customer service, backed by a 25-year parts and labor warranty, and maintaining a commitment to sustainability through our Sierra Foothills community initiatives. Our expertise spans solar panel installations, generator integration, EV charging stations, and roofing projects, with a focus on maximizing energy savings and system longevity. As a multi-licensed contractor, we combine technical knowledge with state-of-the-art technology to create visually appealing and efficient solar solutions.Our local presence ensures personalized service, while our 19-year track record of zero roof leaks demonstrates our commitment to quality craftsmanship. We prioritize transparent communication, avoiding sales gimmicks, and provide ongoing system monitoring to optimize performance. Our mission empowers communities to achieve sustainability through renewable energy, water efficiency, and collaborative planning processes. With installations across Nevada County, Yuba, El Dorado, Placer, Auburn, Roseville, and Sacramento, we remain dedicated to advancing clean energy solutions for future generations.
Services
Residential Solar
Commercial Solar
Battery Backup Systems
Roofing + Solar
Non-Profit Solar
Off-Grid Solar
EV Charging Stations
Energy Audits
Generator Integration
Solar Maintenance
Details
- Year established: 2004
Highlights and features
- We offer 25-year parts and labor warranties on all installations
- Our team includes NABCEP-certified installers and licensed contractors
- We've completed over 1,000 solar installations since 2004
- We provide ongoing system monitoring and performance optimization
- Our energy audits identify customized efficiency and savings opportunities
Associations and certifications
- CSL #868816
What people say
Excellent service
Stellar expertise
Professional installation
Energy savings exceeded expectations
Prompt communication
Services
Residential Solar
Our residential solar solutions transform homes into energy-efficient powerhouses. We design customized photovoltaic systems that reduce utility bills while maintaining aesthetic appeal. With premium equipment selection and precision installation techniques, homeowners benefit from reliable clean energy production and increased property value. Our systems integrate seamlessly with existing electrical infrastructure while meeting local building codes and utility requirements.
Battery Backup Systems
Battery backup systems ensure uninterrupted power during grid outages. We install advanced lithium-ion storage solutions that work in tandem with solar panels for complete energy independence. Our engineers optimize storage capacity based on household energy consumption patterns, providing peace of mind during emergencies while maximizing self-consumption of solar-generated electricity.
Commercial Solar
Our commercial solar installations deliver significant cost savings for businesses of all sizes. We handle complex permitting processes and design scalable systems tailored to commercial energy demands. From small storefronts to large industrial facilities, our solutions reduce operating expenses while demonstrating environmental responsibility through measurable carbon footprint reduction.
Energy Audits
Comprehensive energy audits identify opportunities for improved efficiency and cost savings. Our certified professionals use thermal imaging and diagnostic tools to assess building performance, providing detailed recommendations for optimizing energy consumption. This data-driven approach ensures solar systems are appropriately sized while uncovering additional efficiency measures that enhance overall savings.
Roofing + Solar
Our combined roofing and solar installations ensure structural integrity while maximizing energy production. We coordinate roof replacements with solar panel mounting to avoid future system removal costs. Using premium roofing materials and custom flashings, we create watertight installations that protect properties for decades while maintaining optimal solar panel performance.
People
Brian Gardner
Owner
With 20+ years in construction and 15 in green energy, Brian transitioned from energy efficiency upgrades to solar expertise. He specializes in integrating solar systems with home energy solutions, focusing on battery and generator compatibility while maintaining industry-leading technical knowledge.
Joe Nelson
Lead Electrician
Licensed C-46 and C-10 contractor with 9 years at SEG. Former solar thermal specialist from southern California, bringing extensive experience in complex system installations and project management for residential and commercial solar projects.
Dave Stokes
Lead Contractor
Electrical engineering graduate with 40+ years in construction. Licensed General (B), Electrical (C10), and Plumbing (C36) contractor in California. Specializes in system design and technical implementation of complex solar energy solutions.
Brian Bookout
PV Foreman
NABCEP-certified installer with 18 years in solar. Expertise in on-grid, off-grid, and microgrid systems. Holds certifications for major inverter brands and specializes in system integration with generators and home efficiency upgrades.
Josh McCoy
Operations Manager
5 years of solar experience combined with 15 years in construction. Certified installer for multiple solar and backup power systems. Focuses on operational efficiency and technical implementation of residential and commercial energy solutions.
Questions
What solar services do you offer for homeowners?
We provide complete residential solar solutions including system design, permitting, installation, and ongoing maintenance. Our services include energy audits, battery backup integration, and EV charging station installations.
Do you offer commercial solar solutions?
Yes, we design and install customized commercial solar systems for businesses of all sizes, including energy storage solutions and grid-tied systems that reduce operating costs and improve sustainability.
What areas do you serve?
We serve Grass Valley, Nevada City, Sacramento, and surrounding counties including Nevada, Yuba, El Dorado, and Placer. Our service area covers all of Northern California.
What warranties do you provide?
We offer a 25-year parts and labor warranty on all solar installations, the longest in the industry, covering equipment, workmanship, and system performance guarantees.
Can you help with financing options?
Yes, we offer various financing solutions including solar loans, leases, and assistance with tax credits and utility rebates to make solar energy accessible and affordable.
How long does installation take?
Most residential installations complete within 2-4 weeks after permitting. Commercial projects vary by size but typically finish within 60-90 days with minimal business disruption.
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