The semiconductor sector is where France 2030’s industrial ambition is most visibly concentrated in a single geographic location. The Crolles-Grenoble cluster — anchored by STMicroelectronics’ 300mm fab, Soitec’s substrate manufacturing, GlobalFoundries’ European operations, and CEA-LETI’s research facilities — is the center of French chip sovereignty and the most consequential semiconductor investment project in European history. The STMicroelectronics-GlobalFoundries joint expansion at Crolles, announced in 2022, represents a €7.45 billion commitment to build a new 300mm fab — the largest single semiconductor manufacturing investment on European soil. France 2030 provides over €2.9 billion in direct state support; the European Chips Act adds EU co-funding; private company capital completes the investment.

Why semiconductors? The COVID pandemic demonstrated in acute form what industrial strategists had warned for decades: advanced economies that cannot manufacture their own chips are economically vulnerable when supply chains are disrupted. The 2021-2022 semiconductor shortage cost the European automotive industry over €100 billion in lost production — the direct consequence of a near-total dependence on Asian chip manufacturing (primarily Taiwan’s TSMC and South Korea’s Samsung). France 2030 draws an explicit lesson from this experience: chip manufacturing sovereignty is a prerequisite for industrial sovereignty in automotive, defense, aerospace, industrial automation, and telecommunications.

France’s strategic positioning in semiconductors is unusual for Europe: rather than pursuing the leading-edge logic manufacturing that Taiwan and South Korea dominate (1-7nm process nodes for CPUs and GPUs), France focuses on specialty technologies where it has genuine advantages — FD-SOI (Fully Depleted Silicon-on-Insulator), SiC (Silicon Carbide) for power electronics, silicon photonics, and automotive-grade chips at the 28-40nm nodes. This focus is commercially rational: the leading-edge logic race against TSMC would require investments of €50+ billion per node generation — beyond any European state’s capacity. Specialty and mature-node technologies serving European industrial customers are achievable at defensible cost.

Budget & Funding

France 2030’s semiconductor sector commitment of approximately €5-6 billion in national support is among the largest single-sector allocations in the plan:

The full public support for the Crolles expansion combines France 2030 national funding with European Chips Act allocation and regional (Auvergne-Rhône-Alpes) support, bringing total public support to approximately €3.5 billion for a €7.45 billion total investment.

Key Companies

STMicroelectronics is Europe’s largest semiconductor company by revenue ($17 billion+ in 2022, normalizing from peak demand) and the undisputed anchor of France’s chip ecosystem. Founded in 1987 from the merger of Thomson Semiconducteurs and SGS Microelettronica, STMicro maintains a Franco-Italian identity (headquarters in Geneva, operational headquarters in Geneva and Paris, major fab in Crolles). The company’s technology portfolio spans automotive chips (the #1 European automotive semiconductor supplier), industrial microcontrollers, IoT sensors, power electronics (including SiC), and analog mixed-signal devices. STMicro’s Crolles 300mm fab produces FD-SOI chips that are globally competitive in efficiency for power-constrained applications.

GlobalFoundries is the US-headquartered semiconductor foundry created from AMD’s manufacturing spin-off and IBM’s chip operations. Publicly listed in 2021, GlobalFoundries operates advanced manufacturing at 14nm and above — it deliberately exited the leading-edge (<10nm) race in 2018 to focus on differentiated specialty technologies. Its partnership with STMicro at Crolles for FD-SOI manufacturing combines GF’s foundry expertise (serving external customers) with STMicro’s product knowledge (making chips for its own product lines). This is a crucial distinction: the expanded Crolles fab will serve external customers through GF’s foundry model, making it commercially viable beyond STMicro’s internal demand.

Soitec is one of France’s most globally dominant companies — an 80%+ global market share in SOI wafers that is rare for any French industrial company. Its FD-SOI wafers are the foundation on which STMicro and GF build their Crolles FD-SOI chips. Without Soitec’s wafers, there is no FD-SOI advantage for Europe. Soitec’s Bernin facility (next to the Crolles fab) forms a natural vertical integration advantage — wafer producer and chip fab co-located. Revenue approximately €800 million. France 2030 supports Soitec’s capacity expansion and next-generation substrate development (including SiC and GaN substrates for power electronics).

X-Fab operates analog and mixed-signal foundry services at Corbeil-Essonnes (Île-de-France), specializing in automotive, medical, and industrial applications at 0.18-1 micron process nodes. X-Fab is a less visible but commercially significant part of France’s semiconductor ecosystem, providing manufacturing services to European fabless chip designers who need high-reliability analog chips.

CEA-LETI (Grenoble) is one of the world’s premier semiconductor research institutes — the bridge between academic research and industrial production. LETI’s 300mm pilot line at Grenoble has pioneered FD-SOI technology and silicon photonics at the scale needed for industrial transfer to fabs. LETI employs approximately 2,000 researchers and collaborates with all major players in the Crolles-Grenoble cluster. France 2030 invests in LETI’s research infrastructure as the technological brain of the cluster.

Major Projects

Crolles 300mm Fab Expansion: The centerpiece of France’s semiconductor strategy. STMicro and GlobalFoundries are jointly building a new 300mm fab facility adjacent to the existing Crolles site, targeting 620,000 wafer starts per month at full capacity — tripling the current combined capacity. Technology: FD-SOI at 18nm and 28nm nodes, optimized for automotive, industrial, IoT, and 5G/6G applications. Construction started in 2023; first production targeted for approximately 2026-2027; full capacity by 2029.

Soitec Bernin Expansion: Soitec is expanding substrate production capacity at Bernin to supply the increased wafer demand from the Crolles expansion and growing global FD-SOI adoption. The expansion involves new crystal growth equipment and quality control infrastructure, funded partly through France 2030 and Soitec’s own capital.

SiC Ecosystem Development: France 2030 supports the development of Silicon Carbide power electronics — critical for EV inverters, industrial motor drives, and renewable energy converters. STMicro is a global leader in SiC, operating SiC wafer production in Catania (Italy) with French R&D support. SiC represents a high-value strategic technology where France’s existing capability creates a defensible position.

Competition & Funding Opportunities

France 2030 semiconductor funding flows through:

Exceptional Project Funding (SGPI): The Crolles expansion received its France 2030 grant through a direct SGPI exceptional project process — bypassing standard competitive calls because of the investment scale and strategic urgency.

Nano2027 Program: A multi-year research collaboration program between STMicro, CEA-LETI, and French universities, supported by France 2030 R&D funding. Nano2027 covers advanced materials, novel device architectures, and post-silicon technologies.

European Chips Act Pillar I (Research and Technology): French research institutions (CEA-LETI, CNRS) receive EU funding for semiconductor research under the Joint Undertaking KDT (Key Digital Technologies).

European Chips Act Pillar II (Manufacturing): The Crolles expansion qualifies as a “First-of-a-Kind” facility under the Chips Act, enabling member state subsidies above normal state aid limits with EU approval.

International Comparison

France’s semiconductor strategy differs from the leading-edge bets of Germany (Intel’s Magdeburg fab, €30+ billion), the US (CHIPS Act, $52 billion direct subsidies to attract TSMC, Samsung, and Intel), and Taiwan’s dominant position. France’s FD-SOI focus is explicitly a differentiation strategy: rather than attempting to replicate Taiwan’s leading-edge capability (which would require an order of magnitude more investment), France is becoming the global center of excellence for a specific technology domain.

The risk: FD-SOI competes against FinFET (used by TSMC) and Gate-All-Around transistor technologies at the leading edge. If FD-SOI falls behind competitively in the 10-18nm range — where TSMC’s FinFET is powerful — the market for FD-SOI chips may not grow as fast as projected.

The opportunity: For automotive, industrial, and IoT applications that require reliability, temperature tolerance, and moderate performance at low power — not the highest possible performance — FD-SOI has genuine technical advantages that the market increasingly recognizes.

Key Institutional Actors

CEA-LETI (Grenoble) is the research anchor of the cluster — technology pioneer, talent source, and collaborative research partner.

Auvergne-Rhône-Alpes Region provides local infrastructure, workforce development programs, and regional co-financing for semiconductor investments.

French government (through DGE, SGPI) coordinates the European Chips Act engagement and negotiates France’s allocation of EU semiconductor funding.

Strategic Assessment

France’s semiconductor strategy is credible and well-executed. The Crolles investment is real and under construction. Soitec’s market leadership is globally unique. CEA-LETI’s research capacity is world-class. The FD-SOI technology focus is commercially defensible.

The risks are technology competition (FD-SOI must remain competitive against alternatives), customer diversification (GF’s external foundry model at Crolles needs European fabless customers beyond STMicro’s internal volumes), and geopolitical sustainability (the US-China semiconductor decoupling creates complex dynamics for European chip makers operating in both markets).

Related Content

• France Chips Strategy — Full strategy analysis
• STMicroelectronics — Europe’s chip champion
• GlobalFoundries Crolles — The joint fab investment
• Soitec — SOI wafer global leader
• Crolles-Grenoble Cluster — Cluster analysis
• European Chips Act France — EU funding framework
• Semiconductor Funding Tracker — Detailed funding data
• AI & Quantum — Semiconductor demand from AI compute