Business Details
Renewable Energy Engineering Experts
Founded with a vision to drive sustainable energy solutions, Sequoia Engineering & Design Associates has established itself as a leader in multi-disciplinary engineering and design services. Our expertise spans solar photovoltaic systems, battery energy storage, EV charging infrastructure, substation design, and advanced control systems, serving industrial, utility, and renewable energy sectors. With over three decades of collective experience, our team of licensed engineers delivers tailored solutions that optimize energy production, enhance system reliability, and reduce environmental impact. We prioritize long-term client partnerships, leveraging cutting-edge technology and rigorous engineering practices to meet evolving industry demands. Our commitment to innovation is reflected in our strategic consulting and R&D initiatives, which consistently produce cost-effective, sustainable outcomes.Headquartered in Walnut Creek, California, we adhere to the highest environmental standards while supporting communities through responsible engineering practices. Our culture fosters diversity, collaboration, and technical excellence, ensuring every project benefits from a multidisciplinary approach. From conceptual design to commissioning, we maintain strict quality control across power generation, transmission, and industrial systems. Recognized for our expertise in complex projects, we provide engineering procurement support, risk mitigation strategies, and customized equipment solutions. This unwavering dedication to safety, sustainability, and client satisfaction has positioned us as trusted advisors in the global energy transition.
Services
Solar PV Design
Battery Storage Systems
Substation Engineering
Control Systems
Power Distribution
Highlights and features
- We offer 30+ years of specialized engineering experience in renewable energy systems
- Our multidisciplinary team holds licenses in all major engineering disciplines
- We provide end-to-end project management from concept to commissioning
- Our R&D initiatives deliver cutting-edge analytical and facilitative methods
- We maintain strict adherence to environmental standards in California and beyond
Services
Solar PV & BESS
We specialize in comprehensive solar photovoltaic and battery energy storage solutions. Our services optimize energy production while ensuring reliable storage and distribution. From conceptualization to implementation, we deliver cutting-edge systems that maximize cost-effectiveness and environmental benefits. Our expertise includes stamped permit drawings, medium voltage interconnections, and SCADA solutions for utility-scale sites.
Substation Design
Our substation design services include detailed engineering studies, structural analysis, and control system implementation. We address complex challenges through PLS-CADD modeling, ETAP simulations, and protective device coordination. Our team provides complete solutions from initial design to field implementation, ensuring safe and efficient power delivery systems that meet modern grid requirements.
Instrumentation & Controls
With over 30 years of experience, we develop customized automation and control solutions for industrial applications. Our services cover plant automation, emergency shutdown systems, and SCADA design. We deliver SIL-rated safety systems and fiber optic networks that enhance operational efficiency while maintaining strict compliance with industry standards for power and process control systems.
Project Management
Our project management approach combines technical expertise with strategic oversight to ensure successful project execution. We provide comprehensive support from initial planning to commissioning, maintaining strict control over scope, cost, and quality. Our multidisciplinary team mitigates risks while delivering innovative solutions that align with client sustainability goals and industry best practices.
Power System Studies
We conduct comprehensive power system analyses including load flow, short circuit, and stability studies. Our services ensure optimal system performance through protective device coordination and arc flash analysis. These studies form the foundation for reliable power distribution designs that meet safety standards while maximizing system efficiency for industrial and utility applications.
People
Tarek Khoury
Principal Engineer
22 years of multi-disciplinary engineering experience with expertise in power systems and renewable energy projects. Registered in California, New York, and Massachusetts, he specializes in utility-scale renewable power and storage solutions.
Eli Yagor
Principal & Founder
34 years of electrical power systems expertise with global project management experience. Registered in five states, he specializes in industrial power distribution, utility systems, and control systems for oil & gas and institutional facilities.
Lakir Rambhia
Principal Engineer
13 years of renewable energy experience focusing on utility-scale solar PV and grid integration. Skilled in business development and engineering management for large-scale renewable infrastructure projects across North America and international markets.
Gary Carr
Electrical Engineer
40 years of diversified engineering experience across multiple industries including petroleum, power generation, and nuclear facilities. Specializes in electrical power system design and commissioning for complex industrial applications.
Marisa Zuzga
Project Manager
25 years of engineering project management experience with expertise in power generation and aerospace applications. Certified Project Management Professional with a background in clean energy system development for major industry clients.
Questions
What engineering services do you specialize in?
We specialize in solar PV systems, battery energy storage, substation design, power delivery systems, and industrial control solutions for renewable energy and utility applications.
Do you handle large-scale energy projects?
Yes, we manage utility-scale renewable energy projects from concept to commissioning, including grid integration, transmission systems, and energy storage solutions.
Are your engineers licensed professionals?
All our senior engineers are licensed professionals with registrations in multiple states, covering electrical, mechanical, and civil engineering disciplines.
How do you ensure project sustainability?
We incorporate environmental risk mitigation strategies and adhere to California's strict environmental standards while delivering energy-efficient solutions that exceed client sustainability goals.
What industries do you serve?
We serve energy producers, oil & gas companies, utility providers, independent power producers, and institutional clients requiring specialized engineering solutions.
Do you offer project management services?
Yes, our multidisciplinary team provides comprehensive project management including planning, risk mitigation, and execution oversight for complex engineering projects.
