Business Details
33 Years
experience
Trusted Solar & Energy Solutions in Hawaii
Since 1993, Alternate Energy has been a trusted provider of comprehensive energy solutions for residential and commercial clients across Hawaii. Our expertise spans solar photovoltaic systems, energy-efficient HVAC installations, electric vehicle charging stations, and solar water heating solutions. With over 30 years of local experience and a team of certified professionals, we prioritize customer satisfaction through personalized service, cutting-edge technology, and a commitment to sustainability. Our in-house technicians ensure quality workmanship, while flexible financing options and access to state and federal incentives make renewable energy accessible and cost-effective.Recognized as Hawaii's leading solar provider, we have installed over 59 megawatts of solar capacity, powering 10,000 homes and contributing to the state's 100% renewable energy goals. Our dedication to innovation, reliability, and community has earned us numerous accolades, including being voted Oahu's best in solar, air conditioning, and plumbing services.
Services
Solar Installation
Battery Storage
HVAC Upgrades
EV Charging
Solar Water Heating
Roofing Solutions
System Maintenance
Financing Options
Energy Audits
Grid Services
Details
- Year established: 1993
Highlights and features
- We have over 30 years of experience in Hawaii's renewable energy market.
- Our in-house team of certified technicians ensures quality installations.
- We've installed 59+ MW of solar capacity, powering 10,000 homes.
- We offer exclusive access to state and federal solar tax credits.
- We provide comprehensive 25-year warranties on solar panel systems.
Associations and certifications
- Mitsubishi Diamond Elite Contractor
What people say
Quick installation
Lower electric bills
Professional team
Energy savings
Reliable service
Services
Solar Installation
Our residential and commercial solar installations utilize high-efficiency Panasonic HIT and REC Alpha Series panels with 25-year warranties. These systems reduce electricity bills by up to 80% while increasing property value. Our in-house technicians ensure seamless integration with existing electrical systems and compliance with Hawaiian Electric requirements.
Battery Storage
Tesla Powerwall, Panasonic EverVolt, and Enphase Encharge systems store excess solar energy for backup power during outages. These solutions enable zero-export configurations, maximizing incentive benefits while providing energy independence during grid disruptions.
HVAC Upgrades
Mitsubishi Split Ductless AC systems offer 40% greater efficiency than traditional HVAC. Our Diamond Elite-certified technicians install zoned systems that reduce energy consumption through smart inverters and ductless technology, qualifying for Hawaii Energy rebates up to $350 per unit.
EV Charging
We install ChargePoint and Level 2 EV charging stations with smart features like remote scheduling and app control. Our licensed electricians ensure proper 240V circuit installation, providing six times faster charging than standard outlets with full system warranties.
Solar Water Heating
Our solar water heaters reduce water heating costs by 50-80% using roof-mounted collectors and insulated storage tanks. Systems qualify for 65% tax credits and include a 10-year workmanship warranty, with optional $1,250 Hawaii Energy rebates for existing homes.
People
Bruce Ekimura
Founder and President
Bruce founded Alternate Energy in 1993 and has led its growth into Hawaii's premier renewable energy provider. With decades of industry experience, he focuses on strategic innovation and maintaining the company's commitment to quality and sustainability.
Roy Skaggs
Director of Sales
Roy oversees sales operations with 20+ years of renewable energy expertise. He specializes in custom solar solutions and financing strategies that maximize client savings while ensuring compliance with state and federal incentive programs.
David Thompson
Project Developer
David has managed over 500 solar installations since joining Alternate Energy in 2010. His technical expertise in system design and tax credit optimization makes him a trusted advisor for residential clients seeking energy independence.
Jeff Lum
Project Developer
Jeff specializes in commercial solar solutions with a focus on maximizing ROI through combined HVAC and PV system upgrades. His background in electrical engineering ensures technically sound installations that meet business energy demands.
Darrel Yamate
Project Developer
Darrel coordinates community solar projects and large-scale installations. With expertise in grid supply programs, he helps clients navigate Hawaiian Electric's interconnection requirements and optimize net metering benefits.
Questions
What solar incentives are available in Hawaii?
Hawaii residents qualify for 65% tax credits covering system costs, including the 30% federal ITC and 35% state credit. Additional incentives include HECO's Battery Bonus Program and Hawaii Energy rebates for qualifying equipment.
How long does solar installation take?
Most residential installations complete in 1-2 days after permitting. Commercial projects typically take 3-5 days. Our streamlined process includes system design, permitting assistance, and scheduling within 4-6 weeks of contract signing.
Do you service existing systems?
We service systems we installed with active warranties. For non-AEI systems, we offer assessments at $250 service call fee. Our technicians specialize in Mitsubishi HVAC and can evaluate most major solar brands.
What financing options exist for solar?
We offer $0-down solar loans with competitive rates through local credit unions. Customers can also choose cash purchases or lease-to-own programs that include tax credit benefits and performance guarantees.
How do battery systems work with solar?
Battery storage captures excess solar energy for nighttime use or grid outages. Our Tesla and Panasonic systems integrate seamlessly with new or existing PV installations, enabling zero-export configurations that maximize incentive eligibility.
What warranties do you provide?
We offer 25-year manufacturer warranties on solar panels, 10-year workmanship warranties on installations, and 12-15 year warranties on battery systems. All services include a 1-year labor warranty for system components.
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