NexWafe
NexWafe GmbH is a German deep-tech company that manufactures ultra-thin monocrystalline silicon solar wafers using its proprietary EpiNex® direct gas-to-wafer epitaxy process, selling to global solar cell manufacturers under multi-gigawatt supply agreements as a Western alternative to Chinese-dominated Czochralski wafer production.
- Company typePrivate
- Founded2015
- HeadquartersFreiburg, Germany
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What NexWafe does
NexWafe GmbH is a German deep-technology company founded in 2015 as a spin-out of the Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE) in Freiburg, focused on commercializing a proprietary direct gas-to-wafer epitaxial process branded EpiNex®. The company's core product is monocrystalline silicon solar wafers produced via high-throughput in-line CVD epitaxial deposition directly from chlorosilane feedstock (TCS or STC) onto reusable seed wafers, eliminating the conventional polysilicon, Czochralski ingot growth, and wire sawing steps. The process yields ultra-thin wafers (150μm down to 50μm) with 20-40x lower oxygen content, >95% silicon utilization, and 40-70% lower energy consumption than Czochralski processing, while producing wafers qualified for HJT, TOPCon, and MWT cell architectures.
NexWafe generates revenue from hardware sales of EpiNex wafers to solar cell manufacturers under long-term supply agreements. Its go-to-market is enterprise sales-led, targeting major cell producers with multi-gigawatt contracts. Named commercial anchors include Talon PV (a ~7 GW wafer supply agreement through 2032 supporting a 4.8 GW TOPCon facility in Baytown, Texas) and Reliance Industries Limited (strategic investor with a 20 GW solar module plan at Jamnagar, India). Beyond terrestrial utility-scale, the company is pursuing adjacent verticals: space/LEO satellites (radiation-tolerant ultra-thin wafers), HAPS, and automotive VIPV.
The company is pre-commercial but in active scale-up: it broke ground on its first commercial 50 MW line at Bitterfeld-Wolfen Chemical Park in October 2023 (with plans to scale to 3 GW/a at the site), established a US subsidiary in January 2024 evaluating a 6 GW facility, and is pursuing a Saudi Arabia plant with Aramco Ventures. Headcount has grown from 24 to over 80 FTE across 18 nationalities, and cumulative equity raised exceeds €70M from strategic investors including Reliance, Aramco Ventures, ATHOS, EIT InnoEnergy, HEMMA Group, plus a German family office and high-profile individuals. The company is targeting 100 GW of global production capacity by 2030, positioning itself as a Western, non-Chinese supplier into a global wafer market projected at $30B by 2030, where China currently controls approximately 99% of the 1 TW of conventional capacity.
NexWafe firmographics
Firmographics- Name
- NexWafe
- Legal name
- NexWafe GmbH
- Website
- https://nexwafe.com
- Company type
- Private
- Founded year
- 2015
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- NexWafe GmbH is a German deep-tech company that manufactures ultra-thin monocrystalline silicon solar wafers using its proprietary EpiNex® direct gas-to-wafer epitaxy process, selling to global solar cell manufacturers under multi-gigawatt supply agreements as a Western alternative to Chinese-dominated Czochralski wafer production.
- Ownership category
- akta.pro rank
NexWafe industry classification
Industry- Product category
- Solar Wafer Manufacturing
- NAICS
- Semiconductor and Related Device Manufacturing (334413)
- SIC
- Electronic & Other Electrical Equipment (No Computer Equip) (3600)
- akta.pro primary industry
- Solar Plant Components Supply & Manufacturing (Modules, Cells, Wafers, Mirrors, Heliostats) (EUACAGAK)
- akta.pro secondary industries
- Solar PV Module & Cell Manufacturing (Crystalline, Thin-Film) (EUAMAHAA), Wafer Services & Reclaim (Epitaxy, Thinning, Reclaim) (HDAHACAH)
Keywords
Where NexWafe is headquartered
LocationHeadquarters
- HQ city
- Freiburg
- HQ country
- Germany
- HQ region
- Europe
Offices3 records
Markets served
NexWafe business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Infrastructure, Technology or R&D, Personnel, Supply Chain, Operations
Revenue model
- Solar Wafer Product Sales: NexWafe generates revenue from the sale of EpiNex® silicon wafers to solar cell manufacturers. As a hardware/physical product manufacturer, revenue is derived from one-time product sales of solar wafers, with long-term supply agreements (e.g., 7GW supply agreement with Talon PV through 2032).
Go-to-market motion2 records
Distribution channels3 records
Marketing channels6 records
NexWafe product offering
Product offeringCore offering
NexWafe manufactures EpiNex® monocrystalline silicon solar wafers using a proprietary direct gas-to-wafer epitaxy process that eliminates conventional polysilicon production, ingot growth, and wire sawing steps. The company sells ultra-thin (50μm to 150μm), high-efficiency wafers to solar cell producers for terrestrial utility-scale, space (LEO satellites), HAPS, and automotive (VIPV) applications.
Product overview
NexWafe offers a unified product portfolio centered on its proprietary EpiNex® direct gas-to-wafer epitaxy technology for manufacturing ultra-thin, high-efficiency monocrystalline silicon solar wafers. The core offering consists of EpiNex® Solar Wafers and the EpiNex® Process technology. These are complemented by application-specific products for Terrestrial (utility-scale), Space (LEO satellites), HAPS (High-Altitude Pseudo-Satellites), and Automotive (Vehicle-Integrated Photovoltaics) segments. The technology enables 40% less energy consumption and nearly 50% less waste than conventional Czochralski processes.
Differentiator
Problem solved
Functional benefit
Brands
- EpiNex: NexWafe's proprietary direct gas-to-wafer epitaxial manufacturing process for producing high-efficiency, ultra-thin monocrystalline silicon wafers for solar cells.
- EpiNex Solar Wafers
Products and services
- EpiNex® Solar Wafers
Quantifiable outcome
- 40-70% reduction in energy consumption during manufacturing
- +8 more outcomes
Companies that use NexWafe
Customer profileNamed customers2 records
Segments4 records
Ideal customer profiles3 records
NexWafe technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
NexWafe partnerships and signals
Strategic signalPartnerships
Nine partnerships are on record, tiered core, strategic and supporting.
- Talon PVcoreStrategic partnership and wafer supply agreement for approximately 7 GW of EpiNex® silicon wafers through 2032 to support Talon's TOPCon solar cell manufacturing operations at their 4.8 GW facility in Baytown, Texas. Initial wafer qualification conducted at Fraunhofer ISE in Germany. Collaboration on technical development to improve TOPCon cell performance using EpiNex® substrates.
- Aramco Ventures (Saudi Aramco Energy Ventures)coreInvestment and collaboration agreement including participation from Aramco's $1.5 billion Sustainability Fund. Agreed to work on a future green solar wafer manufacturing facility in the Kingdom of Saudi Arabia. Ongoing participation in Series D and subsequent funding rounds.
- Reliance Industries LimitedcoreStrategic investment and partnership for joint development of green solar wafers. Reliance invested $29M in Series C round. Partnership includes plans for gigawatt-scale wafer manufacturing facilities in India using NexWafe's EpiNex technology. Reliance targeting 20 GW solar module manufacturing capacity in Jamnagar.
- CSEM (Centre Suisse d'Electronique et de Microtechnique)strategicTechnical collaboration on tandem perovskite 2-junction cells using NexWafe's EpiNex wafers. Achieved 28.9% efficiency demonstrating potential for advanced solar technologies. CSEM provides expertise in perovskite-silicon tandem cell development.
- EvonikcoreCo-location partnership at Bitterfeld Chemical Park. Evonik provides process gases required for EpiNex CVD deposition process and takes byproducts of production, creating a closed-loop integrated supply chain. Enables fastest path to market.
- Chemie Park BitterfeldcoreInvestor and infrastructure provider at Bitterfeld-Wolfen Chemical Park. One of largest chemical and pharmaceutical areas in Central German Chemical Triangle covering 1,200 hectares. Provides developed industrial estates and comprehensive service providers.
- Group-IPSsupportingEngineering partner for Bitterfeld facility construction. Responsible for engineering work for the epitaxy facility.
- BremerBausupportingConstruction partner for first phase of epitaxy facility construction at Bitterfeld.
- Fraunhofer ISEcoreFraunhofer Institute for Solar Energy Systems ISE is NexWafe's parent organization. NexWafe spun out from Fraunhofer ISE in 2015. Company retains strong ties and continues to benefit from research support. EpiNex technology originated from 15+ years of R&D at Fraunhofer ISE. Initial wafer qualification work conducted at Fraunhofer ISE in Freiburg.
Scale indicators14 records
Recent moves8 records
Expansion highlights7 records
NexWafe competitors and assessment
Company assessmentBroad incumbents
- LONGi Green Energy Technology: The world's largest monocrystalline silicon wafer manufacturer using the incumbent Czochralski process, serving the same solar cell manufacturer customers NexWafe targets. LONGi sets the global benchmark for wafer cost, scale, and pricing, making it the primary competitor against which EpiNex's 30% cost advantage must prove out.
- Tongwei Co., Ltd. Vertically integrated polysilicon-to-cell producer and one of the largest monocrystalline silicon wafer manufacturers globally. Comparable to NexWafe as a major upstream solar silicon supplier with significant production scale, though using conventional CZ process.
- GCL Technology Holdings: Major polysilicon and silicon wafer producer (formerly GCL-Poly Energy) competing with NexWafe for solar cell manufacturer customers at scale. Uses conventional casting/CZ processes to supply utility-scale PV wafer demand.
- JinkoSolar Holding Co., Ltd. Vertically integrated solar manufacturer with substantial in-house wafer production capacity. Competes with NexWafe as a downstream customer alternative and as a wafer producer, making it both a potential buyer and a competitor depending on integration strategy.
- JA Solar Technology Co., Ltd. Top-tier vertically integrated solar cell and module manufacturer with significant internal wafer sourcing requirements. Comparable to NexWafe as a major PV value-chain participant and a potential long-term supply partner given its scale.
- Hanwha Qcells: Vertically integrated solar manufacturer that previously acquired 1366 Technologies (a kerfless/direct-wafer competitor to NexWafe). Operates as both a competing technology steward and a potential EpiNex customer as it builds out US-based solar manufacturing.
- Trina Solar Co., Ltd. Globally integrated solar manufacturer with wafer-to-module operations and a leading position in TOPCon technology. Comparable to NexWafe as a downstream solar value-chain participant and a potential wafer supply partner.
- Canadian Solar Inc. (CSI Solar): Vertically integrated solar manufacturer; board member Thomas Koerner (Corporate VP, Modules and Systems Solutions at CSI Solar) sits on NexWafe's board, illustrating the deep industry overlap and potential for wafer supply partnership.
Others
- Wacker Chemie AG: Major polysilicon producer supplying upstream feedstock to the solar wafer industry. Comparable to NexWafe as a critical silicon materials supplier for PV, with overlapping R&D focus on high-purity silicon and potential supplier/customer dynamics around EpiNex's TCS/STC feedstock.
- REC Silicon ASA: Producer of high-purity polysilicon and silicon gases (including silane) for the solar and electronics industries. Comparable as an upstream silicon materials supplier with potential overlap on the silane/TCS feedstock chain NexWafe uses for epitaxial deposition.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat3 records
Key risks5 records
Key highlights7 records
Customer concentration
NexWafe social profiles
Digital presenceNexWafe compliance and trust
Trust signalCompliance2 records
NexWafe financial estimates
Financial estimateRevenue estimate
Valuation estimate
NexWafe leadership team
Management profileNumber of profiles
Profiles17 records
NexWafe funding detail
Funding detailFunding overview
Funding rounds10 records
Investors15 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
NexWafe M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about NexWafe
What does NexWafe do?
NexWafe manufactures EpiNex® monocrystalline silicon solar wafers using a proprietary direct gas-to-wafer epitaxy process that eliminates conventional polysilicon production, ingot growth, and wire sawing steps. The company sells ultra-thin (50μm to 150μm), high-efficiency wafers to solar cell producers for terrestrial utility-scale, space (LEO satellites), HAPS, and automotive (VIPV) applications.
Is NexWafe a public or private company?
NexWafe is a private company. It is classified as venture growth investor backed and is currently operating.
When was NexWafe founded?
NexWafe was founded in 2015. It employs 51 to 100 people.
Where is NexWafe based?
NexWafe is headquartered in Freiburg, Germany, in the Europe region.
How does NexWafe make money?
One revenue line is on record: solar Wafer Product Sales.
Who are NexWafe's main competitors?
Broad incumbents on record are LONGi Green Energy Technology, Tongwei Co., Ltd., GCL Technology Holdings, JinkoSolar Holding Co., Ltd., JA Solar Technology Co., Ltd., Hanwha Qcells, Trina Solar Co., Ltd. and Canadian Solar Inc. (CSI Solar). Others are Wacker Chemie AG and REC Silicon ASA.
Does NexWafe have an API?
No public API is recorded for NexWafe.
What industry is NexWafe in?
NexWafe's product category is Solar Wafer Manufacturing. Its primary akta.pro industry code is EUACAGAK, Solar Plant Components Supply & Manufacturing (Modules, Cells, Wafers, Mirrors, Heliostats), with a secondary code of EUAMAHAA, Solar PV Module & Cell Manufacturing (Crystalline, Thin-Film). Its NAICS code is 334413 and its SIC code is 3600.