Aton Energy

What Aton Energy does

Aton Energy is a vertically integrated clean energy developer and equipment manufacturer founded in 2008, operating from its UK-incorporated entity (Aton Energy Limited) with European headquarters in London and Asian manufacturing capability through its A-SUN brand in China. The company develops, finances, constructs, and operates utility-scale solar PV projects and grid-scale battery energy storage systems (BESS) across the UK, France, Belgium, and Italy. Core technology centers on A-SUN solar modules manufactured in Asia with stated cell efficiency above 20%, CSTB-certified Building-Integrated Photovoltaics (BIPV), and standalone battery storage assets up to 50MW in capacity.

The company's business model combines project development (one-time revenue from project sales, power generation, and long-term PPAs), managed services revenue from battery storage assets providing grid services and frequency regulation, professional services for C&I energy efficiency including LED retrofits and smart building deployments, and hardware sales of residential solar kits (over 5,000 kits sold totaling 15MW in France). GTM is enterprise field sales targeting utilities, C&I operators, and landowners via direct project development rather than channel resellers. Cumulative installed capacity reached 200MWp by 2015, with a stated forward pipeline of 500MW PV and 300MW battery storage by 2020.

Milestones include building the UK's first 1MW solar project (2010), the largest UK solar farm at the time at 30MWp (2014), the UK's largest utility-scale battery storage at 50MW (2018, Glassenbury/Suffolk with Gresham House), and a 29MW utility-scale plant at Elms Farm displacing 50,000 metric tons of CO2 annually. The company is private with no disclosed funding rounds, founder-led ownership, 11-50 employees, and operates through regional subsidiaries Aton Energy Europe and Aton Energy Asia alongside the A-SUN manufacturing brand.

Name

Aton Energy

Legal name

Aton Energy Limited

Website

https://aton-energy.com

Company type

Private

Founded year

2008

Operating status

Operating

Headcount range

11–50 employees

Short description

Aton Energy is a vertically integrated clean energy developer founded in 2008 that develops, finances, and operates utility-scale solar PV and grid-scale battery storage projects across the UK, France, Belgium, and Italy using its proprietary A-SUN solar module brand manufactured in China.

Ownership category

akta.pro rank

Product category

Solar Energy and Battery Storage Systems

NAICS

Solar Electric Power Generation (221114), Battery Manufacturing (33591), Electric Power Generation, Transmission and Distribution (2211)

SIC

Electric Services (4911), Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System) (EUAMABAB)

akta.pro secondary industries

Energy Storage Components for Renewables Manufacturing (BESS Packs, PCS, Thermal Management) (EUAMAHAI), Battery Modules & Packs (Industrial/Commercial pack assembly) (IMAGAHAB), C&I Onsite/Behind-the-Meter Energy Supply (Solar, CHP, Microgrids) (EUAGACAJ)

Keywords

• Solar PV systems
• Battery energy storage
• Utility-scale renewables
• Building-integrated photovoltaics
• Clean energy project development

Headquarters

HQ city

Hong Kong

HQ country

Hong Kong SAR China

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Solar Project Development: Development, financing, and construction of utility-scale solar PV projects. Revenue generated from project sales, power generation, and long-term PPAs.
2. Battery Storage Assets: Creation and operation of grid-scale electricity storage assets for grid services, frequency regulation, and renewable integration.
3. Energy Management Services: Commercial and industrial energy efficiency solutions including LED retrofits and smart building technologies.
4. Residential Solar Kits: Sale of residential solar kit products, with over 5,000 kits sold totaling 15MW in France.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

Aton Energy develops, finances, manufactures, and builds clean energy projects across solar PV and battery storage. Its portfolio includes proprietary A-SUN solar modules manufactured in Asia (150MW+ capacity, >20% cell efficiency), CSTB-certified BIPV systems, and grid-scale battery energy storage assets. The company operates an integrated model spanning utility-scale project development, C&I energy solutions, and energy management technology for Europe and Asia.

Product overview

Aton Energy is a clean energy technology company offering an integrated portfolio of renewable energy solutions. The core offering spans three interconnected product areas: Energy from Renewables (featuring A-SUN branded solar panels manufactured in Asia with over 20% cell efficiency), Advanced Energy Storage (grid-scale battery systems including the UK's largest 50MW standalone battery), and Energy Management (smart energy solutions for commercial and industrial facilities). The company develops, finances, and builds projects across Europe, with a current pipeline of 500MW of utility-scale PV and 300MW of battery storage.

Differentiator

Problem solved

Functional benefit

Brands

• A-SUN: Solar panel brand manufactured by Aton Energy with production facilities in China. A-SUN panels have achieved over 20% solar cell efficiency. Production capacity reached 150MW in China.

Products and services

• Energy from Renewables (Solar PV Solutions) Solar photovoltaic (PV) energy generation solutions for utility and commercial customers, featuring A-SUN branded solar panels with cell efficiency exceeding 20%. Covers utility-scale solar farm development and commercial/industrial solar deployments.
• Advanced Energy Storage Grid-scale battery energy storage solutions including standalone battery projects and storage systems integrated with renewable energy assets, providing grid services, frequency regulation, and renewable energy integration.
• Energy Management Solutions Smart energy management solutions for commercial and industrial facilities, focusing on energy efficiency, demand optimization, LED lighting retrofits, smart building technologies, and cost reduction.
• A-SUN Solar Panels Proprietary solar panel brand manufactured in Asia with production capacity of 150MW, featuring high-efficiency solar cells exceeding 20% efficiency. Sold and deployed across utility-scale solar projects.
• BIPV System (Building-Integrated Photovoltaics) Building-integrated photovoltaics system with CSTB certification, designed for seamless integration into building architecture as construction materials.
• Residential Solar Kits Residential solar kit products sold to individual homeowners in France for household solar energy generation. Over 5,000 kits sold totaling 15MW.

Quantifiable outcome

• 50,000 metric tons CO2 displaced annually by 29MW plant
• +2 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Three partnerships are on record, tiered core.

• A-SUNcoreTechnology or IntegrationAton Energy's proprietary solar module brand manufactured in China with 150MW+ production capacity. The A-SUN modules have achieved over 20% cell efficiency and are used across utility-scale projects.
• European Strategic PartnerscoreStrategic or Co-development PartnerPartnerships with European entities for clean tech deployment including technology supply and market expansion across UK, France, Belgium, and Italy.
• Asian ManufacturerscoreOEM/ Whitelabel/ Licensing PartnerStrong manufacturing capability in Asia to supply sustainable and innovative solar technologies to the European market.

Scale indicators10 records

Recent moves10 records

Expansion highlights5 records

Others

• Trina Solar: Trina Solar manufactures high-efficiency PV modules globally and competes in the same high-volume utility-scale panel supply market as Aton's A-SUN brand.
• JinkoSolar: JinkoSolar is one of the world's largest solar module manufacturers, comparable to Aton's A-SUN brand in supplying high-efficiency PV modules to European utility-scale developers and distributors.

Broad incumbents

• Statkraft: Statkraft is Europe's largest generator of renewable energy, operating across hydro, wind, solar and flexibility markets including battery storage. It overlaps with Aton in European solar development and grid-scale storage services.
• EDF Renewables: EDF Renewables is the global renewable arm of EDF, active in utility-scale solar, onshore wind and battery storage across Europe and beyond. While broader in scope and deeper in capital, it competes for the same utility-scale solar and storage tenders Aton targets.

Direct peers

• Lightsource BP: Lightsource BP is one of Europe's largest utility-scale solar developers and active in battery storage, with a multi-country footprint overlapping Aton Energy's UK and broader European pipeline of utility solar and BESS projects.
• Solarcentury (now part of Statkraft): Solarcentury developed and built utility-scale solar projects across the UK, Spain, the Netherlands and Africa, and historically integrated BIPV — closely matching Aton Energy's UK-centric utility-scale solar and BIPV activities.
• RES (Renewable Energy Systems): RES is a global renewable energy developer and EPC contractor active in solar, storage and grid services across Europe, the Americas and Australia — directly comparable to Aton Energy's development-financing-construction model.
• BayWa r.e. BayWa r.e. develops, builds and operates utility-scale solar and wind farms plus battery storage across Europe with international project pipelines — directly comparable in scope, geography and integrated business model.
• Fluence Energy: Fluence is a leading global provider of grid-scale battery energy storage systems and software, directly comparable to Aton Energy's 50MWh UK BESS deployment and 300MW storage pipeline.

Emerging players

• Sungrow: Sungrow supplies PV inverters and battery energy storage systems used in utility-scale and C&I projects globally, overlapping with the equipment layer that supports Aton's solar and storage deployments.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/AtonEnergyLtd
• LinkedInlinkedin.com/company/aton-energy-limited

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries3 records

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 Aton Energy