Hungary TCTF net-zero state aid scheme — EUR 2.36 billion framework for batteries, solar, wind, heat pumps, electrolysers, and CCS

Mechanism

Hungary's net-zero TCTF scheme is a horizontal framework that authorises the Hungarian state to grant individual aids to any undertaking producing (or producing key components for, or recovering critical raw materials used in) the six targeted clean-technology categories, without requiring a separate Commission notification for each beneficiary below certain thresholds. This compresses the approval timeline for large-scale greenfield investments, making Hungary one of the fastest EU jurisdictions to unlock state-aid clearance for battery and clean-energy manufacturing FDI.

The scheme is embedded in the EU's Green Deal Industrial Plan response to US Inflation Reduction Act (IRA) competitive pressure. Section 2.8 of the TCTF, adopted 9 March 2023 (OJ C 101, 17.3.2023), was specifically designed to prevent European and EU-market-serving clean-tech manufacturing from migrating to the US under IRA §45X manufacturing credits and §30D clean-vehicle credits. Hungary leveraged this framework more aggressively than any other EU member state, using it as the primary vehicle to attract Chinese battery-supply-chain FDI at a scale that has triggered EU-level scrutiny under the Foreign Subsidies Regulation.

Aid instruments: direct grants, tax advantages (Hungarian Strategic Investment Act / EKD-certificate route), and refundable advances. Individual awards above the TCTF notification threshold require a stand-alone Commission decision (as is the case for the CATL Debrecen and BYD Szeged gigafactories).

Eligible activities under the scheme: 1. Production of batteries (cells, modules, packs) and key components (cathode-active materials, separator film, electrolyte) 2. Solar-panel manufacturing (wafers, cells, modules) 3. Wind-turbine manufacturing (nacelles, blades, towers, gearboxes) 4. Heat-pump manufacturing 5. Electrolyser manufacturing (alkaline, PEM, SOEC stacks and components) 6. CCS equipment (capture, transport, storage hardware) 7. Production or recovery of critical raw materials used in categories 1–6

Principal beneficiaries (known or pending, as of filing date)

Downstream implications

• The scheme makes Hungary structurally the largest single EU recipient of Chinese

battery-manufacturing FDI and positions the Debrecen corridor as the EU's Chinese-origin gigafactory hub — analogous to BYD's Hungary/EU gateway and CATL's de-facto EU manufacturing anchor.

• Every individual large-scale aid decision issued under this framework is potentially

subject to parallel scrutiny under the EU Foreign Subsidies Regulation (FSR), creating a dual-clearance architecture (State Aid + FSR) for Hungarian battery-FDI projects involving Chinese SOEs or state-backed enterprises.

• The scheme's December 2025 sunset interacts with the incoming EU Industrial Accelerator

Act (2026-03-04), which replaces the TCTF with a permanent "Made in EU" manufacturing subsidy architecture and introduces stricter 40% global-capacity conditions for third-country FDI beneficiaries.

Open questions

• Individual Commission State Aid case references (SA.XXXXX numbers) for CATL Debrecen

Phase 1 + Phase 2 and BYD Szeged — not yet publicly published as of filing date.

• BYD Szeged FSR Phase I determination — whether the Commission triggers a Phase II

in-depth FSR investigation or accepts commitments at Phase I (decision due H2 2025).

• Post-December 2025 continuation: whether individual aid decisions issued under the

scheme's authorization but not yet signed will remain valid under the EU Industrial Accelerator Act's successor framework.