Sigenergy

What Sigenergy does

Sigenergy Technology Co., Ltd. is a Shanghai-headquartered AI-driven energy technology company founded in 2022 by Tony Xu (former Huawei executive) and Samuel Zhang. The company designs and manufactures an integrated distributed energy stack spanning residential, commercial & industrial (C&I), and utility-scale applications, built around a modular architecture that combines PV inverters, battery storage, EV charging, heat-pump control, and an energy gateway in a unified platform. Flagship products include the SigenStor 5-in-1 residential system, SigenStack and SigenCube modular C&I storage, SigenTerra utility-scale storage paired with a 506 kW PV inverter, a range of micro and hybrid inverters, bidirectional V2X DC and AC EV chargers, the SigenFlux heat pump, and the SigenMate plug-and-play storage system. Hardware is unified under the mySigen App and SigenAgent, an AI agent that autonomously optimizes solar, storage, EV charging, and heat management using real-time weather, electricity-price, and grid-condition data.

Sigenergy makes money primarily through hardware sales—integrated energy storage systems, inverters, and EV chargers—distributed via a two-tier channel model comprising 170+ distribution partners and 25,000+ certified installers across more than 120 countries. The company also runs direct enterprise and EPC sales for larger C&I and utility-scale projects (for example, a 20 MWh deployment in Bulgaria and an 11.6 MWp / 20 MWh DC-coupled plant in Germany). Customer segments are horizontal: residential homeowners, C&I facilities, and utility-scale developers. Revenue grew from RMB 58 million in 2023 to RMB 1.33 billion in 2024 to RMB 9 billion in 2025, with gross margin of 50.1% and adjusted net margin of 35.9% in 2025. Sigenergy listed on the Hong Kong Stock Exchange (06656.HK) in April 2026, raising HK$4.4 billion and reaching a debut valuation of HK$162.8 billion; the company operates the 136,000 sqm Nantong Smart Energy Center and has announced a $150-200M manufacturing facility in India targeting 10-20 GW of capacity.

Name

Sigenergy

Legal name

Sigenergy Technology Co., Ltd.

Website

https://sigenergy.com

Company type

Public

Founded year

2022

Operating status

Ipo

Headcount range

501–1,000 employees

Short description

Sigenergy is a Shanghai-based AI-driven energy technology company that designs and manufactures integrated solar, battery storage, EV charging, and heat-pump systems for residential, commercial, and utility customers, sold through 170+ distributors and 25,000+ installers across 120+ countries.

Ownership category

akta.pro rank

Product category

Energy Storage Systems

NAICS

Switchgear and Switchboard Apparatus Manufacturing (335313), Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Computer Systems Design and Related Services (5415)

SIC

Switchgear & Switchboard Apparatus (3613), Services-Computer Integrated Systems Design (7373), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

Stationary Energy Storage Systems (BESS/ESS Integrators) (IMAGAHAD)

akta.pro secondary industries

Energy Storage Software & Controls (EMS, monitoring, optimization, cybersecurity) (IMAGAHAJ), Microgrid Controllers, Energy Management & DER Orchestration (MGC, SCADA, Optimization) (EUAFAJAH), Bidirectional Charging Hardware (Onboard/Offboard Chargers, Inverters, EVSE) (EUAFAMAC), EV Charger Smart Load Integration with HVAC/Electrical Systems (HSAOANAK)

Keywords

• Energy storage systems
• Solar PV inverters
• EV charging solutions
• Residential energy management
• Utility-scale storage

Headquarters

HQ city

Shanghai

HQ country

China

HQ region

Asia

Offices4 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Hardware Sales (Energy Storage Systems, Inverters, EV Chargers): Primary revenue stream from selling integrated energy storage systems (SigenStor, SigenStack), PV inverters (residential, commercial, utility-scale), and EV chargers. The SigenStor 5-in-1 energy storage system drove 2025 revenue of 9 billion yuan.
2. Commercial & Industrial Solutions: Large-scale storage and solar solutions for commercial and industrial customers, including modular C&I solutions scalable up to 25MWh and custom deployments like the 20 MWh system installed in Bulgaria.
3. Utility-Scale Energy Storage Projects: Utility-scale storage systems and PV inverters (500kW+) for large solar projects, including projects like Germany's largest DC-coupled PV plant with 11.6 MWp capacity and 20 MWh battery storage.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels9 records

Core offering

Sigenergy designs, manufactures, and sells AI-driven integrated energy storage systems that combine PV inverters, battery storage, EV charging, heat management, and an energy gateway into modular 5-in-1 platforms for residential, commercial & industrial, and utility-scale customers. The portfolio — spanning SigenStor, SigenStack, SigenCube, SigenTerra, a full inverter range up to 506 kW, bidirectional V2X EV chargers, the SigenFlux heat pump, and the SigenMate plug-and-play system — is unified by the SigenAgent AI agent running on the mySigen App, which autonomously optimizes energy flows across more than 200,000 deployed power stations worldwide.

Product overview

Sigenergy offers a comprehensive AI-driven home energy ecosystem spanning residential, commercial & industrial (C&I), and utility-scale applications. The portfolio is built on a 'full modular energy storage architecture' combining hardware and software integration. Core products include the SigenStor and SigenStor Neo (residential energy storage systems), SigenStack and SigenCube (C&I modular storage), and SigenTerra (utility-scale storage). These are complemented by inverters ranging from micro inverters to 506kW utility-scale PV inverters, EV charging solutions including bidirectional DC chargers (SigenStor EV DC) and AC chargers, the SigenFlux heat pump, and SigenMate plug-and-play systems. All products are unified under Sigenergy's 'AI in All' strategy, managed through the mySigen App featuring SigenAgent—the industry's first all-domain AI agent—enabling autonomous optimization of solar generation, battery storage, EV charging, and heat management. The ecosystem also includes the Sigen Cloud platform for monitoring and the Sigen Developer Portal for third-party integrations.

Differentiator

Problem solved

Functional benefit

Brands

• SigenStor: Residential energy storage system - 5-in-1 integrated home energy solution
• SigenStor Neo
• SigenStack
• SigenMate
• SigenFlux
• Sigen EVAC G2
• SigenCube
• SigenTerra
• SigenAgent
• mySigen App
• Sigen Cloud
• SigenCare

Products and services

• SigenStor (incl. SigenStor Neo) Flagship 5-in-1 residential energy storage system integrating PV inverters, battery packs, EV chargers, heat pump controllers, and an EMS in a single modular unit. Supports bidirectional charging and AI-driven energy management through the mySigen App; intended for homeowners seeking integrated solar, storage, EV charging, and energy optimization.
• SigenStack Modular DC-coupled energy storage solution for commercial, industrial, and utility-scale applications. Reduces complexity by integrating PV and storage via a single inverter and is scalable from small commercial deployments up to 25 MWh systems.
• SigenCube Cabinet-style modular C&I storage solution for flexible deployment in medium-to-large commercial and industrial installations, designed for scalability and ease of integration with Sigenergy inverters.
• SigenTerra Utility-scale storage system designed for large solar projects, paired with high-capacity PV inverters (506 kW) for grid-scale energy storage; TÜV SÜD bankability-validated for utility-scale deployment and project financing.
• SigenMate (incl. SigenMate 2700 Ultra) Plug-and-play residential energy storage system for small and medium-sized homes and apartments. Features up to 4,000 W PV input, 3,600 W dual AC output, IP66 rating, AI-driven energy management via mySigen App, and battery capacity scalable up to 18 kWh per tower.
• Sigen Hybrid Inverter

Quantifiable outcome

• Reduces electricity costs by up to 50% at some operational sites in dynamic electricity pricing markets
• +5 more outcomes

Named customers5 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

AI capability8 records

Feature7 records

Partnerships

14 partnerships are on record, tiered core, flagship and minor.

• EnBWcoreStrategic or Co-development Partner · 18 June 2026German energy company partner in research project testing DC-coupled commercial battery storage at Widderstall, Germany. Project uses 252 kWh system with Sigenergy's hybrid inverters to assess efficiency improvements and grid connection benefits.
• ZSW (Center for Solar Energy and Hydrogen Research Baden-Wuerttemberg)coreStrategic or Co-development Partner · 18 June 2026Research partner in DC-coupled storage project testing how DC coupling can reduce material use, improve system efficiency, and ease network connection constraints. Also exploring DC-side metering influence on Germany's MiSpeL regulatory framework.
• Hydro QuebecflagshipStrategic or Co-development Partner · 18 June 2026First utility in North America to certify Sigenergy's bidirectional charging solution for V2G applications, representing a significant milestone for the emerging V2X technology.
• SunGift SolarcoreImplementation/ SI/ Consulting Partner · 26 May 2026UK-based solar installer partnership for the 1.73MWp solar installation at Numatic International's Somerset manufacturing facility, featuring 14 hybrid inverters and 2,672 high-efficiency solar panels across five acres.
• SolarSaverflagshipChannel Partner/ Reseller/ Distributor · 8 May 2026Strategic partnership to deliver capex-free solar solutions to businesses across Africa. SolarSaver's 'rent the sun' model eliminates upfront capital requirements. Alliance leverages SolarSaver's 140MW managed portfolio and $60 million in recent international investment, backed by a 100 MWh corporate agreement. Projects already delivered at safari lodges, game ranches, and farms across South Africa, Namibia, Zambia, and Botswana.
• SIAACcoreChannel Partner/ Reseller/ Distributor · 8 May 2026African distribution network partner in the capex-free solar partnership with SolarSaver, addressing commercial power needs across the continent.
• Fáilte SolarminorChannel Partner/ Reseller/ Distributor · 3 May 2026UK distribution partner participating at Solar & Storage Live London 2026, showcasing Sigenergy's smart energy portfolio.
• Artisan ElectricsminorImplementation/ SI/ Consulting Partner · 3 May 2026UK installer partner presenting real-world commercial SigenStack deployment on the Commercial Stage at Solar & Storage Live London 2026.
• Government of India (evaluating)coreStrategic or Co-development Partner · 28 April 2026Discussions underway with government bodies in Maharashtra, Gujarat, Andhra Pradesh, Odisha, and Tamil Nadu regarding local production initiatives for planned $150-200 million manufacturing facility with 10-20 GW capacity.
• ArausolcoreImplementation/ SI/ Consulting Partner · 13 April 2026German PV specialist and EPC partner for Germany's largest DC-coupled PV plant in Weissach im Tal. Project combines 11.6 MWp solar capacity with 20 MWh battery storage using 1,660 Sigenergy battery modules. Grid connection scheduled for July 2026.
• MemodocoreChannel Partner/ Reseller/ Distributor · 13 April 2026German distributor partner for the utility-scale project in Germany, serving as the distribution channel for Sigenergy products in the European utility-scale market.
• Simai Technology GroupcoreChannel Partner/ Reseller/ Distributor · 20 February 2026Romanian certified general distributor for SIGENERGY, SOLIS, VAP DYNESS EUROPE brands. Claims over 23% market share in Romania's Green House program with over 2,000 kits signed with SIGENERGY and 300+ commercial and industrial projects completed across Europe.
• The Mobility House EnergycoreStrategic or Co-development Partner · 17 December 2025Joint white paper partnership on bi-directional charging technologies titled 'Fundamentals and Applications of Bi-Directional Charging.' Draws on first-mover commercial V2G deployment experience across Europe and highlights Vehicle-to-Everything (V2X) capabilities for energy flexibility and grid stability.
• Trakia MT Ltd.coreChannel Partner/ Reseller/ Distributor · 3 June 2025Bulgarian solar company partner for the 20 MWh commercial and industrial battery energy storage system, using 90 Sigenergy C&I hybrid inverters combined with SigenStack modular storage solution at a solar farm in Malko Tarnovo, Bulgaria.

Scale indicators19 records

Recent moves9 records

Expansion highlights6 records

Direct peers

• Sungrow Power Supply: Chinese-headquartered global leader in PV inverters and energy storage systems serving residential, C&I, and utility segments. Comparable product portfolio across hybrid inverters, battery storage, and DC-coupled systems, making it Sigenergy's closest Chinese competitor.
• Tesla Energy: Tesla's energy business (Powerwall, Megapack, Solar Roof) is the most direct competitor in residential and utility-scale energy storage. Both companies pursue integrated AI-driven home energy management with hardware-software bundles, though Tesla has deeper U.S. brand recognition and longer operating history.
• Enphase Energy: U.S.-based leader in microinverters and IQ Battery residential storage systems with strong installer ecosystem. Competes head-to-head with Sigenergy in residential solar-plus-storage in markets like Australia and Europe.
• BYD Energy Storage: BYD's energy storage division offers residential, C&I, and utility-scale battery systems including the Battery-Box product line. Operates with vertical integration from cell to system, comparable to Sigenergy's Nantong facility and integrated architecture.
• SolarEdge Technologies: Israel-based provider of DC-optimized inverter systems and residential battery storage. Competes with Sigenergy in residential solar-plus-storage and is also a public company facing similar channel-partner dynamics with installers.
• Huawei Digital Power: Huawei's smart PV and energy storage business is a major competitor in residential and utility markets, including AI-optimized energy management. Sigenergy's CEO Tony Xu is a former Huawei executive, and the two compete directly in Asian, European, and emerging markets.
• Deye Inverter: Chinese manufacturer of hybrid inverters, microinverters, and energy storage systems competing globally in residential and C&I segments. Co-leading the Q1 2026 residential storage market growth alongside Sigenergy with comparable pricing and integrated product approach.
• Fox ESS: Chinese-headquartered manufacturer of hybrid inverters and residential/C&I energy storage systems. Co-listed as one of the three leading vendors in the Q1 2026 residential storage market alongside Sigenergy and Deye, making it a near-direct peer in stackable DESS.

Emerging players

• Generac Power Systems: U.S.-based generator and clean energy storage company expanding into residential battery and solar+storage. Overlaps with Sigenergy in residential backup power and energy storage but with stronger North American brand presence and grid-services capability.

Broad incumbents

• SMA Solar Technology: German-headquartered global inverter and energy management company with broad utility, commercial, and residential offerings. A broad incumbent rather than direct stackable-DESS peer, but competes with Sigenergy in European C&I and utility-scale markets where Sigenergy is expanding.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat7 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/SigenergyGlobal
• YouTubeyoutube.com/@SigenergyGlobal
• Facebookfacebook.com/sigenergytechnology
• LinkedInlinkedin.com/company/sigenergy
• Instagraminstagram.com/sigenergy_global

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds3 records

Investors9 records

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 Sigenergy