Business Details
43 Years
experience
Electrical & Renewable Energy Solutions in Hilo
T & T Electric has been delivering comprehensive electrical and renewable energy solutions across the Pacific region for 38 years. As a licensed General Engineering, General Building, and Specialty Contractor, we specialize in Engineering, Procurement, Construction, and Operations/Maintenance services for commercial, industrial, institutional, governmental, utility, and telecommunications clients. Our team has successfully completed over 145 MW of alternative energy projects spanning wind, solar, geothermal, and energy storage technologies in six countries. We maintain long-term operations and maintenance contracts, including a 21 MW wind farm, and have rebuilt critical geothermal infrastructure damaged by natural disasters. Our expertise extends to cutting-edge technologies while prioritizing customer service with integrity.Founded by Leonard Tanaka, our leadership combines decades of technical proficiency with community-focused values, evidenced by our BBB A+ rating and Small Business Person of the Year recognition. We serve Hawaii, Guam, American Samoa, and international markets through offices in multiple Pacific locations. Our commitment to quality is demonstrated through federal certifications and partnerships with industry leaders like BayWa r.e. Power Solutions. We approach every project with a focus on sustainable solutions that balance technological innovation with practical implementation. Our team's global experience ensures we meet diverse client needs while maintaining local market understanding in every region we serve.
Services
Electrical Services
Renewable Energy
Wind Energy
Solar Energy
Geothermal Energy
Energy Efficiency
Utility Infrastructure
Traffic Signal Systems
Operations & Maintenance
Carport Solar
Details
- Year established: 1983
Highlights and features
- 38 years of experience in electrical and renewable energy sectors
- Over 145 MW of installed renewable energy capacity across six countries
- Accredited by the Better Business Bureau with an A+ rating
- Experienced team with projects in Hawaii, Guam, American Samoa, and Asia-Pacific
- Comprehensive EPCO services from engineering to maintenance
Associations and certifications
- Better Business Bureau (BBB)
Services
Electrical Services
We provide comprehensive electrical contracting for commercial, industrial, and utility projects. Our services include design, installation, and maintenance of power systems, telecommunications infrastructure, and vertical construction. With 38 years of experience, we handle complex projects from initial engineering to final commissioning across the Pacific region.
Renewable Energy
Our renewable energy solutions cover wind, solar, and geothermal technologies. We develop utility-scale projects and implement energy storage systems to meet sustainability goals. With over 145 MW of installed capacity, we deliver tailored clean energy systems that reduce carbon footprints while maintaining grid reliability and cost efficiency.
Wind Energy
We design, install, and maintain wind energy systems for utility and commercial applications. Our expertise includes turbine installation, substation construction, and long-term operations management. We've completed projects like the 21 MW wind farm in Hawaii, providing sustainable power solutions that withstand tropical climate conditions.
Solar Energy
Our solar energy services include rooftop installations, carport systems, and utility-scale projects. We offer complete solutions from feasibility studies to system commissioning, with experience across Hawaii, Guam, and American Samoa. Our designs maximize energy production while meeting specific site requirements and regulatory standards.
Geothermal Energy
We specialize in geothermal power plant construction and substation infrastructure. Our recent projects include rebuilding a 38 MW geothermal plant damaged by volcanic activity and constructing a 48 MVA substation. We implement durable systems that provide consistent clean energy despite challenging geological conditions.
People
Leonard Tanaka
General Manager
Leonard Tanaka, General Manager, has over 40 years in electrical and energy fields. Licensed in Hawaii, Guam, and American Samoa, he leads with expertise in renewable energy and power systems. A graduate of the University of Hawaii, he holds multiple contractor licenses and focuses on quality service.
Suellen Tanaka
Office Manager
Suellen Tanaka manages accounting and HR with banking and PR background. Recognized as Small Business Person of the Year with her husband, she contributes to community boards including the American Red Cross and Salvation Army while overseeing business operations.
Thomas Raffipiy
Construction Management Consultant
Thomas Raffipiy brings 31 years construction management experience, including 26 with U.S. Army Engineer Corps. He oversees diverse projects from alternative energy systems to infrastructure upgrades, managing over 100 projects since joining T & T Electric with expertise in vertical construction and utilities.
Ben Kobayashi
Lead Estimator
Ben Kobayashi, Licensed Electrical Contractor with 33 years experience, specializes in commercial and industrial projects. He supervises major electrical upgrades and retrofits across Hawaii, managing all estimating for commercial, industrial, and institutional projects from the Kauai office.
Kip Dopp
Senior Project Engineer
Kip Dopp, Senior Project Engineer with 27 years in alternative energy, holds degrees in Physics and Engineering Administration. He developed patented solar technologies and managed international projects in Papua New Guinea, Dubai, and Japan, bringing technical innovation to renewable energy implementations.
Questions
What electrical services do you offer?
We provide commercial, industrial, and utility electrical services including design, installation, and maintenance of power systems, telecommunications infrastructure, and vertical construction projects across the Pacific region.
Do you work outside Hawaii?
Yes, we operate in Guam, American Samoa, Philippines, Japan, Dubai, Spain, and Papua New Guinea, with experience completing projects across six countries in the Pacific and Asia-Pacific regions.
Are you BBB accredited?
Yes, we maintain an A+ rating with the Better Business Bureau, demonstrating our commitment to ethical business practices and customer satisfaction through our 38-year history.
What renewable energy projects have you completed?
We've completed over 145 MW of renewable energy projects including wind farms, solar installations, and geothermal power plants, featuring the rebuilding of Hawaii's 38 MW geothermal plant and 21 MW wind farm operations.
