Tamesol

What Tamesol does

Tamesol is a Barcelona-headquartered European solar PV manufacturer founded in 2007 that designs and produces high-efficiency photovoltaic modules under the TOPSUN brand using N-Type TOPCon cell technology, alongside premium photovoltaic cells (M-Series) and prefabricated solar kits combining panels, inverters, batteries, and mounting structures. Its three flagship module series — TOPSUN Monofacial White Backsheet (415–640 WP, up to 22.95% efficiency), TOPSUN Bifacial All Black (415–585 WP, up to 22.70% efficiency), and TOPSUN Bifacial Double Glass (450–750 WP, up to 24.14% efficiency) — target utility-scale, commercial, and residential solar developers, with the M-Series cells sold both as inputs to other module manufacturers and as standalone components.

The company runs an annual production capacity of 10 GW across manufacturing facilities in China (Jinan, Shandong) and the Philippines (Panabo, Davao del Norte), with the Philippines facility specifically positioned to serve the US market. Beyond hardware, Tamesol operates a services arm covering Battery Energy Storage System (BESS) integration, repowering of 8–15 year-old PV plants, AI-driven technical asset optimization, and full-scope solar development (licensing, financing, EPC, grid connection, and O&M). Reported cumulative reach includes 20+ million modules installed and 50+ GW of installed capacity across more than 50 countries, supported by ISO 9001/14001, OHSAS 18001, IEC 61215/61730, and CE certifications.

Tamesol's commercial model is built primarily on B2B hardware sales executed through its Solar Partner Program — a global network of authorized and exclusive distributors granted geographic territory protection, technical engineering support, and brand backing — supplemented by direct enterprise field sales for large-scale PV plant projects, repowering engagements, and asset optimization services. The company also offers two structured investment products (PV development from a EUR 30,000 minimum at a 24-month tenor with a 20% annual return, and PV plant operation at a 25-year tenor with a 10% annual return) that effectively turn Tamesol into an issuer of yield-bearing solar instruments. The legal entity is TAMESOL building a green future SL, a privately held Spanish SL with no disclosed parent, institutional funding rounds, or revenue figures.

Name

Tamesol

Legal name

TAMESOL building a green future SL

Website

https://tamesol.com

Company type

Private

Founded year

2007

Operating status

Operating

Headcount range

11–50 employees

Short description

Tamesol is a Barcelona-headquartered European solar PV manufacturer producing N-Type TOPCon modules, solar cells, and complete solar kits for solar developers, distributors, and asset owners across more than 50 countries, with manufacturing in China and the Philippines.

Ownership category

akta.pro rank

Product category

Solar Photovoltaic Module Manufacturing

akta.pro primary industry

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

akta.pro secondary industries

Solar PV Module & Cell Manufacturing (Crystalline, Thin-Film) (EUAMAHAA), Solar Distribution & Wholesale Supply (Channel, Procurement, Logistics) (EUAMABAK), Solar Inverters, Power Optimizers & MLPE Manufacturing (EUAMAHAB)

Keywords

• Solar PV modules
• Photovoltaic manufacturing
• N-Type TOPCon modules
• Solar energy solutions
• PV plant optimization

Headquarters

HQ city

Barcelona

HQ country

Spain

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. PV Modules Sales: Sale of high-efficiency photovoltaic modules including TOPSUN monofacial, bifacial, and all-black series using N-Type TOPCon technology
2. Solar Cells Sales: Sale of premium photovoltaic cells including N-Type and PERC technologies to other module manufacturers
3. Solar Solutions/Kits: Complete solar kits including panels, inverters, batteries, and structures for residential, commercial, and off-grid projects
4. PV Plant Optimization Services: Engineering services for solar asset optimization including repowering, energy storage integration (BESS), and technical advisory for existing solar plants
5. Solar Development: Development and promotion of solar power plants, handling licensing, financing, EPC, grid connection, and O&M throughout operational life

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels7 records

Core offering

Tamesol manufactures and sells high-efficiency photovoltaic (PV) modules built on N-Type TOPCon cell technology (TOPSUN monofacial and bifacial series), photovoltaic cells, and complete solar kits integrating panels, inverters, batteries, and structures. The company also delivers professional services including battery energy storage integration (BESS), repowering of aging PV plants, and technical asset optimization for solar developers, asset owners, and distributor partners across more than 50 countries.

Product overview

Tamesol is a European solar energy company offering a comprehensive portfolio of photovoltaic products and services. The core product line consists of TOPSUN PV modules using N-Type TOPCon technology in three variants: Monofacial White Backsheet (415-640WP), Bifacial All Black (415-585WP), and Bifacial Double Glass (450-750WP). Supporting the module lineup are M-Series photovoltaic cells (M183, M182, M210 variants) manufactured in the Philippines. Complete solutions include Solar Kits (prefabricated packages with panels, inverters, batteries, structures) and advanced integrated systems combining storage, monitoring, and smart management. Services encompass energy storage integration (BESS), PV plant repowering, and technical asset optimization. The company operates through a global Solar Partner distribution network and serves customers in 50+ countries from headquarters in Barcelona, Spain, with manufacturing in China and the Philippines.

Differentiator

Problem solved

Functional benefit

Products and services

• TOPSUN Monofacial White Backsheet PV Module N-Type TOPCon monofacial PV module with white backsheet, power range 415–640WP, module efficiency 22.28–22.95%, 15-year product warranty and 30-year power warranty. Designed for utility-scale, commercial, and residential solar installations requiring high-efficiency monofacial modules.
• TOPSUN Bifacial All Black PV Module Bifacial N-Type TOPCon PV module with all-black aesthetic components (backsheet, frame, cells, welds), power range 415–585WP, efficiency 22.28–22.70%, generating energy from both sides. Targeted at residential and commercial projects where design integration matters.
• TOPSUN Bifacial Double Glass PV Module Bifacial double-glass N-Type TOPCon PV module capturing energy from both sides, power range 450–750WP, module efficiency up to 24.14%, delivering 10–30% additional energy production via rear-side reflection, with 25-year product and power warranty. Aimed at large-scale and high-performance projects.
• M-Series Photovoltaic Cells Premium photovoltaic cells in monofacial and bifacial variants, available in PERC and N-Type technologies with multi-busbar configurations (12BB–18BB). Models include M183-16BB, M182-10BB, M182-11BB, M210-12BB, M182.2-16BB, M210-18BB, and M210-16BB. Sold to module manufacturers and integrators for use in PV module assembly.
• Complete Solar Kits Prefabricated turnkey solar kits integrating Tamesol PV modules, inverters, batteries, and mounting structures, designed for rapid installation and maximum reliability. Suitable for residential, commercial, industrial, and off-grid self-consumption projects, distributed via the Solar Partner network.
• Energy Storage Integration (BESS) Services Engineering-led Battery Energy Storage System (BESS) integration services that stabilize solar production, improve grid flexibility, and generate additional revenue via peak shaving, demand response, and AI-powered tariff optimization. Delivered for solar plant operators, asset owners, and investors.
• PV Plant Repowering Services Modernization service upgrading existing 8–15-year-old solar plants with high-efficiency N-Type TOPCon modules to significantly increase energy production, extend operational lifespan, and improve ROI. Targeted at plant operators and investors with aging assets.
• Technical Asset Optimization Services Comprehensive engineering diagnostics and AI-driven optimization strategies that identify performance losses in operating solar plants and implement technical improvements to maximize efficiency. Delivered to solar plant operators and asset owners.

Quantifiable outcome

• 20+ million solar modules installed globally across 50+ countries
• +5 more outcomes

Named customers6 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• Solar Partner NetworkcoreChannel Partner/ Reseller/ DistributorTamesol's Solar Partner Program is a core distribution channel. Partners receive technical engineering support, exclusive geographic territory protection, official website listing, brand marketing support, and access to high-efficiency N-Type TOPCon modules. Partners benefit from Tamesol's 18+ years of experience, 20+ million installed panels, and European quality standards.

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Risen Energy: Mid-tier Chinese PV module manufacturer with Titan series N-Type TOPCon modules. Comparable as a similar-scale mid-tier module maker focused on utility and C&I markets with global distribution.
• REC Group: European-focused PV module brand (Norway-headquartered) with Alpha and N-Peak N-Type series targeting premium residential and C&I segments. Comparable on European brand positioning and premium residential focus.
• JinkoSolar: Global tier-1 solar PV module manufacturer with N-Type TOPCon product lines at multi-tens-of-GW scale. Directly comparable as a PV module manufacturer targeting utility, C&I, and residential customers worldwide.
• Trina Solar: Vertically integrated tier-1 PV module and cell manufacturer with Vertex N-Type TOPCon modules at very large scale. Most directly comparable on technology (TOPCon) and product portfolio overlap.
• LONGi Green Energy: World's largest monocrystalline silicon wafer and module producer, with Hi-MO series including TOPCon variants. Comparable as a manufacturer of high-efficiency crystalline silicon PV modules with global distribution.
• JA Solar Technology: Tier-1 PV module manufacturer with DeepBlue TOPCon series covering utility, C&I, and residential segments. Directly comparable on TOPCon technology and product segmentation.
• Canadian Solar: Top-5 global PV module manufacturer with N-Type TOPCon modules (HiKu6/HiKu7) and global project development arm. Comparable on both module manufacturing and utility-scale solar project development services.
• Hanwha Q Cells: Korean-headquartered PV module manufacturer with strong European presence and Q.TRON series based on N-Type technology. Comparable as a non-Chinese-origin module brand competing in European utility and residential markets.
• Maxeon Solar Technologies: Premium PV module manufacturer (SunPower spinoff) with IBC cell technology targeting residential and C&I rooftops. Comparable as a premium non-Chinese module brand competing for European residential and commercial projects.
• Talesun Solar: Chinese PV module manufacturer with N-Type TOPCon modules and similar international distribution via channel partners. Comparable as a similar-scale international mid-tier module producer.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/tamesol
• LinkedInlinkedin.com/company/tamesol
• Instagraminstagram.com/tamesol_?igsh=cXk4eTRmbGxyNzJ4

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Tamesol