Sungrow

What Sungrow does

Sungrow Power Supply Co., Ltd. (Sungrow), founded 1997 in Hefei, China and listed on the Shenzhen Stock Exchange (300274), is a vertically integrated clean-energy hardware and platform provider whose products span residential, commercial & industrial (C&I), and utility-scale PV inverter and battery energy storage system (BESS) applications. FY2025 revenue was CNY 89.184 billion (US$12.95 billion), with energy storage (PowerTitan, PowerStack, PowerKeeper) at 41.8% of revenue and overtaking PV inverters (SG, 1+X modular, Matrix, S2500S-L microinverter) at 41.8% as the largest segment; ESS revenue grew 49.39% YoY in 2025. Adjacent lines include hydrogen alkaline electrolyzers (Sungrow Hydrogen), EV charging from 22 kW AC wallboxes to the 3.5 MW ChargeStack 1000 megawatt charger, floating PV, wind converters, and the 2026-launched Pulson AI-integrated smart PV module under Sungrow Renewables. Core technologies include the Stem-Cell Grid-Forming Tech 2.0 (validated across 14 scenarios over 138 hours at a 30 MW grid simulation platform in Hefei by TÜV Rheinland), 1+X modular inverter architecture scaling from 780 kW to 9.375 MW, PowerTitan 3.0 AC block BESS (6.9 MWh per 20-foot container, 661Ah stacked LFP cells, 99.3% SiC-based PCS efficiency), PowerMatrix native PV-storage integration claiming >10% BoS and ~$120M savings on a 1 GW reference project, and the iSolarCloud operations/VPP platform paired with the PowerDoctor AI predictive maintenance layer.

Sungrow monetizes primarily through hardware sales of inverters, BESS, EV chargers, hydrogen equipment, and solar modules, complemented by engineering, procurement, and commissioning (EPC) support and ongoing operations & maintenance through its 520+ global service outlets. Pricing is quote-based and project-specific; multi-year contracts are used for enterprise/utility deployments. Go-to-market combines direct enterprise sales for utility-scale megaprojects (Masdar 7.5 GWh ESS + 2.6 GW PV for Abu Dhabi's 5.2 GW RTC project; BHP 195 MW solar + 960 MWh storage at Escondida/Spence; Atlas 200 MW/800 MWh in Latin America; ENEVO 1 GWh in Romania; Herholdt's 1,155 MWh in South Africa; Gulf Energy 531.82 MW + 209.15 MWh in Thailand) with a channel-partner and certified-installer network for C&I and residential (IBC Solar, Krannich Solar, Solar Juice, Energy Aware, Herholdt's, ARB, Summit Solar). End customer segments include utilities (primary), mining (BHP, HyIron Oshivela, Naipu), data centers, healthcare, agriculture, food distribution, and EV charging operators.

Sungrow commanded roughly 9% global energy storage market share and ranks top 2 globally among PV inverter manufacturers (Wood Mackenzie, two consecutive years), with BloombergNEF naming it the world's most bankable PV inverter and ESS company. Headcount exceeds 10,000 (6,989 R&D personnel, 40% of workforce), R&D spend reached US$444M in 2024 (+29.3% YoY), and patent applications exceed 10,000 cumulatively. Despite record top-line results, profitability is under pressure: Q4 2025 net profit declined more than 50% YoY and Q1 2026 net profit fell 40% YoY to CNY 2.3B amid intensified BESS price competition and rising lithium costs, while EU funding restrictions effective April 2026 and a pending US FCC inverter ban create material regulatory headwinds across the company's two largest geographies. The company is pursuing a Hong Kong secondary listing to fund overseas manufacturing, including a €230M European facility, as a defensive response.

Name

Sungrow

Legal name

Sungrow Power Supply Co., Ltd.

Website

https://sungrowpower.com

Company type

Public

Founded year

1997

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Sungrow Power Supply is a Hefei-based, Shenzhen-listed manufacturer of PV inverters, battery energy storage systems, EV chargers, hydrogen electrolyzers, and microgrid solutions serving residential, C&I, and utility-scale customers across more than 20 countries.

Ownership category

akta.pro rank

Product category

Solar Power & Energy Storage Equipment

NAICS

Switchgear and Switchboard Apparatus Manufacturing (335313)

SIC

Switchgear & Switchboard Apparatus (3613)

akta.pro primary industry

Solar Inverters, Power Optimizers & MLPE Manufacturing (EUAMAHAB)

akta.pro secondary industry

Renewable Distributed Generation (Rooftop/Onsite Solar, Small Wind, Small Hydro) (EUACALAJ)

Keywords

• PV inverters
• Energy storage systems
• Utility-scale solar
• Battery storage solutions
• Renewable energy equipment

Headquarters

HQ city

Hefei

HQ country

China

HQ region

Asia

Offices8 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. PV Inverters: Sungrow manufactures and sells PV inverters ranging from residential (kW) to utility-scale (4.8 MW modular inverters). In 2025, PV inverters represented approximately 41.8% of total revenue. Revenue from inverters was approximately CNY 51.9 billion (estimated based on 89.184 billion total revenue).
2. Energy Storage Systems (ESS): Battery energy storage systems including PowerTitan (utility-scale), PowerStack (C&I), PowerKeeper (C&I), and PowerHarbor (residential). ESS revenue grew 49.39% YoY to CNY 37.287 billion in 2025, representing 41.8% of total revenue and overtaking PV inverters as the largest revenue stream.
3. EV Charging: Sungrow offers EV charging solutions ranging from 22 kW AC wallboxes to 3.5 MW megawatt charging systems (ChargeStack 1000). Approximately 300 DC charging stations (120-180 kW) installed in Austria with utility EVN.
4. Hydrogen Equipment: Sungrow Hydrogen supplies alkaline electrolyzers for green hydrogen production. Recent wins include 48MW electrolyzer deal for China Coal Pingshuo project and equipment supply for ACME Group's Oman green hydrogen project.
5. Professional Services: Sungrow provides engineering, procurement, and commissioning services, operations and maintenance (O&M) through its network of 520+ service outlets globally. Services include end-to-end project execution for large-scale PV and storage projects.

Pricing tiers

Go-to-market motion4 records

Distribution channels6 records

Marketing channels7 records

Core offering

Sungrow is a global manufacturer of power electronics for renewable energy, designing and producing PV inverters (residential, commercial, and utility-scale), battery energy storage systems (BESS), modular inverters, microgrid solutions, EV chargers, and alkaline hydrogen electrolyzers. The company sells its own manufactured hardware across the solar-plus-storage value chain, complemented by its iSolarCloud monitoring platform and engineering/professional services delivered through 520+ service outlets globally.

Product overview

Sungrow is a comprehensive clean energy technology provider offering an integrated portfolio of PV inverters, energy storage systems, EV charging solutions, microgrid solutions, hydrogen equipment, and smart energy management platforms. The product architecture spans residential (PowerHarbor, MG12RL hybrid inverters, residential batteries), commercial & industrial (SG125CX-P3 inverters, PowerKeeper, PowerStack 255CS), and utility-scale segments (PowerTitan 3.0, PowerMatrix, SG510HX, 1+X Modular Inverter, Matrix Inverter). Core technology platforms include iSolarCloud for plant operations/VPP aggregation and iEnergyCharge for EV charging management. The company also offers specialized products including floating PV systems, wind converters, hydrogen electrolyzers, and MLPE solutions. The portfolio is unified through AI-driven capabilities for predictive maintenance, optimization, and anomaly detection across the entire product ecosystem.

Differentiator

Problem solved

Functional benefit

Brands

• PowerTitan: Utility-scale liquid-cooled energy storage system
• PowerStack
• PowerKeeper
• PowerHarbor
• iNexGrid
• ChargeStack
• iSolarCloud
• PowerMatrix
• 1+X Modular Inverter

Products and services

• PowerTitan 3.0 Next-generation AC block liquid-cooled energy storage system for utility-scale applications with up to 92% round-trip efficiency, 6.9 MWh capacity per 20-foot container, 99.3% PCS efficiency with SiC technology, and embedded grid-forming capabilities with 10ms voltage stabilization and 5ms inertia response. Targeted at utility-scale developers and IPPs.
• PowerTitan 2.0 Liquid-cooled utility-scale ESS using AC block design, deployed across projects in Europe, Australia, and Southeast Asia. Used in projects such as the ENEVO Romania 1 GWh BESS framework and Herholdt's Group South Africa 1,155 MWh C&I deployments. Targeted at utility-scale project developers.
• PowerMatrix Next-generation integrated PV-storage solution for utility-scale solar applications with native PV-storage integration, multi-port topology, source-level grid-forming, supports 260% PV DC/AC ratio and 200% ESS capacity. Reduces BoS costs by over 10% and saves approximately $120 million on 1 GW/8 GWh installation versus traditional AC-coupled architectures. Targeted at utility-scale solar developers.
• SG510HX Utility String Inverter Utility-scale string inverter with DC-side safety protection system validated at 4,200m altitude, redundant shutdown mechanisms, full-coverage temperature sensing, all-condition lightning protection with CGC Level 4 certification, and intelligent DC-Side Safety Management System with arc fault detection. Targeted at utility-scale PV plant developers.
• SG125CX-P3 Commercial String Inverter 125kW commercial and industrial string inverter with 98.5% conversion efficiency, Global MPPT scanning for up to 2% energy yield improvement, AFCI 3.0+ arc fault detection, and smart fault isolation with sub-20-millisecond response times. Supports system capacities up to 3 MW through parallel configuration. Targeted at C&I facility owners and EPCs.
• 1+X 2.0 Modular Inverter Modular inverter with scalable block design ranging from 780kW to 9.375MW, designed for stable full-load operation at 52°C with IP66 protection, 100-day sandstorm testing, self-cleaning air ducts, AI-driven DC-side safety management, and grid-forming capability. Targeted at utility-scale PV plant developers in harsh-environment markets.
• SG4800UD-MV-US Modular Inverter 4.8 MW modular inverter specifically designed for the North American market, combining advantages of central and string inverters with 800 kW per unit, split modular design allowing inverter module replacement in under one hour, self-cleaning air ducts, and NEMA 4X rating. Targeted at North American utility-scale developers.
• PowerStack 255CS Integrated solar-storage energy storage system for commercial and industrial applications with 257 kWh capacity in 2-hour configuration, all-in-one design integrating batteries and PCS, up to 98.6% PCS efficiency, liquid-cooled thermal management, and scalable parallel applications supporting up to 6.4 MWh. Offered in DC-coupled (new facilities) and AC-coupled (existing) configurations with VPP support. Targeted at C&I facility owners.
• PowerKeeper Modular commercial and industrial energy storage system with configurable capacities from 50 kWh to 1,000 kWh, 2.0 DC/AC ratio, and up to 1.5x higher power output. First modular C&I ESS to achieve triple UL 9540A certification at cell, module, and unit levels for thermal runaway safety. Targeted at C&I customers including warehouses, hospitals, and commercial buildings.
• PowerHarbor Residential ESS All-in-one residential energy storage system with flexible 10-30 kW power ratings and expandable battery storage up to 120 kWh, featuring modular plug-and-play architecture built on 314 Ah large-format cells, AI energy forecasting, EnergyBridge compact mini backup solution, and AI-driven control for VPP participation and dynamic electricity tariffs. Targeted at residential solar installers and homeowners.
• MG12RL Hybrid Inverter Residential hybrid inverter covering 5 kW to 12 kW power range with scalable battery options from 5 kWh to 320 kWh, 4-millisecond grid-to-off-grid switching for seamless backup power, up to 200% PV oversizing, full capacity operation up to 45°C, and integrated patented PID ZERO technology. Targeted at residential solar installers and homeowners.
• ChargeStack EV Charging Systems EV charging solutions portfolio ranging from 22 kW AC wallboxes to 3.5 MW megawatt-scale charging systems (ChargeStack 1000) for logistics depots and fleet operators. Includes deployment of approximately 300 DC charging stations (120-180 kW) with Austrian utility EVN. Targeted at EV charging network operators, utilities, and fleet electrification customers.
• iNexGrid Microgrid Solution All-scenario microgrid solution with Five-Layer System Protection architecture integrating PV, wind energy, energy storage, and EV charging. Reduces power deficits by over 80%, achieves 99.99% power reliability for mining, and can restore GW-scale plant power within one minute during grid fault collapse. Targeted at mining operators, AI data centers, and remote industrial facilities.
• Sungrow Hydrogen Alkaline Electrolyzers Green hydrogen production equipment including alkaline electrolyzers (1,200 Nm³/h units) and purification systems for industrial-scale green hydrogen production. Includes 48MW electrolyzer deal for China Coal Pingshuo 600MW solar-to-hydrogen project and equipment supply for ACME Group's Oman green hydrogen project. Targeted at industrial operators seeking green hydrogen for decarbonization (cement, chemical, mining).
• Pulson Smart PV Module AI-integrated smart PV module with self-diagnosis, self-cleaning, self-cooling, and self-rapid shutdown capabilities. First TÜV SÜD certified high-efficiency smart PV module achieving L2 'active safety intelligence' level. Self-cleaning and cooling features can increase energy generation by approximately 6%. Launched by subsidiary Sungrow Renewables.
• iSolarCloud Operations & VPP Platform Plant operations and maintenance platform enabling remote monitoring, data analytics, and fleet management for Sungrow solar and storage installations. Supports Virtual Power Plant aggregation of distributed energy resources, partnered with Frank Energy in Netherlands, Belgium, and Luxembourg for European electricity market trading. Includes iSolarCloud mobile apps for Android and iOS. Targeted at installers, asset managers, and VPP operators.
• S2500S-L Microinverter Next-generation microinverter launched for the Brazilian market, featuring high-performance Wi-Fi module with superior signal penetration for residential PV applications. Targeted at residential installers and homeowners in Latin America.
• Sungrow Professional Services Engineering, procurement, construction, commissioning, and operations and maintenance (O&M) services delivered through Sungrow's network of 520+ service outlets globally. Services include end-to-end project execution for large-scale PV and storage projects. Targeted at utility-scale developers and large C&I project owners.

Quantifiable outcome

• 99.3% maximum PCS efficiency (PowerTitan 3.0)
• +11 more outcomes

Named customers15 records

Segments7 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability18 records

Feature9 records

Partnerships

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

• Smart Commercial EnergycoreStrategic or Co-development PartnerSungrow partnered with Smart Commercial Energy to deploy its PowerKeeper commercial ESS solution for Team Medical Supplies in Australia. The installation integrates SH110CX hybrid inverter with 50 kWh PowerKeeper battery stacks alongside existing 200 kW rooftop solar. Smart Commercial Energy was recognized as Australia's leading commercial battery installer in 2025.
• SunoteccoreStrategic or Co-development PartnerSungrow and Sunotec commissioned a 150 MW/600 MWh BESS project for Enery in Nova Zagora, Bulgaria, financed through Bulgaria's RESTORE program. This marks first milestone under broader collaboration targeting up to 800 MWh in the region, with 2.2 GWh scheduled online within two months and 3 GWh expected by end of 2026.
• Masdar / Emirates Water and Electricity Company (EWEC)flagshipStrategic or Co-development PartnerSungrow signed agreement with Masdar and EWEC to supply 7.5 GWh PowerTitan 3.0 ESS and 2.6 GW PV inverters for Abu Dhabi's world-first 5.2 GW gigascale round-the-clock (RTC) renewable energy project. Combines 5.2 GW solar PV with 19 GWh BESS for uninterrupted baseload power delivery by 2027.
• Herholdt's GroupcoreChannel Partner/ Reseller/ DistributorSungrow signed landmark agreement with Herholdt's Group, its official distribution partner in South Africa, to deploy 1,155 MWh of C&I BESS across South Africa in phased deployment. Expands Sungrow's 9-year presence in South African market and addresses growing demand for flexible energy storage solutions.
• ENEVO GroupcoreChannel Partner/ Reseller/ DistributorSungrow and ENEVO Group signed 1 GWh BESS supply agreement for multiple projects in Romania. First phase comprises 440 MWh ordered earlier with delivery before December 2026, followed by additional 560 MWh. All systems use PowerTitan 2.0 liquid-cooled BESS, extending existing solar sector partnership.
• BHPflagshipStrategic or Co-development PartnerBHP signed long-term agreements with Sungrow to deploy 195 MW solar and 960 MWh battery storage at Escondida (110 MW/540 MWh) and Spence (85 MW/420 MWh) copper mining operations in Chile. Operations begin FY2029 to maintain 100% renewable electricity supply as copper production power demand increases.
• Teos EnergyminorImplementation/ SI/ Consulting PartnerTeos Energy secured Balance of Plant (BOP) role in a battery project led by Sungrow in Germany, part of Germany's expanding renewable energy and energy storage initiatives.
• Frank EnergycoreStrategic or Co-development PartneriSolarCloud (Sungrow's O&M platform) formed strategic partnership with Frank Energy to build smart dispatch ecosystem for residential solar PV and ESS in Europe. Leverages VPP technology to aggregate distributed energy resources for European electricity market trading. Users in Netherlands, Belgium, and Luxembourg benefit from optimized charging/discharging based on real-time market prices.
• BrightHy SolutionscoreChannel Partner/ Reseller/ DistributorBrightHy Solutions (subsidiary of Fusion Fuel Green) installed 2MW Sungrow Hydrogen electrolyser at Çimsa Cementos' plant in Buñol, Spain. Green hydrogen blended with natural gas in cement kilns. Part of broader Iberian Peninsula rollout agreement.
• TÜV RheinlandcoreTechnology or IntegrationTÜV Rheinland conducted conformity assessment making Sungrow first company globally to complete NB assessment under EU Battery Regulation across utility, C&I, and residential ESS. Also verified Sungrow's world's first large-scale grid-forming extreme test (14 scenarios, 138 hours) and witnessed PowerKeeper triple UL 9540A certification. Multiple joint white papers published on energy storage safety.
• Centre for CSR & Sustainability Excellence (CCSE) / Don Bosco Tech SocietyminorOthersSungrow partnered with CCSE and Don Bosco Tech Society to launch solar skill development program for youth aged 18-30 from underserved communities in Najafgarh, Delhi. Provides ~360 hours training per batch in PV installation, operations, and maintenance with certification and placement support targeting 70% employment rate.
• ACME GroupcoreChannel Partner/ Reseller/ DistributorACME Group expanding its $4.2 billion green hydrogen project in Oman's Duqm Special Economic Zone. Sungrow Hydrogen supplying alkaline water electrolysis systems as part of this major green ammonia/hydrogen development targeting 800,000 tonnes green ammonia and 142,000 tonnes green hydrogen annually by 2033.
• IBC SolarcoreChannel Partner/ Reseller/ DistributorIBC Solar is a major European distributor of Sungrow products, established since 1982. Serves European residential, commercial, and utility-scale solar markets.
• Krannich SolarcoreChannel Partner/ Reseller/ DistributorKrannich Solar is a leading European distributor (established 1995) of Sungrow PV and storage solutions across Germany and broader Europe.
• Solar JuicecoreChannel Partner/ Reseller/ DistributorSolar Juice is a key Australian distributor growing the country's clean energy future with Sungrow products, operating in the residential and C&I segments.
• Energy AwarecoreChannel Partner/ Reseller/ DistributorEnergy Aware is an Australian distributor (established 2009) driving change and building the future of renewable energy with Sungrow solutions.
• ARB Electrical WholesalerscoreChannel Partner/ Reseller/ DistributorARB Electrical Wholesalers (established 1980) serves as Sungrow's distribution partner in South Africa, supporting the country's clean energy transition across commercial and industrial sectors.
• Summit SolarcoreChannel Partner/ Reseller/ DistributorSummit Solar (established 2022) is Sungrow's distribution partner in Indonesia, empowering the country's clean energy future.
• The Energy GuruscoreChannel Partner/ Reseller/ DistributorSungrow partnered with The Energy Gurus to deploy hybrid solar and storage system for Kyto Farm in South Africa (375 kW/771 kWh). Completed November 2025, achieving approximately 120 MWh cumulative energy generation.
• EVN (Austrian Utility)coreChannel Partner/ Reseller/ DistributorSungrow has installed approximately 300 DC charging stations (120-180 kW range) with Austrian utility EVN since March 2024. Won second tender for several hundred more stations by early 2028. Supports European EV charging infrastructure deployment.

Scale indicators15 records

Recent moves8 records

Expansion highlights7 records

Direct peers

• Huawei Digital Power: Huawei's Digital Power division is Sungrow's closest and largest direct competitor in PV inverters and is co-ranked #1/#2 with Sungrow in Wood Mackenzie's global inverter ranking. Both companies are explicitly named together in the EU funding ban and compete head-to-head across utility-scale string inverters, C&I, and residential segments globally.
• Tesla (Tesla Energy): Tesla Energy is a leading global competitor in utility-scale and C&I battery energy storage (Megapack, Powerpack) and is explicitly named as Sungrow's ESS competitor (Korea Herald cites Sungrow holding ~9% global ESS market share alongside Tesla). Both target AI data center power, grid-forming services, and large-scale BESS deployments.
• Fluence Energy: Fluence is a direct competitor in grid-scale battery energy storage systems and digital energy services, with overlapping customer base (utilities, developers) and similar focus on grid-forming inverters, AI-driven optimization, and large project deployments in the US, Europe, and Australia.
• SMA Solar Technology: SMA is a German-headquartered inverter manufacturer with a comparable portfolio across residential, commercial, and utility-scale PV inverters plus storage solutions. As the European-listed incumbent, SMA is one of the few non-Chinese inverter companies competing at scale in the same product categories.
• SolarEdge Technologies: SolarEdge is a direct competitor in PV power optimization and inverter systems, particularly strong in residential and commercial segments with DC-optimized architectures. The companies compete across distributed generation markets globally.
• Enphase Energy: Enphase is a direct competitor in residential and C&I PV microinverters and battery storage (IQ8 microinverters, IQ Battery), with overlapping customer bases in distributed generation markets. Sungrow launched its S2500S-L microinverter to compete in this category.
• CATL (Contemporary Amperex Technology): CATL is one of the largest battery cell manufacturers globally and a key competitor in ESS — both supply into the same utility-scale BESS market, and CATL's vertical integration into cells (similar to Sungrow's vertical integration into inverters and storage) creates overlapping competitive dynamics and supply chain dependencies.
• BYD: BYD is a vertically integrated competitor in energy storage (Battery-Box, C&I and utility ESS), EVs, and solar modules, with comparable scale ambitions in renewable energy markets. Overlapping customer base in distributed solar plus storage markets globally.
• Power Electronics: Power Electronics is a Spanish manufacturer of solar inverters (Freemaq series) for utility-scale and C&I applications, with comparable modular inverter product lines and strong presence in Latin America, Europe, and emerging markets — competing head-to-head on mega-project bids.
• Ginlong Solis: Ginlong Solis (Solis) is a Chinese competitor ranked among the top 10 global inverter suppliers, with comparable string inverter portfolios for residential, C&I, and utility-scale markets. Competes directly with Sungrow in distributor channels globally and on price.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@SungrowNorthAmerica
• LinkedInlinkedin.com/company/sungrow-power-supply-co.-ltd
• Instagraminstagram.com/sungrow_na

Compliance14 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Subsidiaries2 records

Funding overview

Funding rounds

Investors

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

M&A

Investments14 records

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

Frequently asked questions about Sungrow