About TOPON

Hunan TopOnenergy Co., Ltd. — a one-stop photovoltaic solution provider founded by veterans of China's PV industry, serving global B2B customers with custom modules, residential storage kits, and turn-key PV manufacturing capacity.

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2023
Founded in Changsha, China
US$15M
Registered capital
5GW
HJT cell & module capacity planned
10GW
Turn-key projects delivered by core team
US$700M
Projected annual output at full capacity
Who we are

A young company, backed by 20 years of PV-industry depth

Hunan TopOnenergy Co., Ltd. was founded in March 2023 with a registered capital of US$15 million. We are an emerging one-stop photovoltaic solution provider in China, led by experienced experts from the Chinese photovoltaic industry and financial elites, and we hold core technologies for today's leading solar architectures — HJT, XBC and tandem cells.

Our core team brings more than 20 years of experience across the semiconductor and photovoltaic value chain, and has already delivered 10GW of overseas turn-key projects — from factory consulting and design to equipment supply, ramp-up and operation & maintenance.

HJT TOPCon XBC Tandem Custom-shaped modules Residential energy storage
What we do

Four integrated business lines

From a single custom module to a complete PV factory, TOPON delivers products, systems and production capacity under one roof.

PV power plants

Utility-scale and distributed plants under EPC, EPC+F, supply-chain, BOT and BOO models.

Household PV systems

Pre-engineered solar-plus-storage kits that let homeowners cut bills or sell power back to the grid.

Energy storage

Li-ion battery systems for PV, wind, grid-side and commercial & industrial applications.

PV industry chain

Turn-key wafer, cell and module factories — consulting, design, equipment, ramp-up and O&M.

Track record

Factories delivered across two continents

The TOPON core team has delivered 10GW of turn-key PV manufacturing capacity — full-industry-chain and module factories, from site concept to first output.

Overseas projects

  • Ankara, Türkiye2GW

    Full-industry-chain PV factory (ingot to module).

  • Middle East2.5GW

    PV full-industry-chain detailed design plus 2.5GW module factory.

  • Adana, Türkiye600MW

    Module factory.

  • Kayseri, Türkiye600MW

    Module factory.

  • Konya, Türkiye500MW

    Module factory.

  • Istanbul, Türkiye1GWh

    Lithium storage module and pack production line.

Domestic projects

  • Yancheng, Jiangsu, China3.5GW

    TOPCon PV cell factory.

What a turn-key project includes

  • ✓Consulting — technical route selection, equipment specification, CAPEX/OPEX and financial modelling.
  • ✓Design — facility, utility and production-line design with AGV, MES and intelligent warehousing.
  • ✓Construction — equipment delivery, installation, integrated commissioning and trial production.
  • ✓Ramp-up — from first product to full production within three months, with staff training.
  • ✓O&M — line diagnosis, spare parts, process improvement, cost reduction and certification support.
Leadership

Engineers and financiers, building solar capacity

The company was founded by PV-industry veterans and financial elites — the same people who built and operated GW-scale factories across China, Türkiye and the Middle East.

WL
Dr. Walter Liu
CEO & CTO
  • ✓17 years in the PV industry; Master of Materials Science and PhD in Advanced Manufacturing.
  • ✓Designed, built and operated multiple GW-level PERC, TOPCon and HJT production lines.
  • ✓Former CTO of a large Chinese PV company.
JW
John Wong
Chairman
  • ✓10 years in investment and financing; graduated from the University of Melbourne.
  • ✓Former general manager of a private-equity company under a Chinese state-owned group.
  • ✓Supported the industrialization and financing of multiple technology companies.

Our core team spans PhDs, masters and senior engineers across solar-cell R&D, production, project management and finance.

Global footprint

Serving customers on four continents

TOPON products and turn-key services reach installers, distributors, utilities and manufacturers across Europe, the Middle East, North Africa, Latin America and China — with a growing base in Türkiye, one of our earliest partner markets.

See application scenarios →
EU
Europe
Distributors & EPCs
TR
Türkiye
Factories & partners
ME
Middle East
Industrial gas & PV
NA
North Africa
Emerging demand
LATAM
Latin America
Distributors
CN
China
HQ & manufacturing
Compliance

Certifications carried on every shipment

CE IEC 61215 IEC 61730 VDE-AR-N 4105 EN 50549 AS/NZS 4777 G98 / G99 CEI-21 CB EMC UN38.3 MSDS VFR 2014 UTE C15-712-1 NRS 097-2-1

Let's build your next project together

Send us your requirement — one business day, one matched BOM, one fixed price. Or visit our main website for the full corporate profile.