Business Details
Renewable Energy Solutions for California Businesses
CalSolarInc Inc. is a market-leading engineering and construction company dedicated to delivering renewable energy solutions for existing buildings and new construction projects throughout California. Our experienced in-house team of designers, engineers, and installers self-performs solar PV, thermal, energy storage, and EV charging solutions of any size. With 500+ completed large-scale renewable energy projects and operations across 13 California utility territories, we provide end-to-end services from site evaluation through maintenance. Our expertise in Title 24 California Solar Mandate compliance, combined with established partnerships with developers and end-users, positions us as the go-to resource for reliable, full-service renewable energy solutions.We specialize in new construction development, building retrofits, EPC contracting, and project financing while maintaining a commitment to safety, quality, and client satisfaction. Our teams excel in trade coordination and dynamic scheduling, enabling last-minute changes without change orders. With offices in Los Angeles, Oakland, and San Diego, we deliver turnkey solutions that optimize NOI via tenant billing and solar hosting payments while meeting environmental goals and sustainability targets.
Services
Solar PV Systems
Solar Hot Water
EV Charging Stations
Energy Storage
Permitting Services
Building Retrofits
EPC Contracting
Project Financing
Highlights and features
- We have completed 500+ large-scale renewable energy projects across California.
- Our in-house construction crews enable dynamic scheduling without change orders.
- We specialize in Title 24 California Solar Mandate compliance solutions.
- Our team includes 30+ in-house designers, engineers, and technical specialists.
- We operate across 13 California utility territories with proven permitting expertise.
What people say
Exceptional installation professionals
Validated our decision
Delivered as expected
Deep expertise
Seamless experience
Services
Solar PV Systems
Our solar PV systems reduce electricity costs and prepare properties for Title 24 California Solar Mandate requirements. We design and install customized canopy, ground mount, and rooftop solutions that maximize energy savings while complying with state and local regulations. Clients benefit from reduced utility bills, increased property value, and environmental compliance through our 500+ completed projects across 13 utility territories.
Solar Hot Water
Our solar thermal solutions boost Title 24 compliance margins while reducing gas expenses by 50-70%. We install indirect closed-loop antifreeze systems suitable for commercial and residential applications in all climates. Clients achieve energy code compliance, lower water heating costs, and meet sustainability goals through our engineers' expertise in California's renewable energy requirements.
Energy Storage
Our battery storage solutions reduce demand charges and maximize solar energy value by storing power for peak usage times. Systems meet Title 24 requirements and provide backup power during outages. Clients benefit from grid independence, investment tax credits under the Inflation Reduction Act, and optimized energy management through our experience with 200+ prevailing wage projects.
EV Charging
We install EV charging stations that generate revenue and future-proof commercial and residential properties. Our solutions comply with 2022 CALGreen requirements while minimizing electrical infrastructure costs. Clients attract tenants, earn additional income, and meet updated building codes through our expertise in electrifying parking lots across California.
Permitting Services
Our team secures timely permits for renewable energy projects across 100+ California building departments. We specialize in Title 24 California Solar Mandate compliance and early-stage design consultations. Clients benefit from streamlined approvals, cost-effective solutions, and our engineers' experience with 600+ engineered plansets and utility coordination.
People
Sean Neman
CEO
Entrepreneur and CEO in renewables since 2008, executed $150MM in projects while maintaining safety and quality standards. Leads company growth through strategic vision and operational excellence in energy efficiency construction.
Jason Mrozek
Executive Vice President
20+ years delivering large-scale construction projects. Oversees business operations, stakeholder collaboration, and innovative solutions that unite efforts across departments while ensuring successful client outcomes through streamlined processes and industry expertise.
Will Chen
Director of Engineering
Licensed Professional Engineer since 2009, leads 10-member engineering team. Responsible for 600+ engineered plansets and approvals from 100+ California AHJs. Specializes in renewable energy system design and technical coordination.
Kris Wallin
Director of Sales & Marketing
12-year renewable energy veteran specializing in PV, energy storage, and grid services. Builds strategic partnerships with industry stakeholders including DOE, CEC, and utility companies while driving business development and community engagement initiatives.
Flint Liu
Director of Estimating
Renewable energy construction expert since 2015, leads estimating and interconnection teams. Specializes in cost-effective system design, utility rate analysis, and optimizing ROI through precise budget alignment and expedited utility approvals.
Questions
What renewable energy solutions do you offer?
We provide solar PV, hot water systems, energy storage, EV charging, and comprehensive permitting services for California commercial, multifamily, and public sector clients.
Do you serve areas outside Southern California?
Yes, we operate across 13 California utility territories with offices in Los Angeles, Oakland, and San Diego, serving clients statewide.
How long does a typical project take?
Project timelines vary by scope, but our in-house crews enable dynamic scheduling and timely completion through streamlined trade coordination and permitting expertise.
Can you help with Title 24 compliance?
Yes, we specialize in Title 24 California Solar Mandate compliance, offering early design consultations and solutions that meet current and future energy code requirements.
Do you offer financing options?
Yes, we help clients identify optimal financing solutions for their renewable energy projects, including investment tax credits under the Inflation Reduction Act.