Azur Space

What Azur Space does

Azur Space Solar Power GmbH is a Heilbronn, Germany-based manufacturer of high-efficiency multi-junction solar cells used in space photovoltaic (PV) and terrestrial concentrating photovoltaic (CPV) applications. Founded in 1964 as part of Telefunken and operating under its current name since 2007, the company has been a wholly-owned subsidiary of Montreal-based specialty materials producer 5N Plus Inc. (TSX: VNP) since 2021/2022. Azur Space builds its cells on germanium substrates using proprietary Metal-Organic Chemical Vapor Deposition (MOCVD) epitaxy, with 70+ semiconductor layers per device, and offers triple-junction (3G30-Advanced, ~30% class efficiency), quadruple-junction (4G32-Advanced, ~32% class efficiency), and quintuple-junction (5C46) architectures, all radiation-hardened for 15–20 year orbital missions. The portfolio extends beyond bare cells to fully integrated Solar Cell Assemblies (SCA/CIC) with cover glass, bus bars, and interconnects, as well as SMT-compatible cells co-developed with Sierra Space for automated pick-and-place panel assembly.

The company serves two principal customer sets: satellite prime contractors and operators (Airbus Defence and Space, Thales Alenia Space, Lockheed Martin, Northrop Grumman, Sierra Space, Maxar, Leonardo, Boeing, Mitsubishi Electric, plus operators such as Intelsat, Globalstar, and OneWeb), and government space agencies (ESA, NASA, JAXA, DLR). Mission applications span GEO/MEO/LEO communications, Earth observation, navigation, deep-space probes (Rosetta, JUICE, BepiColombo, Europa Clipper, Mars Express), and planetary rovers. Azur Space reports more than 16 million discrete solar devices delivered cumulatively, of which over 6 million are multi-junction cells, with a stated 100% on-orbit success rate across 2,500+ satellite missions.

Revenue is generated through project-based hardware sales of cells and assemblies, priced individually by quotation under multi-year contracts negotiated through enterprise field sales and formal RFI/RFQ processes — there are no standardized tiers and pricing is not publicly disclosed. The company maintains a single manufacturing and headquarters site in Heilbronn with MOCVD production lines and panel assembly, holds 340+ patents, and is certified to ISO 9001, EN 9100 (AS 9100D), ISO 14001, and ISO 45001. Azur Space has expanded production capacity by 35% in 2024, 30% in 2025, and announced an additional 25% expansion for 2026, citing AI-driven satellite demand as a key growth catalyst.

Name

Azur Space

Legal name

AZUR SPACE Solar Power GmbH

Website

https://azurspace.com

Company type

Private

Founded year

1964

Operating status

Operating

Headcount range

101–250 employees

Short description

Azur Space is a Heilbronn, Germany-based manufacturer of high-efficiency multi-junction solar cells for space photovoltaic and terrestrial concentrating photovoltaic applications. The company serves global satellite prime contractors and space agencies with radiation-hardened cells, assemblies, and SMT-compatible panels.

Ownership category

akta.pro rank

Product category

Space-Grade Multi-Junction Solar Cells

NAICS

Semiconductor and Related Device Manufacturing (334413)

SIC

Semiconductors & Related Devices (3674)

akta.pro primary industry

Space Power Systems (Solar Arrays, Batteries, EPS) (IMABACAH)

akta.pro secondary industries

Solar PV Module & Cell Manufacturing (Crystalline, Thin-Film) (EUAMAHAA), Next-Gen Photovoltaics R&D (Perovskite, Tandem, Organic, BIPV Materials) (EUAMAOAA)

Keywords

• Space solar cells
• Multi-junction photovoltaics
• Satellite power systems
• Concentrator photovoltaic cells
• Radiation-hardened semiconductors

Headquarters

HQ city

Heilbronn

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Space Solar Cell Hardware Sales: Azur Space generates revenue through the sale of high-efficiency multi-junction solar cells and complete solar panel assemblies. These are one-time hardware purchases tailored to specific satellite and space mission requirements. Revenue is project-based, driven by satellite constellation builds and space exploration missions.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

AZUR SPACE develops and manufactures high-efficiency multi-junction (III-V compound semiconductor) solar cells using MOCVD epitaxy for space photovoltaic and terrestrial concentrating photovoltaic (CPV) applications. The portfolio includes triple-junction (3G30-Advanced), quadruple-junction (4G32-Advanced), and quintuple-junction cells offered as bare cells, integrated Solar Cell Assemblies (SCA/CIC) with coverglass and diodes, and SMT-compatible versions. Products are radiation-hardened, achieve 30–32% class efficiency, and are qualified for GEO, MEO, and LEO satellite platforms as well as deep-space missions.

Product overview

AZUR SPACE is a global leader in multi-junction solar cell development and production for space photovoltaics (PV) and terrestrial concentrating photovoltaics (CPV) applications. The company offers two primary technology families: the 3G30-Advanced (30% class efficiency) and 4G32-Advanced (32% class efficiency) solar cell product lines, available as bare solar cells, solar cell assemblies (CIC/SCA), and SMT-compatible versions. Products are built using proprietary MOCVD epitaxy processes with 70+ semiconductor layers on germanium wafers, featuring radiation-hardened designs for space environments. The portfolio spans from standard cell configurations to advanced quintuple-junction cells, serving both conventional space applications and emerging New Space segments.

Differentiator

Problem solved

Functional benefit

Products and services

• 3G30-Advanced Solar Cell Triple-junction GaInP/GaAs/Ge space solar cell achieving 30% class efficiency at AM0 with best-in-class end-of-life performance at the lowest cost per watt; available on 100 mm or 150 mm substrates and offered as bare cells or fully integrated Solar Cell Assemblies for GEO, MEO, and LEO missions including New Space applications.
• 4G32-Advanced Solar Cell Quadruple-junction solar cell with 32% class efficiency delivering best-in-class beginning- and end-of-life performance and exceptionally high voltage for highest power on small areas at low weight; available on 100 mm or 150 mm substrates as bare cells or Solar Cell Assemblies, and adapted for deep-space and Mars missions.
• SMT Compatible Space Solar Cells Surface-mount-technology (SMT) compatible versions of the 3G30 and 4G32 cells with both P and N contacts on the backside, enabling pick-and-place module assembly on standard SMT equipment for higher throughput and power density; sold exclusively through partner Sierra Space as turn-key panels and wings.
• Solar Cell Assembly (SCA/CIC) Integrated solar cell assembly combining bare cells with bypass diodes (for shadowing protection), interconnectors (for series stringing), and space-grade optical coverglasses (for on-orbit environmental protection); sold as the standard delivery format for satellite prime contractors.
• 5C46 Quintuple-Junction Solar Cell First-of-kind quintuple-junction multi-junction solar cell developed for terrestrial concentrating photovoltaic (CPV) applications, representing the cutting edge of solar cell efficiency for high-concentration terrestrial systems.

Named customers3 records

Segments2 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

13 partnerships are on record, tiered core, major and minor.

• 5N PluscoreStrategic or Co-development Partner5N Plus is the parent company of Azur Space, providing strategic ownership and financial backing. 5N Plus specializes in specialty metals and engineered precision solutions, supporting Azur Space's supply chain and manufacturing operations.
• Airbus Defence and SpacecoreStrategic or Co-development PartnerMajor European satellite prime contractor and key customer for space solar cells and panels. Airbus integrates Azur Space solar products into their communications, observation, and scientific satellite platforms.
• Thales Alenia SpacecoreStrategic or Co-development PartnerFrench-Italian joint venture and major satellite manufacturer. Thales Alenia Space collaborates with Azur Space on solar array development for European space programs including navigation and Earth observation satellites.
• Lockheed MartincoreStrategic or Co-development PartnerMajor US defense and aerospace prime contractor incorporating Azur Space solar cells into satellite programs. Long-standing supplier relationship for government and commercial satellite missions.
• Northrop GrummancoreStrategic or Co-development PartnerUS aerospace and defense company utilizing Azur Space solar products for satellite programs. Partnership supports national security space missions and commercial satellite builds.
• Sierra SpacemajorStrategic or Co-development PartnerFormerly Sierra Nevada Corporation's space systems division, Sierra Space develops commercial and government space platforms. Partnership includes solar panel integration and space habitation modules.
• Maxar TechnologiesmajorStrategic or Co-development PartnerUS-based Earth intelligence and space infrastructure company operating imaging satellites and developing orbital platforms. Maxar sources high-efficiency solar cells from Azur Space for their satellite constellations.
• STI (Space Technology Inc.)minorChannel Partner/ Reseller/ DistributorDistribution partner for solar cell and assembly products, facilitating access to additional market segments and geographic regions.
• LeonardomajorStrategic or Co-development PartnerItalian aerospace and defense group operating as both customer and technology partner. Leonardo collaborates on European space programs including the COSMO-SkyMed satellite system.
• ESA (European Space Agency)coreStrategic or Co-development PartnerEuropean intergovernmental space organization and anchor customer for scientific missions, exploration programs, and technology development. ESA provides funding for solar cell technology advancement and represents a long-term partnership.
• NASAcoreStrategic or Co-development PartnerUS National Aeronautics and Space Administration sourcing solar cells for deep space missions, satellite programs, and International Space Station. Azur Space products qualified for NASA missions.
• JAXA (Japan Aerospace Exploration Agency)majorJapanese space agency incorporating Azur Space solar cells into scientific satellites and exploration missions.
• DLR (German Aerospace Center)majorGerman national research center for aeronautics and space. DLR collaborates on technology development and utilizes Azur Space products in German space missions.

Scale indicators4 records

Recent moves8 records

Expansion highlights5 records

Emerging players

• Emcore: US-based compound semiconductor company with a heritage in III-V space solar cells and ongoing CPV and solar cell activity. After divesting its space solar assets, Emcore retains epitaxial process capabilities relevant to the same end-market as Azur.
• MicroLink Devices: US-based specialist in lightweight, flexible III-V multi-junction solar cells for space applications. Targets high-specific-power satellite and UAV segments with an epitaxial-lift-off process that competes on mass and flexibility rather than raw efficiency.
• DHV Technology: Spanish company specializing in solar panels and arrays for space applications. A listed partner for panel integration technologies and an emerging European competitor in the downstream solar array assembly layer that sits adjacent to Azur's cell business.

Direct peers

• Spectrolab: A Boeing subsidiary and the historical global leader in space-grade multi-junction solar cells, producing GaInP/GaAs/Ge and advanced cells for commercial, civil, and US defense satellite programs. Spectrolab is Azur's most direct head-to-head competitor in triple- and quadruple-junction space solar cells.
• SolAero by Rocket Lab: US-based manufacturer of high-efficiency space solar cells and panels, acquired by Rocket Lab in 2022. Competes with Azur across LEO constellation, GEO, and interplanetary missions and benefits from Rocket Lab's vertically integrated space platform strategy.
• Mitsubishi Electric: Japanese electronics and aerospace prime that manufactures space solar cells and arrays, including for JAXA missions. Listed by Azur as both a technical partner and a supplier to certain programs, making it a partial competitor in cell-level technology and a customer in adjacent arrays.

Regional players

• CESI: Italian multi-junction space solar cell manufacturer serving ESA and European space programs. A smaller European competitor with similar III-V technology, focused on niche and scientific missions rather than high-volume constellation builds.

Broad incumbents

• Sharp Corporation: Japanese electronics conglomerate with a historical portfolio of III-V space solar cells. While not a primary growth focus today, Sharp retains technology and qualification heritage in space photovoltaics that places it in the broader peer set.

Others

• 5N Plus: Montreal-based specialty materials and semiconductor company that is Azur Space's parent (acquired 2021/2022). Not a direct competitor, but operates the Specialty Semiconductors segment that houses Azur and shapes its capital allocation, vertical integration, and exit timing.
• Rocket Lab: US-listed space launch and spacecraft platform company that owns SolAero. A customer-of-SolAero ecosystem participant and a potential competitor in vertically integrated space power, but not a direct cell-level competitor to Azur.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/azur-space-solar-power-gmbh

Compliance4 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 Azur Space