Mapping China’s Renewable Energy Giants: Who’s Who Behind the Supply Chains

Vertical integration not only impacts pricing and quality, but also dictates project support, bankability, and after-sales response.

China’s renewable energy suppliers show a clear coastal concentration with inland technology hubs:

Battery cell and pack manufacturers are primarily located along the southeastern coast — notably in Guangdong, Fujian, and Zhejiang — close to export ports and core manufacturing zones.

ESS (Energy Storage System) and C&I solution providers are clustered in the Greater Bay Area (Shenzhen, Dongguan), forming an integrated smart energy solution ecosystem.

Wind turbine companies have a presence in Chongqing and Jiangsu, leveraging heavy industry bases and strong provincial support.

Microgrid and energy management platform developers are based in Beijing, Chengdu, and other inland cities, close to R&D resources and pilot project sites.

This article maps out China’s renewable energy players through a parent–subsidiary lens, helping overseas buyers, developers, and investors better navigate the sources behind their products.

1. Battery Cell → Packs → Energy Storage Systems (ESS)

• CATL (Contemporary Amperex Technology Co. Ltd.)

Subsidiary: Ampace — C&I cabinet ESS (Export: SEA, EU)

Integration: From lithium mining to grid-scale ESS

• BYD

Division: BYD Battery Division

Notable: Blade Battery (LFP), Battery-Box residential ESS

• EVE Energy

Subsidiary: ZEC — Telecom & container ESS

Known for: Cylindrical and pouch cells, mid-sized projects

• Gotion High-Tech (Part-owned by VW)

Division: Gotion Global — LFP cabinets for export

2. Solar Cells → Modules → PV Systems

• LONGi Green Energy

Divisions: LONGi Solar, LONGi Hydrogen

Known for: Mono wafers, utility PV EPC

• JinkoSolar

Division: Jinko ESS — Bundled PV+Storage systems

• Trina Solar

Subsidiaries: TrinaStorage, TrinaSmart

Known for: Smart PV + Energy management platforms

3. Wind Turbines → Clean Energy Systems

• Goldwind

Divisions: Goldwind O&M, Goldwind Global

Solution: Full wind + EMS + long-term service

• Envision Energy

Subsidiaries: EnOS (AIoT), Envision ESS

Platform: Smart turbine + energy orchestration

• Mingyang Smart Energy

Focus: Offshore wind + hydrogen integration

4. C&I Integrated Solutions & Microgrids

• CHINT Group

Subsidiary: Astronergy (modules + system packages)

Offering: Smart microgrids, C&I ESS, EMS

• Hopewind Electric

Divisions: Hopewind PCS, Hope ESS

Specialties: Power conversion, hydrogen, C&I integration

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