The European Commission has restricted EU funding for renewable energy projects—including solar, wind, and battery storage—that use inverters from China, Russia, Iran, and North Korea, citing immediate cybersecurity threats to critical infrastructure. The measure took effect on May 1st without formal public announcement. It applies across major EU financing channels including the European Investment Bank and extends to neighbouring regions connected to the European grid.
Battery energy storage systems (BESS) are now confirmed within scope. The measure affects a deployment pipeline that installed 27.1 GWh of new capacity across Europe in 2025 alone—a 45% year-over-year increase.
Europe faces a dependency challenge: currently, the continent has roughly 90 GW of operational energy storage, with forecasts pointing to a further ~128 GW of battery storage by 2030. Yet the majority of BESS components, from cathode materials to inverters, flow through Chinese-linked supply chains. Without this vertical integration, a significant share of Europe's project pipeline could slow down. The inverter funding ban forces an immediate reckoning: can Europe meet its expectation of reaching 120 GWh battery storage for 2029 while simultaneously diversifying away from suppliers now classified as security risks?
EU inverter manufacturing capacity of ~112 GW per year—the combined nameplate output of the bloc's 10 headquartered inverter producers—(see Manufacturers' Capacity Table) sits comfortably above the ~65 GW/ year of solar currently deployed across the bloc. But nameplate figures include capacity that is still ramping; 40–55% of EU-made inverter output is exported to the US, Latin America and other markets; and capacity that does serve the EU is concentrated in utility-scale plants (Power Electronics, SMA, Ingeteam, FIMER), where domestic supply already exceeds demand. The IAA's own 30 GW per-stage manufacturing target is met for inverters—the structural gaps in EU solar manufacturing sit upstream, in cells, wafers and polysilicon.
Residential capacity paints a different picture. EU residential string-inverter capacity is probably under 15 GW/ year against 30 GW or more of residential demand. No European microinverter manufacturer at scale exists to replace Enphase or the Chinese brands that dominate the segment. The April 2026 high-risk supplier funding ban will therefore pose fewer challenges to utility-scale procurement than to the residential sector, with real pricing premiums (10–25%), longer lead times and political pressure for derogations—at least until KOSTAL, Fronius and SMA expansions ramp through 2027 (see Manufacturers’ Capacity Table). Sungrow's 20 GW Polish plant could in principle close part of the residential gap, but its eligibility under the high-risk supplier rules, due to ownership by a Chinese parent company, remains unresolved.
The policy shift (see Tables 1 and 2) embodies what StateUp's Triple Transition framework identifies as a core emerging challenge for regions: low-carbon energy systems, advanced digital technologies, and defense innovation are not separate policy domains but deeply interconnected systems requiring unified governance and government and industry cooperation. Yet, often, the structures of government have not kept up and they are organised in silos. Treating renewable energy infrastructure primarily as a climate issue—while ignoring the digital control systems embedded within it—leaves nations exposed to cascading failures.
While the EU clearly recognises the security vulnerabilities of its energy systems, the timeline mismatch nonetheless illustrates the coordination gap: projects already connected to the EU grid must phase out high-risk inverters by April 2027, requiring retrofit investments never budgeted when projects were originally financed. Meanwhile, the European Investment Bank alone financed approximately one-fifth of EU solar projects by 2025, most using Chinese-made inverters. Europe currently has no competitive battery cell manufacturer focused on large-scale energy storage, following the collapse of Northvolt, making immediate supply chain diversification operationally complex.
The policy creates market pull for European inverter manufacturing, but coordinating across planning systems, energy policy, technology procurement, and security frameworks—which typically operate on different timescales under different ministerial authorities—could remain a bottleneck.
Top Inverter Manufacturers Active in the European Market: Volume and Policy Exposure
Successfully navigating this transition requires "copacetic public-private relationships"—arrangements where industry meets large-scale needs, regulation fosters resilience-building innovation, and democratic guardrails protect critical infrastructure.
StateUp helps governments, investors, and insurers understand and reduce climate, technology, geopolitical, and supply-chain risks across renewable energy projects. Our platform provides decision-grade intelligence, our advisory shapes high-stakes decisions, and our programmes build the capability to act on them.
Sources:
Filer, T. (2025). The triple transition: A new policy mandate. StateUp.
