Holu Hou Energy

What Holu Hou Energy does

Holu Hou Energy (HHE) is a Hawaii-headquartered solar plus energy storage company founded in 2019, operating as a Delaware LLC with primary offices in Honolulu/Aiea on Oahu and engineering/R&D operations in Shanghai. The company designs, engineers, and deploys proprietary solar PV plus battery storage systems for three customer segments: single-family residential homeowners, multi-dwelling unit (MDU) property owners, and commercial business owners — with primary operations in Hawaii and active expansion into California (services marked 'Coming Soon'). Its core technology, branded EnergyCluster and EnergyShare, is a behind-the-meter control architecture that connects multiple residential units into a real-time energy-sharing network, enabling each unit (equipped with approximately 10 kW PV and 25 kWh storage) to share surplus solar generation with neighboring units without exporting power to the utility grid. The company claims the system can meet 75–80% or more of clustered residents' energy needs and overcomes the tenant-load-variability and vacancy barriers that have historically blocked solar penetration into MDU rental stock.

HHE operates a hybrid revenue model spanning (1) long-term Power Purchase Agreements (PPAs) and project asset ownership for commercial and MDU customers (e.g., Luhauola mixed-use property in Kapolei, the Daniel K. Akaka State Veterans Home, Island Palm Communities), (2) a no-money-down residential solar lease program with monthly recurring billing consolidated into Hawaiian Electric Company (HECO) bills via a wholly-owned subsidiary, (3) outright equipment sales and design-to-service project delivery, and (4) 100% financing under the Hawaii Green Infrastructure Authority's GEM$ Green Bank program, which integrates repayment into the customer's existing HECO bill and guarantees a minimum 20% energy bill reduction. Pricing is quote-based and not publicly disclosed.

Go-to-market is sales-led across three productized offerings (Homeowners, Apartment Owners, Business Owners) with separate Hawaii and Mainland USA landing pages, supplemented by a third-party installer channel program, enterprise field sales targeting military housing and large developers, and event/PR-driven demand generation. To date, HHE has deployed systems at notable projects including a 200-home EnergyCluster installation at Aliamanu Military Reservation with Lendlease / U.S. Army / Island Palm Communities, the Kunia Village affordable housing community, Nahoa MDU, Koa'e workforce housing, and Barbers Point Housing. The company has raised approximately $55 million since late 2023 (a $20 million construction financing facility from Fundamental Renewables in November 2023 and a $35 million strategic private equity investment from Irradiant Partners, LP in March 2024), supports a project pipeline approaching $1.0 billion in value, and was named Island Innovator of the Year by the Hawaii Venture Capital Association in February 2026.

Name

Holu Hou Energy

Legal name

Holu Hou Energy, LLC

Website

https://holuhou.com

Company type

Private

Founded year

2019

Operating status

Operating

Headcount range

11–50 employees

Short description

Holu Hou Energy is a Hawaii-based solar plus energy storage company serving homeowners, multi-dwelling unit property owners, and commercial customers with proprietary EnergyCluster technology that enables behind-the-meter, real-time surplus energy sharing across clustered residential units in Hawaii and California.

Ownership category

akta.pro rank

Product category

Solar Energy Storage Systems

NAICS

Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334)

SIC

Cogeneration Services & Small Power Producers (4991)

akta.pro primary industry

Residential / Behind-the-Meter Storage Installation & Integration (EUAEAEAC)

Keywords

• Solar energy storage
• Multi-dwelling unit solar
• Residential solar leasing
• Behind-the-meter energy sharing
• Commercial solar systems

Headquarters

HQ city

Honolulu

HQ country

United States

HQ region

North America

Offices5 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Residential Solar Home Lease Program: Monthly recurring lease billing for HoluPower energy storage + solar PV systems installed at single-family homes, with systems owned by a wholly-owned subsidiary of HHE and monthly billing revenue consolidated into HHE company financials.
2. Solar + Storage Equipment Sales and Project Ownership: Design-to-service solar plus energy storage systems sold or owned as project assets in Multi-Dwelling Unit (MDU) markets, including the HoluPower xP system and EnergyCluster installations.
3. Power Purchase Agreements (PPAs): Long-term PPAs (e.g., signed with Kapolei Diversified Properties for Luhauola mixed-use project) where HHE finances, installs, and operates solar + storage and sells the electricity to the property.
4. Project Asset Ownership and Project Capital Structuring: Long-term project asset ownership of MDU solar+storage projects backed by strategic capital partners (Irradiant Partners), generating returns tied to avoided retail electricity rate cost and recurring cash flow from each MDU property owner.
5. Flexible No-Money-Down Financing: Flexible financing options for residential customers enabling solar + storage purchase with no upfront capital outlay, including 100% financing through the HGIA GEM$ program that integrates repayment into existing HECO bills.

Pricing tiers

Go-to-market motion5 records

Distribution channels6 records

Marketing channels9 records

Core offering

Holu Hou Energy designs, engineers, installs, finances, and operates proprietary solar plus energy storage systems for residential, multi-dwelling unit (MDU), and commercial customers in Hawaii (with expansion into California). Its flagship offering pairs the HoluPower xP energy storage system with the proprietary EnergyCluster architecture, which connects multiple residential units into a behind-the-meter network enabling real-time surplus solar energy sharing across properties.

Differentiator

Problem solved

Functional benefit

Brands

• HoluPower: Proprietary energy storage system product line including HoluPower xP and HoluPower SmartPanel products, integrating solar modules with battery storage for residential and commercial applications.
• EnergyCluster
• EnergyShare

Products and services

• HoluPower xP Energy Storage System A 2nd-generation solar energy storage system that stores energy harvested from solar panels and can share it among multiple residential or commercial units via the proprietary EnergyCluster/EnergyShare technology. Listed with the California Energy Commission and approved for Hawaii and California markets.
• HoluPower SmartPanel

Quantifiable outcome

• Solar panels reduce Oahu electric bills by up to 60-90%, with 6-8 year payback and 25-30 year system lifespan
• +5 more outcomes

Named customers9 records

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

Feature4 records

Partnerships

Ten partnerships are on record, tiered flagship / tier-1, minor / tier-3, core / tier-2 and historical / past relationship.

• Lendlease (with Island Palm Communities / U.S. Army)flagship / tier-1Strategic or Co-development Partner · 10 December 2024HHE partnered with Lendlease (real estate/investment group managing ~8,000 homes for U.S. Army on Oahu) and Island Palm Communities to install 200 EnergyCluster energy storage systems at Aliamanu Military Reservation. Each unit has ~10 kW PV + 25 kWh storage. Project meets 75-80%+ of residents' energy needs without exporting power to the grid. Lendlease Executive General Manager Justin Kern is publicly quoted on the partnership.
• WinnResidential Military Housing Servicesminor / tier-3Strategic or Co-development Partner · 10 December 2024WinnResidential is the property management partner alongside Lendlease for Island Palm Communities, which will develop, renovate, finance, and maintain over 7,580 homes for military families through 2054.
• Kunia Village (agricultural community)core / tier-2Strategic or Co-development Partner · 31 October 2024HHE partnered with tenants in Kunia Village through the GEM$ Program to bring affordable solar + storage to the agricultural community; properties achieve 20%+ savings. Construction began in January 2023 and the partnership was announced publicly in October 2024.
• Hawaii Green Infrastructure Authority (HGIA) - GEM$ Programflagship / tier-1Strategic or Co-development Partner · 22 August 2024HHE was approved as a GEM$ Program contractor through HGIA (Hawaii's Green Bank). GEM$ offers up to 100% financing for solar + storage with repayment integrated into the customer's HECO bill; properties achieve a minimum of 20% cost reduction and 0-2%/year inflation protection. Partnership enabled $25 million residential solar backlog in 6 months.
• U.S. Army / Army Garrison-Hawaiiflagship / tier-1Strategic or Co-development Partner · 27 March 2023HHE partnered with Island Palm Communities and the U.S. Army to bring solar energy-sharing clusters (EnergyCluster) to ~8,000 military residences on Oahu managed by Lendlease under the Military Housing Privatization Initiative. Initial 200-home installation at Aliamanu Military Reservation was unveiled in December 2024.
• Borqs Technologies (divestment)historical / past relationshipOthers · 19 December 2022Borqs Technologies announced a plan to divest its ownership of Holu Hou Energy to the U.S. Government because HHE's solar energy storage system and EnergyShare technology for MDU Residential Units was deemed critical technology. Borqs was the prior parent owner.
• Kapolei Diversified Properties, LLCcore / tier-2Strategic or Co-development Partner · 20 September 2022HHE signed a Power Purchase Agreement (PPA) with Kapolei Diversified Properties, LLC to deliver energy to Luhauola, a new mixed-use commercial and residential property in Kapolei, Oahu, Hawaii.
• Honokea Villagesminor / tier-3Strategic or Co-development Partner · 14 July 2022HHE partnered with Honokea Villages to deliver a major renewable energy generation and storage system at a key Hawaiian cultural and sporting facility.
• Hawaiian Electric Battery Bonus Programcore / tier-2Technology or Integration · 2 June 2022HHE gained rapid market traction for participation in Hawaiian Electric's Battery Bonus program introduced by the utility; Holu Hou stated it would play a major role in the program.
• Hawaiian Electric Company (HECO)core / tier-2Technology or IntegrationHECO is the local electric utility with whom HHE integrates via programs such as Bring Your Own Device Plus (BYOD Plus), Smart Renewable Energy Export, Smart Renewable Energy Non-Export, Battery Bonus program, and Public Safety Power Shutoff (PSPS). GEM$ Program repayment charges are integrated into the customer's existing HECO bill.

Scale indicators12 records

Recent moves8 records

Expansion highlights7 records

Direct peers

• Sunrun: Largest U.S. residential solar, battery storage, and lease/PPA provider with national reach. Directly comparable to HHE's homeowner lease program, HoluPower storage offering, and PPA business model.
• Sunnova Energy International: U.S. residential solar and storage service provider with a lease/PPA model. Directly comparable to HHE's recurring residential lease program and HoluPower storage deployment.
• SunPower (formerly Complete Solar / Maxeon spin-off): Long-standing residential solar and storage provider with national installer network. Comparable as a turnkey residential and commercial solar + storage competitor with Hawaii operations.

Broad incumbents

• Tesla Energy: Tesla's energy business sells solar + Powerwall storage and operates utility-scale and residential storage. Comparable as a residential solar + storage incumbent with broad portfolio that overlaps HHE's hardware and storage offering.
• Enphase Energy: Leading supplier of microinverters and the IQ Battery storage system for residential solar. Comparable as a residential solar + storage technology provider whose products often compete alongside or against HHE's HoluPower platform.

Emerging players

• Fundamental Renewables: Renewable energy project finance and asset management firm that provided HHE's $20M construction financing facility. Comparable as a specialized capital partner in MDU/community solar plus storage project finance.
• Onyx Renewables: Renewable energy developer and asset owner that partnered with HHE to finance and operate the Daniel K. Akaka State Veterans Home solar + storage portfolio. Comparable as a specialized institutional solar + storage asset owner/operator working in Hawaii.

Regional players

• RevoluSun Hawaii: Hawaii-focused residential and commercial solar installer with a lease/PPA model. Comparable as a Hawaii-anchored residential solar + storage competitor targeting the same Oahu and island markets as HHE.

Others

• Hawaii Solar Industry Association (member installers e.g., Photonworks Engineering): Hawaii solar industry trade association and its installer members (e.g., Photonworks Engineering) are regional competitors in the same Hawaii residential and commercial solar + storage market as HHE.
• Borqs Technologies: Former parent company of HHE that announced a CFIUS-mandated divestiture of its ownership stake in 2022. Relevant for ownership history, embedded IoT/solar tech lineage, and ongoing governance context.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@HoluHouEnergy-xi3fh
• Facebookfacebook.com/109920417920161
• LinkedInlinkedin.com/company/holu-hou-energy
• Instagraminstagram.com/holuhou.energy

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries1 record

Funding overview

Funding rounds2 records

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Holu Hou Energy