The Best Home Solar in Lawai, HI

Compare the highest-rated home solar professionals in Lawai, Hawaii. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Haleakala Solar

4.8
(150 reviews)
Verified

A highly respected, locally-owned solar installer with deep roots in Hawaii. They are known for their exceptional customer service, high-quality installations, and extensive expertise in both grid-tied and battery-backed systems, which is crucial for Kauai's grid. They handle the entire process from design to permitting and maintenance.

(Kauai Office) 3-2600 Kaumualii Hwy #C1, Lihue, HI 96766

Specialties & Features

Battery storage system installation
Grid-tied and off-grid solutions
Professional system design

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#2

Kauai Solar

4.7
(100 reviews)
Verified

As a SunPower Master Dealer, Kauai Solar offers some of the most efficient solar panels on the market. They specialize in custom designs for Kauai's unique climate and are experts in navigating local utility (KIUC) requirements and state incentives. They provide robust financing options and strong warranties.

3-3311 Kuhio Hwy, Lihue, HI 96766

Specialties & Features

High-efficiency solar panel installation
Solar financing and leasing
Energy efficiency assessments

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Alternate Energy Inc.

4.6
(80 reviews)
Verified

A well-established local contractor focused on renewable energy systems for Kauai. They offer a full suite of services from consultation and design to installation and long-term maintenance and repair. They have strong partnerships with leading battery manufacturers like Tesla and Sonnen, making them a strong choice for energy resilience.

3120 Ualo St, Lihue, HI 96766

Specialties & Features

Residential solar panel installation
Maintenance and repair
Battery storage system installation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top Home Solar Contractors in Lawai

The home solar market in Lawai and on Kauai as a whole is mature and highly competitive, driven by having the highest electricity rates in the United States. The quality of service providers is generally very high, as the challenging island environment demands robust and reliable system design and installation. The Kauai Island Utility Cooperative (KIUC) grid has a high penetration of renewables, making battery storage for evening energy use (load shifting) almost as important as solar panels themselves. Most new installations are designed with storage to maximize self-consumption. Competition is strong among a handful of established local companies, with a focus on quality and service over low-cost, high-volume sales. Typical pricing for a residential solar-plus-storage system is premium compared to the mainland, often ranging from **$35,000 to $65,000+** before federal and state incentives, reflecting higher equipment, labor, and permitting costs, as well as the inclusion of expensive battery technology. Companies that succeed on Kauai have deep expertise in local permitting, KIUC interconnection standards, and Hawaii's specific tax credits and incentive programs.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Lawai regulations and climate

Frequently Asked Questions About Home Solar in Lawai

Get answers to common questions about home solar services in Lawai, Hawaii.

1How does Lawai's specific climate and weather affect solar panel efficiency and what seasonal variations should I expect?

Lawai's abundant sunshine makes it one of the best locations in the U.S. for solar, with panels operating at high efficiency year-round. However, efficiency can slightly dip during the rainy winter months (November-March) due to increased cloud cover and shorter days. The consistent trade winds also help keep panels cooler in the hot summer, which improves their performance compared to hotter, still climates.

2What are the key local permits and regulations I need to navigate for a solar installation in Lawai, Kauai?

All installations on Kauai must comply with Kauai Island Utility Cooperative (KIUC) interconnection requirements and the County of Kauai building permit process. KIUC has specific rules for grid-tied systems, including required equipment like a rapid shutdown device. It's crucial to work with a licensed Hawaii C-61 solar contractor who is familiar with these local codes and can manage the entire permitting process for you.

3With Hawaii's high electricity rates, how long is the payback period for a solar system in Lawai?

Due to KIUC having some of the highest residential electricity rates in the nation (often over $0.40 per kWh), the payback period in Lawai is exceptionally fast, typically between 4 to 7 years. The exact timeline depends on your system size, financing method, and current energy usage. The state's high energy costs mean your monthly savings will be significant, accelerating your return on investment.

4How do I choose a reputable solar provider on Kauai, and are there local incentives I should ask about?

Look for providers with strong local experience, proper Hawaii licensing, and a robust portfolio of installations on Kauai, specifically. Check reviews and ask for references from Lawai or nearby Poipu homeowners. Be sure to ask about the Hawaii State Tax Credit (currently 35% of system cost with a cap) in addition to the federal ITC, as this combined incentive drastically reduces your net cost.

5Given Kauai's remote location, are there concerns about equipment availability or long repair wait times for solar systems?

Reputable local installers maintain inventory on-island to avoid major shipping delays for new installations. For repairs, choosing a provider with a permanent local service team on Kauai is critical, as it prevents long waits for a technician to fly over from Oahu. Ensure your service agreement guarantees local response times and ask about their stock of common replacement parts like inverters.