Best Solar Companies in Honolulu: Local Installers Built for Island Homes
Honolulu isn’t dabbling in solar anymore; it runs on it. Hawaiian Electric reports that more than a gigawatt of customer-sited rooftop PV, along with batteries, is on its grid, and roughly 44% of the single-family homes it serves already have solar panels.
That maturity changes how you choose an installer. You want island-tested designs, solid workmanship, and service you can rely on after the first storm. This guide highlights locally headquartered solar companies in Honolulu that offer written workmanship coverage, published OEM warranties, and island-ready battery packages, allowing you to compare them like-for-like.
Top 10 Solar Companies in Honolulu, Hawaii (2025)
From design to PTO, these Honolulu solar installers back their PV systems with stated coverage and batteries configured for HECO’s BYOD Plus program.
1. Independent Energy Hawaii
Independent Energy Hawaii is a Honolulu-based solar and storage specialist. Their team handles residential and commercial PV, battery integrations, and smart-home energy add-ons (including EV), and holds a Hawaii electrical contractor license. They also offer an insurance-backed, long-term protection option beyond standard manufacturer warranties.
- Tesla Powerwall 3 and Enphase batteries. Manufacturer coverage is listed as Tesla for 10 years and Enphase for 15 years.
- Offers Solar Insure with up to 30-year system protection.
- Offers Hyundai PV modules with 25-year product and 30-year performance warranties.
- NABCEP PV Installation Professional and HI Electrical Contractor License C-37984.
The solar company in Honolulu pairs coverage with energy-efficient home controls, homeowners get resilient backup and day-to-day energy management tuned for island grids.
2. RevoluSun
RevoluSun is a solar and “smart home” contractor with a visible presence at SALT at Our Kaka‘ako. The team delivers solar installations alongside storage, air conditioning, roofing coordination, and solar water heaters. They are also backed by a Hawaiʻi contractor license and third-party certifications (Tesla Powerwall Premier Certified Installer).
- Offers Tesla Powerwall for whole-home energy production designs.
- $0-down programs, “0% interest & no payments for 18 months,” and credit-union financing via Hawai‘i State FCU (up to $75k).
- Advises and schedules panel removal & replacement for reroof projects.
- In-house service department and panel cleaning across O‘ahu.
With financing that fits local budgets and a build scope that spans PV, storage, AC, and reroofing logistics, RevoluSun, a solar company in Honolulu, leans into site-specific execution.
3. SunSpear Energy
SunSpear Energy is a full-service solar and battery contractor (HI Lic. CT-35914) that designs, installs, and finances PV systems. They install Tesla Powerwall, SunPower, REC, and SPAN, with over 60 years of combined experience and 22+ MW deployed across Hawaiʻi.
- $0-down solar loans, plus lease/PPA paths.
- 5-year workmanship, 10-year battery, and an optional 30-year Solar Insure “Total Home” policy.
- Manufacturer coverage available per OEM (e.g., SunPower 25-yr, REC up to 25-yr when eligible).
- Turn-key design, permitting & HECO interconnection, installation and servicing; commercial solutions include PPA, cap-ex loans, and sale-leasebacks.
By pairing ownership-friendly financing with comprehensive warranty protection, SunSpear prioritizes reliability over quotes. This especially matters in Hawai’i for power backup uptime.
4. Mālama Solar
Mālama Solar is a Honolulu-headquartered residential solar and battery installer serving Oʻahu (and the Big Island) with an in-house team and a straightforward process. Design → permits → installation, including master-electrician sign-off before utility permission to operate.
- Installs Tesla Powerwall (13.5 kWh) and Generac PWRcell (up to 18 kWh).
- 25-year manufacturer equipment coverage + 10-year installation/workmanship warranty.
- 0% federal and up to 35% Hawaiʻi state credits (they don’t file on your behalf).
- Projects are scheduled 6–8 weeks after the go-ahead (sometimes ~3 weeks).
- On-site work ≈2 days with premium mounting aimed at leak-free roofs.
- Master electrician inspects before HECO PTO.
Their strength is tight, single-plan coordination across trades. This cuts handoffs, streamlines inspections, and delivers a system that operates firmly from day one and beyond.
5. Island Pacific Energy
Island Pacific Energy is a Honolulu-born EPC and asset operator (est. 2007) that builds residential PV while also financing, owning, and operating commercial rooftop systems across Hawaiʻi. They are recognized as the top solar contractor for 11 consecutive years.
- Certified usage of Tesla Powerwall/Powerpack/Megapack, Enphase IQ, and SolarEdge Energy Bank as storage options for right-sized solar projects.
- Offers “creative financing” for homeowners and pioneered power purchase agreements in Hawaiʻi, including the first PPA with a non-profit/government entity in the state.
Actively owns/operates distributed solar facilities and manages HECO interconnections.
Island Pacific Energy also runs its own solar assets. Thus, its home and business designs are shaped by real-world operating data, prioritizing uptime and serviceability.
6. HI Power Solar
HI POWER Solar is a multi-trade contractor with solar PV, battery storage, roofing, electrical, and HVAC services. They showcase their latest product stack (Tesla Powerwall 3, Enphase IQ 5P, Canadian Solar EP Cube) and premium module partners (REC, Qcells, Maxeon/SunPower).
- Tesla Powerwall: 10 years; Enphase IQ 5P: 15 years / 6,000 cycles; Qcells Q.TRON: 25-year product & 25-year performance;
- REC Alpha Pure R: 20-year product & 25-year performance; Maxeon panels: up to 40-year panel warranty where applicable.
- Points homeowners to local credit-union PV loans (HSFCU, HawaiiUSA FCU, UHFCU) and state incentive resources.
- The equipment choice freedom allows alternate designs when homeowners have brand preferences or HOA constraints.
HI POWER’s advantage is its depth and the expertise of one team that can prepare the roof, upgrade the panel, and commission a battery from multiple ecosystems.
7. Solar Help Hawaii
Solar Help Hawaii is a solar company in Honolulu (Oʻahu) that is primarily a service-first shop, installing PV and battery systems while also repairing, upgrading, and maintaining existing rooftop setups. Their crew often steps in on systems built initially by others.
- Offers photovoltaic and battery systems.
- $0 down, $0 payment, 0% for 12 months (OAC), and accepts major cards/ Apple Pay.
- Natural Light solar attic fans include a 25-year product warranty.
- Eligible CertainTeed Solstice systems are available with 15-year workmanship coverage.
- CertainTeed Solstice panels carry 25-year product and 25-year performance warranties.
If your first need is to get an existing system healthy, then add storage or expand later. Solar Help Hawaii’s “repair-then-upgrade” posture makes them a practical fit for island homes.
8. Photonworks Engineering
Photonworks Engineering is a solar company in Honolulu, HI, that pairs rooftop PV with battery energy storage and microgrids, backed by a full-service electrical division and in-house O&M. Their portfolio spans homes, commercial sites, and government projects, with Tesla, Enphase, SolarEdge, SMA, and Panasonic featured among their equipment partners.
- Installs Tesla Powerwall for residential projects; integrates battery systems alongside Enphase/SolarEdge/SMA-based power electronics for larger builds.
- 1-year standard installer warranty on battery systems, with manufacturer battery warranties typically 5–10 years. Panels often carry 20–25-year manufacturer coverage.
- No-charge service dispatch for 2 years after install (O&M policy).
Their two years of no-charge troubleshooting plus structured, long-term service options keep systems performing in region-specific conditions rather than just looking good on day one.
9. OceanHead Solar & Electric
OceanHead Solar & Electric is a women-owned solar and electrical contractor in Honolulu, pairing rooftop PV with home batteries and EV charging. They serve homeowners, multifamily, and commercial sites with NABCEP-certified solar installation models.
- Installs battery systems (Generac PWRcell) and integrates PV with EV chargers (ChargePoint-certified), alongside solar monitoring/energy-management work.
- 2–10-year workmanship plus optional 30-year SolarInsure protection.
- Residential & commercial PV, battery backup, EV charger installs, and broader electrical/efficiency scopes (LED, sub-metering, controls).
- Tesla, REC, and Enphase iQ Battery certified.
Their blend of PV + storage + EV under long-term coverage turns a single install into an integrated home-energy plan meant to last across Hawaiʻi’s full lifecycle of ownership.
10. Eco Solar
Eco Solar in Hawaii is a premium residential contractor offering clear, durable Maxeon high-efficiency panels paired with Tesla Powerwall. They also include parts & labor protection that extends beyond standard OEM terms.
- Certified Tesla Powerwall installer (including Powerwall 3).
- Maxeon panels have a 40-year manufacturer’s warranty.
- 5 years of workmanship on electrical and roof-mount work. Optional Solar Insure SI-30 adds up to 30-year system protection and long-term battery coverage.
- HSFCU PV loan with 0% interest and no payments for 18 months.
- Powerwall 3 + Backup Switch package starting at $16,000 (about $11,200 after 30% federal credit), with standard installation parameters disclosed.
- Annual Eco Boost maintenance recommended & a dedicated service request channel.
The throughline for Eco Solar is predictability, driven by standardized premium hardware, codified warranties, and upfront financing and pricing signals. This makes ownership feel more like a reliable utility upgrade than a one-off construction project.
Finalizing the Only Reasonable Solar Company in Honolulu
Honolulu’s market is mature (the rising number of solar installations), with the right installer separating itself on what’s written down, not what’s promised. From our shortlist, you get to compare three key factors: the workmanship term in years, the OEM warranties for panels, inverters, and batteries, and the post-installation service you can actually reach.
Then look at storage options and whether the team handles interconnection end-to-end. Use the review sources and certifications cited in each profile. Select the design and coverage that will protect your roof and power over the years, not just the quote that appears favorable today.
