Heavy-duty standby power systems built for commercial, industrial, and critical-facility applications across Hawai'i. As Generac's exclusive Industrial Dealer, we provide sizing, installation, and support for reliable backup power year-round.
Mobile Generators
Trailer-mounted and portable power units designed to deliver generator capacity wherever it's needed — job sites, events, or temporary facility power — across every island.
Rental Generators
Short- and long-term generator rentals for planned outages, emergency backup, or temporary power needs, backed by our 24/7 service and support team.
Automatic Transfer Switches (ATS)
Devices that automatically switch your facility from utility power to generator power during an outage, ensuring seamless, uninterrupted operation without manual intervention.
Controller
Remote Management
TX
PV
SHW Panel
BESS
EV
Generator
Utility
Battery Energy Storage Systems (BESS)
Scalable battery storage solutions that store excess solar or grid power for use during outages or peak demand, providing reliable backup and improved energy efficiency.
Remote Management
Cloud-based monitoring and control that lets you track generator, solar, and power system performance in real time from anywhere, with alerts for maintenance and outages.
Load Bank
Load bank testing verifies your generator can handle its full rated capacity under real-world conditions, ensuring reliability before an actual power outage occurs.
Solar & Renewable Energy Solutions
From battery storage to solar power systems, we design and maintain integrated renewable energy solutions that work seamlessly with your backup power system, helping you save on energy costs while staying prepared for any outage.
Photovoltaic Panels
Solar panel systems designed and installed to convert sunlight into clean, reliable energy for residential, commercial, and industrial properties across Hawai'i.
Batteries
Energy storage batteries that pair with solar and generator systems to store power for use during outages, peak demand, or off-grid operation.
Inverters
Devices that convert solar-generated DC power into usable AC power for your home or business, maximizing the efficiency and reliability of your solar system.
Solar Hot Water Panels & Tanks
Solar thermal systems that harness the sun's energy to heat water efficiently, reducing energy costs for residential and commercial properties.
Mounting Solutions
Durable, code-compliant mounting systems engineered to securely install solar panels on rooftops or ground mounts, built to withstand Hawai'i's island conditions.
SHW Tanks
Storage tanks designed to hold and insulate solar-heated water, ensuring a consistent hot water supply while maximizing solar thermal efficiency.
SolFlux Controllers
Advanced solar control systems that regulate and optimize energy flow between panels, batteries, and your home or business for maximum system performance.
EV Charging Stations
Installation and support for electric vehicle charging equipment, bringing reliable, convenient EV charging to homes, businesses, and fleets across the islands.
Solar Panel Cleaning
Professional cleaning services that remove dust, debris, and buildup from solar panels to maintain peak energy production and system efficiency.
Solar Panel Maintenance
Routine inspection and upkeep services that keep your solar system operating at optimal performance and help extend the life of your investment.
NABCEP PV Inspections
Certified solar system inspections performed to NABCEP standards, verifying safety, code compliance, and performance of your photovoltaic installation.
Recycling for Panels & Inverters
Responsible end-of-life recycling services for solar panels and inverters, helping properly dispose of and recover materials from retired equipment.
Services
We’re dedicated to maintaining your generator system – with a comprehensive inventory of parts and technicians available 24/7/365.
Generator & Power Systems has been the industrial dealer for Generac in Hawaii since 2016. Our team has 7 technicians factory trained in Milwaukee, Wisconsin. We are the engine warrantor for Isuzu, Shindaiwa, Echo, & Perkins. In 2021, Generator & Power Systems was acquired by The Solaray Corporation. The Solaray Corporation is our parent company and was established in Hawaii in 1975 doing business as Inter Island Solar Supply. We have been a 100% employee-owned company since 2013. As the Industrial Dealer for Generac we provide industrial generators, mobile generators, rental generators, and maintenance to all brand generators.
Our Advantage
Hawai’i’s Trusted Energy Partner for 50+ years
years of Proven Expertise
Local Knowledge, Islandwide Service
Certified Products & Technicians
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Emergency Support
Testimonials
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Generator & Power Systems displayed excellent customer service when determining what caused generator failure. GPS then ordered repair parts, connected rental generator, and performed repair all at our expedited timeline.
– Devon L Hostetler General Dynamics
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Generator & Power Systems provided a turnkey solution to replace our existing generator and automatic transfer switch. GPS is responsive, professional, and diligent.
– Erin Jefferson DSR Logistics Company
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Generator & Power Systems responded to our emergency. GPS provided fueling services, a rental unit, and a long-term maintenance plan.
Generator & Power Systems is your trusted resource for emergency power in Hawaii. Our knowledgeable sales and service staff is available round the clock to solve any issue regarding your standby power system. As the exclusive Industrial Dealer for Generac Power Systems in Hawaii and the Paciifc we are able to provide the most advanced emergency power systems on the market .
