Best Energy Tech Companies in Hong Kong, China
The 81 best Energy Tech companies in Hong Kong, China in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: EcoCeres.
Our analysis of 50 Energy Tech companies
$52.2b in tracked funding; 38% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2022.
Ranked: Best Energy Tech companies in Hong Kong
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3Tech Provider of telecom energy solutions, power products, and monitoring systems | — | — | 8 | 1998 | Leo Kam Ngai Liu Director & CEO | PHPWindows ServerMicrosoft ASP.NET+3 | — | — |
| 2 | AirUnleashed Wireless charging product for electronics devices | — | — | — | 2019 | Gerard Nieuwenhuis Co-Founder & CEO | — | — | — |
| 3 | Ambi Labs Hardware and software to control household appliances | — | — | 18 | 2012 | — | — | 6 patents Advanced HVAC and climate control algorithms for building heating, ventilation, and cooling systems. | — |
| 4 | Auluxa Retrofittable home automation solution | — | — | — | 2011 | Amar Dhillon Co-Founder | — | — | — |
| 5 | BeeXergy Provider of energy monitoring solutions and services for energy auditing and modeling | — | — | — | 2011 | Kei Mak Founder & Director | — | — | — |
| 6 | Benergy Lithium battery manufacturer | — | — | — | 2010 | Jianbin Han CEO | NginxAmazon Web ServicesSwiper+5 | — | — |
| 7 | Blue Sky Provider of building energy management solutions for properties | — | — | 13 | 2014 | Christina Tang Founder | — | 35 patents Advanced power conversion and waste treatment technologies for oilfield microgrids. | — |
| 8 | BMTPow Manufacturer of lithium batteries, power storage systems, and BMS | — | — | — | 2003 | Wylie So Founder & CEO | — | — | — |
Top 12 Energy Tech companies in Hong Kong
#1
Series B · Hong Kong, Hong Kong · founded 2014 · 70 employees$39Mraised▾
Provider of energy storage systems for construction and industrial applications. These systems offer a cleaner, quieter power source as an alternative to diesel generators. The systems are designed for demanding work sites and provide control over energy usage. They enable the use of zero or low carbon energy sources. The systems are remotely monitored and supported by a dedicated service team.
- Nov 2024Series B$27.3M
- Jun 2023Series A$8M
- 2021Series A—
- Jun 2017Seed$3.7M
#2
Seed · Hong Kong, Hong Kong · founded 2023$4.5Mraised▾
Provider of decentralized energy storage system. They specialize in designing advance energy network stability and sustainability through virtual power plant solutions. They offer a network connecting distributed energy devices through IoT,blockchain and AI.
- Jan 2025Seed$2.5M
- Jun 2024Seed$2M
#3
Series A · Wan Chai, Hong Kong · founded 2021$10Mraised▾
Online retailer of electric bikes, components, and related accessories. The business provides various electric bike models, including lightweight, commuter, cruiser, and folding options. It also offers carbon fiber models, smart e-bikes, and utility cargo e-bikes. The business provides warranties, returns, and financing options.
- Jul 2024Series A$10M
- Feb 2022Seed—
#4
Series A · Hong Kong, Hong Kong · 20 employees$13.8Mraised▾
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#5
Unfunded · Kwun Tong, Hong Kong · founded 2021$108Mraised▾
Provider of renewable fuels including sustainable aviation fuel and cellulosic ethanol. The company focuses on energy transition through technology. It produces hydrotreated vegetable oil and renewable naphtha. The company promotes an open market to support climate goals.
#6
Series A · Hong Kong, Hong Kong · founded 2016$14.1Mraised▾
Manufacturer of multi-category electric bicycles. The company design and develops multiple electric bicycles like pedal-assist bicycles, foldable bicycles, city bicycles, fat tire bikes, and more. Customers can buy bicycles and other accessories through the platform.
- Jan 2024Series A$14.1M
#7
Series C · Hong Kong, Hong Kong · founded 2018$83.7Mraised▾
ChargeSpot is a power-bank sharing service. Users have to download a mobile app and deposit a rental fee to use this service. The app enables users to find the nearest charging station. Its app is available on Android and iOS platforms.
- Jun 2020Series C$38.7M
- Mar 2020Series B$35M
- 2018Series A$10M
#8
Series A · Hong Kong, Hong Kong · founded 2009 · 16 employees$14.8Mraised▾
Ariel Rider is a developer of electric bicycles. The company develops various model electric bicycles like X-Class 52V, Grizzly, D-class, etc. It offers features like Li-ion batteries, battery management system.
- Nov 2021Series A$14.8M
#9
Series B · Hong Kong, Hong Kong · founded 2015 · 100 employees$7Mraised▾
Developer of flexible PV modules. It develops monocrystalline modules which can be integrated into building materials like tiles, roofs, and facades. It is used as a power source to operate pumps and oxygen aeration systems.
- Nov 2020Series B$7M
#10
Public · Wan Chai, Hong Kong · founded 1986 · 25776 employees$12Mraised▾
Manufacturer of lithium cells. They manufacture lithium cells for electric vehicles, solar energy and wind energy storage systems.
- May 2005PE$12M
#11
Funding Raised · Tsuen Wan, Hong Kong · founded 1984 · 7 employees$2.9Mraised▾
Manufacturer and supplier of batteries. It designs and develops products such as battery systems, battery packs, power supplies, energy storage systems, and more. It specializes in energy storage systems for both indoor and outdoor spaces.
- Jan 2019Grant (prize money)—
- Oct 2011Grant (prize money)$125K
- Sep 2010Grant (prize money)$200K
- Jul 2010Grant (prize money)$150K
#12
Deadpooled · Hong Kong, Hong Kong · founded 2016 · 7 employees$1.3Mraised▾
Provider of end-to-end home automation solutions for residential buildings. Its offerings include smart light switches, connected AC modules, shade modules, temperature sensors, motion sensors, among others. In addition, it offers a connected hub that allows users to control all essential features of a home and can connect up to 200 devices wirelessly. All these devices interface with Amazon Alexa or Google Assistant for voice-controlled and work in integration with a companion application compatible with both Android and iOS devices.
- Jul 2019Seed$1.3M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Grid Energy Storage is moving in China
A read on the academic research around Grid Energy Storage — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 17,701 China-affiliated papers.
- Chinese Academy of Sciences994
- North China Electric Power University871
- Tsinghua University773
- State Grid Corporation of China757
- Xi'an Jiaotong University582
- Electrolyte42→1055
- Anode73→1024
- Cathode49→965
- Electrochemistry61→912
- Battery (electricity)53→857
- Renewable energy14→1536
- Power (physics)5→1385
- Energy (signal processing)5→1061
- Battery (electricity)35→952
- Photovoltaic system4→880
- Battery (electricity)21→344
- Nanotechnology28→300
- Electrolyte12→276
- Anode17→262
- Cathode10→223
Where energy storage is researched across China
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing energy storage patents in China
China energy storage patent filing is accelerating — 4,887 filings from 1,714 assignees (2016–2025), led by Contemporary Amperex Technology, Huawei Digital Power TECH, Xiamen Hithium Energy Storage TE; annual filings 68→1645.
- Contemporary Amperex Technology707
- Huawei Digital Power TECH564
- Xiamen Hithium Energy Storage TE451
- Sungrow Power Supply227
- BYD208
- Shenzhen Hithium Energy Storage 178
- Contemporary Amperex Future Ener150
- EVE Energy Storage104
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.