Professional and dependable electrical contractor

we specialize in renewable energy

The T&T ELECTRIC, INC. Team has over 100MW of installed capacity of alternative energy technologies. These projects have taken Team members to project destinations around the world from Hawaii, Guam, Saipan, American Samoa, the Philippines, Japan, Dubai, Spain and Papua New Guinea. They have spanned the spectrum of Wind, PV, ESS and CSP.

Along with experience in Engineering, Procurement and Construction, T&T ELECTRIC, INC. is a firm believer in professional Operations and Maintenance Services. They have been involved with PV O&M as well as an on-going contract with Apollo Energy’s 21 MW wind farm for the past 9 years. Scope of the O&M covers the 69 kV substation and tie line to the local utility, medium voltage transformers for each of the (14) 1.5 MW turbines.

With a firm grasp of cutting edge technology, T&T ELECTRIC, INC. still understands that it all comes down to CUSTOMER SERVICE WITH INTEGRITY, and that which has been around longer than they have....ELECTRONS, and how to use them efficiently for their customers.  

T&T ELECTRIC, INC. is an EPCO (Engineering, Procurement, Construction, Operations / Maintenance) entity and has been in business for 35 years serving the Pacific States, Territories and Countries abroad

Leonard S. Tanaka, President & CEO

Leonard Tanaka President and CEO T&T ELECTRIC, INC. TEAM Leonard Tanaka and Wife / Partner, Suellen Tanaka started the company in 1983. With over 40 years in the Electrical and Energy fields he brings a wealth of experience in energy efficiency, renewable energy and power.

He is licensed in Hawaii, Guam and American Samoa and recently operating in the Philippines. Mr. Tanaka received his Electrical Science Technology certificate from the University of Hawaii at Hilo in 1976. He obtained the “B” General Building Contractors license in 1993 along with C−17, C−31A and C−3 as well as “A” General Engineering Contractors license.

Mr. Tanaka has an extensive background in all phases of electrical design, construction, maintenance and repairs on residential, commercial, industrial, utility and institutional systems. He is also experienced in pole and line construction, energy management, power generation, energy efficiency, renewable energy, energy storage, data / telecommunications / fiber optics.

*Federally certified Construction Quality Manager  


Leonard S. Tanaka

Suellen Tanaka, Vice President

Suellen Tanaka is the Vice President of T&T ELECTRIC with a background in banking and public relations. She oversees human resources and the accounting department as the Office Manager.

Leonard and Suellen were selected by the U.S. Small Business Administration as “Small Business Persons of the Year” in 1992. Their recognition as “Small Business Persons of the Year” included both the State of Hawaii and Region IX, which includes the western United States and Guam.

In addition to her corporate responsibilities, Suellen has been and continues to give back to the community, having served on Boards with the American Red Cross, Salvation Army and the Church of Jesus Christ of Latter Day Saints. 

Suellen M. Tanaka

Other Staff

Thomas Raffipiy, General Manager

Tom Raffipiy is General Manager of T&T ELECTRIC. He graduated top in his class U.S. Army Engineer School - Fort Leonardwood, Missouri in 1988. Earned his BBA Degree in Business Administration, University of Hawaii at Hilo. Took graduate courses in Engineering Management at Kennedy-Western University. Thirty-three  (33) years of experience with the U.S. Army, 21 years with the Army Engineer Corps as a Construction Supervisor.

Experience includes numerous Vertical Construction, Steel Frame Building, Civil Infrastructure Work, Road and Highway Construction, Overhead and Underground Utilities, Runway Repair, Commercial and Shopping Center Construction. Done work in East Asia, Middle East, South and Central Pacific, and Hawaii.

Since his employment with T&T ELECTRIC, Raffipiy has managed over 100 projects ranging in scope from alternative energy, electrical retrofit and upgrades, traffic signals, utility infrastructure upgrades, fiber optic wide area networks to multi-million dollar new construction projects.

Thomas Raffipiy

Ben Kobayashi, Lead Estimator

Ben Kobayashi is a Licensed Electrical Contractor, Supervising Electrician with 33 years experience. Projects supervised include: Safeway Kona, Keahole Terminal Improvements PH I & III, Tripler Hospital Library Renovations, Kauai Community College Energy Management Retrofit, Honolulu Community College Energy Management Retrofit, Waiakea Shopping Center and Home Depot Kona. He currently operates out of our office in Lihue, Kauai responsible for all major commercial, industrial and institutional estimating.

Ben Kobayashi

Kip Dopp, Senior Project Engineer 

Kip Dopp is a Senior Project Engineer with over 27 years of experience in the field of Alternative Energy. He has a B.S. in Physics and a Master’s Degree in Engineering Administration from the University of Utah. Dopp worked for Rockwell International as an Industrial Engineer.

He founded Lichen Research Center and developed a Solar Heliostat system that won two State of Wyoming SBIR Grants. Dopp spent 8 years as the Product Development Manager at a Hawaii-based solar technology startup company developing Solar Parabolic Trough.

His designs and products has received several patents including recognition for Concentrated Solar Collectors and Drive Systems with Tracking Algorithms. He traveled to Papua New Guinea, Dubai, and Spain developing, installing and supporting installations. He recently has done Solar Contract Work in Japan for Toshiba and Hitachi for Solar installations there.

Rodel Arada, Project Engineer/Philippines

Rodel Arada is a Project Engineer for T&T Electric. He has a B.S. in Electrical Engineering and is a Registered Electrical Engineer (REE). He was part of the design and construction of the ADI 2.5MW PV Power Plant. Arada is President and CEO of WYN Power Corporation. He has been General Manager of IBAAN Electric and a Project Manager for JSG Construction Co.

Arada has vast experience in High Voltage design and construction. His understanding of utility scale projects is of great value especially in Interconnect design and implementation. With experience in high voltage Inverter, Switchyard, and Substation engineering he understands the needs of utility scale project design and construction.

Howard Afualo, Island Manager/American Samoa

Mr. Afualo experience includes managing All Pro Commercial Cleaners in Apia. He was a corporate recruiter for Freeman Guards, Inc. in Hawaii. Managing Director for Pioneer Trucking & Construction in Nuku’alofa. Operations Manager for Pioneer Enterprises. Transportation Supervisor for Polynesian Cultural Center in Hawaii. Accounts Analyst for Discover Card in Utah.

Mr. Afualo has a Bachelor of Science Degree in International Business Management from Brigham Young University Hawaii. He is a licensed local contractor with 20+ years of entrepreneurial and business management experience. His reputation for quality work and customer satisfaction is his asset. An entrepreneur with a reputation for quality work and excellent customer skills; a hallmark of his business work history.

Community Service

We here at T&T Electric believe in improving the lives around that affect us and giving back to the community. That is why for the past 36 years we have been the official electrical contractor for the Merrie Monarch Festival and we are proud to be helping again this year.

We are also deeply involved with the Hilo community where we light up the town with light for the Christmas season.