The Best Home Solar in Lihue, HI

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

#1

RevoluSun

4.8
(180 reviews)
Verified

A leading statewide solar provider known for high-quality installations and excellent customer service. They specialize in custom-designed systems that integrate seamlessly with KIUC's grid and offer comprehensive battery storage solutions, particularly Tesla Powerwall, to ensure energy resilience and independence.

3115 Akahi St, Lihue, HI 96766 (Primary Kauai office)

Specialties & Features

Battery storage system installation
Premium solar panel installation
KIUC interconnection expertise

Business Information

Years in Business:14 years
Licensed:Yes
Insured:Yes
#2

Haleakala Solar

4.7
(150 reviews)
Verified

One of Hawaii's oldest and most established solar companies with a strong presence on Kauai. They have deep experience with both residential and commercial projects and are known for their robust system designs and long-term reliability. They offer a full suite of services from consultation to maintenance.

3120 Ua St, Lihue, HI 96766

Specialties & Features

Residential solar panel installation
Grid-tied and off-grid solutions
System maintenance and repair

Business Information

Years in Business:45 years
Licensed:Yes
Insured:Yes
#3

Alternate Energy Inc.

4.9
(90 reviews)
Verified

A highly-rated, Kauai-based contractor that focuses on personalized service and deep local knowledge. They are experts in navigating the specific requirements of KIUC and are particularly skilled at designing systems that maximize savings for Kauai homeowners, often with a focus on energy efficiency.

3127C Ua St, Lihue, HI 96766

Specialties & Features

Energy efficiency assessments
Solar energy system design and consultation
Local KIUC incentive knowledge

Business Information

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

Why These Are the Top Home Solar Contractors in Lihue

** The home solar market in Lihue, and Kauai as a whole, is **mature and highly competitive**, driven by some of the highest electricity rates in the United States. The market is characterized by a strong emphasis on **battery storage integration** due to KIUC's "Battery Bonus" program and the need for backup power during grid outages, which are more common on the island. The average quality of solar providers is very high, as companies must meet strict KIUC and state licensing requirements. Typical pricing for a residential solar system in Lihue can range from **$25,000 to $60,000+** before incentives, heavily dependent on system size (typically 5kW to 15kW for homes) and the inclusion of battery storage (which can add $15,000-$25,000). Most homeowners utilize financing options like solar loans, and the federal solar investment tax credit (ITC) remains a significant incentive. Competition is fierce among a handful of established local and statewide players, which generally benefits the consumer through competitive pricing and a strong focus on customer service.

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 Lihue regulations and climate

Frequently Asked Questions About Home Solar in Lihue

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

1How does Lihue's rainy and cloudy weather affect solar panel efficiency, and will I still have power?

While Lihue receives more rainfall than other parts of Kauai, modern solar panels are highly efficient at converting diffuse sunlight, meaning they still generate significant power on cloudy days. Your system will be designed based on Lihue's specific solar irradiance data to meet your annual needs, and being connected to Kauai Island Utility Cooperative (KIUC) grid allows for net metering to balance daily variations. Battery storage is also a popular add-on in Lihue to ensure power during evening peaks and brief outages.

2What is the typical cost range for a residential solar system in Lihue, and what financial incentives are available?

For a typical Lihue home, a solar PV system costs between $20,000 and $35,000 before incentives, depending on system size and equipment. Critically, Hawaii offers a state tax credit (up to 35% of system cost with a cap) in addition to the 30% federal tax credit, dramatically reducing the net cost. Furthermore, KIUC's net energy metering (NEM) program allows you to receive bill credits for excess energy sent to the grid, leading to very short payback periods, often 5-7 years given Hawaii's high electricity rates.

3Are there any local permitting or homeowner association (HOA) rules in Lihue I need to consider before installing solar?

Yes, you must obtain permits from the County of Kauai Planning Department, and your installer will typically manage this process. Hawaii has a "Solar Rights Act" that generally prohibits HOAs from unreasonably restricting solar installations, but they can have rules regarding placement for aesthetic reasons. In Lihue, it's also essential to ensure your design accounts for local building codes for hurricane resistance, which reputable local installers are well-versed in.

4How do I choose a reliable solar provider in Lihue, and what should I look for?

Prioritize providers with extensive local experience on Kauai, as they understand KIUC's interconnection process, county permitting, and regional weather patterns. Look for licensed (C-61 or C-46), insured, and NABCEP-certified installers. Always check reviews, ask for local references in Lihue, and compare detailed proposals that include equipment warranties, production guarantees, and a clear timeline for KIUC approval and county inspection.

5With KIUC's grid constraints, can I still connect a new solar system, and what is the timeline from signing to activation?

Yes, you can still connect, but KIUC manages a proactive interconnection process to maintain grid stability. The entire process, from design and permitting to KIUC approval, installation, and final inspection, typically takes 3 to 6 months in Lihue. The most variable factor is the interconnection study and approval from KIUC, which is why working with an installer experienced in navigating their specific requirements is crucial for a smooth timeline.