Greensun Solar Energy Tech Co.

What Greensun Solar Energy Tech Co. does

Greensun Solar Energy Tech Co., Limited is a privately held Chinese solar energy equipment manufacturer founded in 2003 and headquartered in Hefei, China. The company designs, manufactures, and exports an integrated portfolio of photovoltaic modules (N-type TOPCon, HJT, half-cut cell, bifacial double glass, mono/polycrystalline, ranging 5W to 800W), LiFePO4 lithium iron phosphate battery energy storage systems (12V to 720V, residential powerwalls through 1MW+ containerized BESS), lead-acid batteries, solar inverters (3KW-125KW), MPPT charge controllers, solar water pumps, and EV chargers. Its manufacturing footprint includes 5GW of annual PV module capacity and over 1 million lead-acid battery units per year, supported by a multi-certification compliance posture (CE, TUV, IEC, UL, CSA, CEC, INMETRO, ETL, UN38.3, ISO9001) for global market access.

Greensun operates a sales-led, B2B/B2B2C manufacturer-exporter model. The company started as an OEM supplier for tier-1 solar brands and launched its own GREENSUN brand in 2017; annual export volume scaled from $500,000 in 2017 to over $300 million, with exports now reaching 100+ countries. Revenue is generated through hardware sales of PV modules and batteries, complete solar system solutions (on-grid, off-grid, hybrid) sold on multi-year contracts with 10-25 year warranties, and OEM manufacturing services. Strategic supply partnerships with LONGI, RISEN, QCELLS, TRINA, and CANADIAN SOLAR for panels and BYD and CATL for LFP cells, together with BMS-level interoperability across Deye, Growatt, Sungrow, Sofar, Invt, Solar Ark, Solis, SMA, and Huawei inverters, enable the company to position itself as a one-stop solar+storage system integrator for residential, commercial/industrial, agricultural, and off-grid customer segments.

Name

Greensun Solar Energy Tech Co.

Legal name

Greensun Solar Energy Tech Co., Limited

Website

https://greensunpv.com

Company type

Private

Founded year

2003

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Greensun Solar Energy Tech Co. is a Hefei, China-based private manufacturer founded in 2003 that exports integrated solar PV modules, LiFePO4 battery energy storage systems, inverters, and complete solar power solutions to over 100 countries under its own brand and via OEM partnerships with tier-1 suppliers.

Ownership category

akta.pro rank

Product category

Solar Energy Equipment Manufacturing

NAICS

Battery Manufacturing (335910)

SIC

Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

Solar PV Module Manufacturing (Cells, Modules, Thin-Film) (EUAMABAD)

akta.pro secondary industries

Solar Inverters, Power Electronics & MLPE (String/Central Inverters, Optimizers, Microinverters) (EUAMABAE), Solar Plant Components Supply & Manufacturing (Modules, Cells, Wafers, Mirrors, Heliostats) (EUACAGAK)

Keywords

• Solar photovoltaic modules
• Lithium battery storage
• Solar power systems
• Energy storage solutions
• Solar water pumps

Headquarters

HQ city

Hefei

HQ country

China

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Solar Panel Sales: Revenue generated from manufacturing and selling PV modules including N-type TOPCon, HJT, half-cut cells, monocrystalline, polycrystalline, and bifacial double glass panels ranging from 5W to 800W.
2. Battery Sales: Sales of lead-acid batteries (AGM, GEL, OPZV, OPZS) and lithium iron phosphate batteries (12V to 720V configurations) for energy storage applications.
3. Solar Power System Solutions: Complete solar system solutions including on-grid, off-grid, and hybrid systems for residential, commercial, and industrial applications.
4. Solar Inverters and Controllers: Sales of on-grid, off-grid, and hybrid inverters along with MPPT solar charger controllers.
5. OEM Manufacturing Services: Contract manufacturing services for tier-1 solar brands, providing production capabilities for other companies' solar products.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Greensun Solar Energy Tech Co., Limited manufactures and exports solar photovoltaic modules (5W-800W range including N-Type TOPCon, HJT, half-cut cell, bifacial, mono and polycrystalline), lithium iron phosphate (LiFePO4) batteries (12V-720V, 5KWH-1MWH+), solar inverters (3KW-125KW), MPPT charge controllers, complete on-grid/off-grid/hybrid solar power systems (1KW-1MW+), EV chargers, and solar water pump systems. Products are sold under the Greensun brand and via OEM partnerships to distributors, installers, and project developers in over 100 countries.

Product overview

Greensun Solar Energy Tech Co. is a comprehensive solar energy system manufacturer and supplier founded in 2003, offering an integrated portfolio of photovoltaic and energy storage products. The product ecosystem centers on four core categories: (1) LiFePO4 lithium batteries spanning residential (12V-51.2V, 5KWH-50KWH), commercial (48V-360V, 15KWH-500KWH), and utility-scale (up to 720V, 1MWH+) configurations with modular rack-mount, wall-mount, and stackable designs; (2) Solar PV modules including N-Type TOPCon (700W-800W), HJT (400W-800W), Half-Cut Cell (210mm/182mm/166mm), and Bifacial Double Glass variants ranging 5W-750W+; (3) Complete solar power systems encompassing On-Grid, Off-Grid, and Hybrid Battery Energy Storage System (BESS) configurations scaling from 1KW residential to 1MW+ commercial/industrial plants; and (4) Complementary products including solar inverters (3KW-125KW), MPPT charge controllers, EV chargers, and solar water pump systems. The portfolio is distributed across proprietary Greensun-branded products (Stacked All-in-One G-AIO series, Rack Mount, Wall Mount, High Voltage, Container ESS), strategic partner brands (Deye inverters/batteries, Growatt, Sungrow, Sofar, Solis, SMA, Huawei), and tier-1 solar panel partnerships (LONGI Hi-MO series, RISEN TITAN/HYPER-ION, QCELLS, TRINA, CANADIAN SOLAR). All products feature intelligent BMS with CAN/RS485 communication for multi-brand inverter interoperability, supported by smart monitoring software with Bluetooth/WiFi connectivity. Production capacity reaches 5GW annually for PV modules and 1 million+ units for lead-acid batteries, with export operations spanning 100+ countries and total installed systems exceeding 120GW.

Differentiator

Problem solved

Functional benefit

Products and services

• Solar PV Modules (Solar Panels) Diverse solar photovoltaic module portfolio including N-Type TOPCon (700W-800W), HJT (400W-750W), Half-Cut Cell (210mm/182mm/166mm), Bifacial Double Glass, Full Black, Mono and Polycrystalline variants ranging from 5W to 750W+ with TUV, IEC, CE, CSA, CEC, UL certifications for residential, commercial, and industrial solar installations.
• LiFePO4 Energy Storage Batteries Comprehensive lithium iron phosphate battery lineup spanning 2V, 12V, 24V, 48V, 51.2V, up to 720V configurations for solar energy storage, UPS, telecommunications, and electric applications. Features modular rack-mount, wall-mount, and stackable designs with intelligent BMS communication compatible with major inverter brands.
• Solar Power Systems Complete solar energy system solutions encompassing Battery Energy Storage System (BESS), On-Grid, Off-Grid, and Hybrid configurations. Scales from 1KW residential to 1MW+ commercial/industrial solar power plants with 10-25 year warranty options.
• Lead Acid Batteries Traditional lead-acid battery range including AGM, GEL, OPZV, OPZS, and Front Terminal types in 2V and 12V configurations for solar storage, backup power, and cyclic applications. Annual production capacity exceeds 1 million units.
• Solar Inverters Solar power conversion products including On-Grid, Off-Grid, and Hybrid inverters ranging from 3KW residential to 125KW commercial scales. Supports grid-tied, battery backup, and energy storage applications with multiple voltage standards (110V-480V).
• Solar Water Pump Systems Solar-powered water pumping solutions available in DC and AC configurations for agricultural irrigation, pond water transfer, and remote area water supply without grid dependency.
• EV Chargers Electric vehicle charging solutions including AC EV chargers for residential and commercial applications to support sustainable transportation infrastructure.
• MPPT Solar Charge Controllers Maximum Power Point Tracking solar charge controllers supporting 48V-360V systems with 100A-200A charging current for optimized solar energy harvest and battery charging in off-grid and hybrid solar installations.
• Commercial and Industrial ESS (BESS) Large-scale commercial and industrial battery energy storage systems supporting 100KW to 1MW power ratings with 100KWH to 1MWH capacity configurations for factories, hotels, farms, and solar power stations with free design services.
• Energy Container Power Solution Utility-scale containerized lithium battery energy storage systems (BESS) with capacities from 300KWH to 2MWH, featuring 50KW-100KW PCS inverter integration for grid storage, peak shaving, and backup power applications with 12-year warranty.
• On-Grid Solar System Grid-tied solar power systems for residential, commercial, and industrial applications (2KW-1MW+) that export excess power to the utility grid with net metering capabilities.
• Off-Grid Solar System Standalone solar power systems with battery storage for areas without grid access, remote locations, islands, and forward bases. Configurations from 1KW to 500KW with complete energy independence.
• N-Type TOPCon Solar Panel Advanced N-type TOPCon bifacial solar panels with power ratings from 420W to 800W, monocrystalline high-efficiency cells, and 30-year warranty for residential and commercial solar installations.
• HJT Solar Panel Heterojunction (HJT) bifacial solar panels with power outputs from 400W to 800W, monocrystalline high-efficiency technology, double glass construction, and TUV/IEC/CE certifications with 30-year warranty.
• Powerwall Home Energy Storage Battery Residential wall-mountable home energy storage batteries (10.24KWH-50KWH) using LiFePO4 technology with Bluetooth/WiFi monitoring, supporting parallel connection up to 153.6KWH for whole-home backup applications.
• Outdoor Battery Energy Cabinet (115KWH/113KWH) All-in-one outdoor battery energy cabinet with 113KWH/115KWH lithium ion battery storage for commercial outdoor applications, integrating ESS components in a single weatherproof enclosure.
• 240KWH/250KWH Storage Cabinet All-in-One All-in-one 240KWH/250KWH lithium ion battery storage cabinet with integrated solar power solution for commercial energy storage applications.
• Stacked Household Energy Storage All-in-One (G-AIO-200) Integrated residential energy storage system combining hybrid inverter and LiFePO4 battery modules. Models include G-AIO-200-S6K (6KW/10.24-30.72kWh) and G-AIO-200-S11K (11KW/10.24-30.72kWh) with floor-mounted installation, MPPT charging, and cycle life ≥6000 at 90% DOD.
• High Voltage Lithium Battery Systems High-voltage commercial lithium battery systems (up to 600V+) with capacities from 50KWH to 600KWH for demanding C&I energy storage applications using LFP chemistry with extended cycle life.
• 48V Wall Mount Lithium Battery Wall-mounted residential energy storage batteries in 48V and 51.2V configurations with capacities ranging from 5KWH to 50KWH. Designed for home powerwall applications with easy installation and BMS protection.
• 12V Lithium Ion Battery Compact 12V lithium iron phosphate batteries (100AH-300AH) for solar energy storage, UPS systems, and backup power applications with 10-year warranty and 6000 cycle performance.
• Bifacial Double Glass Solar Module Dual-glass bifacial solar modules capturing light from both sides for increased energy yield, featuring monocrystalline cells and enhanced durability for commercial and utility-scale installations.
• Full Black PV Module Aesthetically integrated all-black solar panels with monocrystalline cells for residential rooftops where visual appearance is important, available in various power ratings.

Quantifiable outcome

• Total installed solar system capacity exceeded 120GW globally
• +3 more outcomes

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration18 records

Feature4 records

Partnerships

Eleven partnerships are on record, tiered core.

• LONGI SolarcoreTechnology or IntegrationLong-term cooperation for solar panel supply. Greensun offers Longi solar panels including Hi-MO6, Hi-MO7 series with power ranges from 400W to 600W. Longi is a tier-1 Chinese solar manufacturer.
• RISEN SolarcoreTechnology or IntegrationPartnership for Risen solar panels including HJT bifacial, Titan series, and Hyper-ion modules ranging from 400W to 700W. Risen is a tier-1 solar manufacturer.
• QCELLScoreTechnology or IntegrationLong-term cooperation for QCELLS solar panel products.
• TRINA SolarcoreTechnology or IntegrationLong-term cooperation for Trina Solar panel products.
• CANADIAN SolarcoreTechnology or IntegrationLong-term cooperation for Canadian Solar panel products.
• BYDcoreTechnology or IntegrationBattery cell supplier partnership. BYD provides lithium battery cells for Greensun's energy storage products. BYD is a leading Chinese battery and EV manufacturer.
• CATLcoreTechnology or IntegrationBattery cell supplier partnership. CATL (Contemporary Amperex Technology) is the world's largest lithium-ion battery manufacturer supplying cells for Greensun's LFP battery products.
• DeyecoreTechnology or IntegrationStrategic inverter partnership. Greensun products are compatible with and offered alongside Deye hybrid inverters (5KW-80KW), split-phase inverters for US market, and high-voltage battery systems.
• GrowattcoreTechnology or IntegrationLong-term inverter partnership. Greensun offers complete solutions with Growatt inverters including on-grid, storage, and hybrid inverters (3KW-125KW) for residential and commercial applications.
• SoliscoreTechnology or IntegrationStrategic inverter partnership. Greensun products compatible with Solis hybrid inverters including three-phase models (60KW-75KW) for commercial energy storage applications.
• SungrowcoreTechnology or IntegrationBattery and inverter compatibility partnership. Greensun's LFP battery products communicate with Sungrow inverters for energy storage system integration.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Risen Energy: Tier-1 HJT and TOPCon module manufacturer and Greensun partner; directly competes in next-generation module technology and exports.
• JA Solar Technology: Tier-1 Chinese PV module and cell manufacturer with global distribution; competes directly with Greensun across residential, commercial, and utility markets.
• Tongwei Solar: Largest solar cell manufacturer globally and an emerging module player; competes with Greensun's module offerings while also being a potential upstream cell supplier.
• JinkoSolar: Tier-1 global PV module manufacturer shipping to 100+ countries; competes head-to-head with Greensun in residential, commercial, and utility-scale module supply.
• Trina Solar: Tier-1 module manufacturer and Greensun partner for panel distribution; a direct competitor in TOPCon and bifacial module supply with global reach.
• Canadian Solar: Vertically integrated solar module manufacturer and Greensun partner; competes directly in module sales while also overlapping on project development and energy storage.
• Pylontech: Leading LiFePO4 energy storage manufacturer specializing in residential and C&I batteries; competes directly with Greensun's LFP battery lineup and integration with hybrid inverters.
• LONGi Green Energy: The world's largest mono-crystalline silicon and PV module manufacturer; a tier-1 partner of Greensun (which distributes LONGi Hi-MO series) and a direct competitor in solar panel manufacturing across the same global channels.
• QCELLS (Hanwha Q Cells): Tier-1 module manufacturer with strong North American footprint and a Greensun partner; competes directly in panel sales while Greensun's value-engineered modules target the same installer channels.

Emerging players

• Deye: Hybrid inverter and battery manufacturer and a strategic Greensun partner; the brand is increasingly competing in the same residential ESS and C&I cabinet space where Greensun sells.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCl2EpiA3sFhAfNGssDPu4LA/featured
• Facebookfacebook.com/HeFeiGreensunSolar
• LinkedInlinkedin.com/company/greensun-solar-energy-tech-co-limited

Compliance13 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

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 Greensun Solar Energy Tech Co.