Europe's next energy challenge isn't invention. It's deploying deeptech at scale
Rendering of Energy Dome’s CO2 Battery project near Rhode, County Offaly, Ireland (image: Energy Dome)
Europe has spent years funding energy innovation, from hydrogen production and energy storage to advanced materials and renewable fuels.
According to a new statement from the European Innovation Council (EIC) Board, the continent's next challenge is deploying those technologies at industrial scale.
The statement, published on June 24, arrives as Europe seeks to reduce fossil fuel imports, expand renewable energy generation, strengthen electricity grids and secure sufficient power for emerging industries, including artificial intelligence. More than half of the European Union's energy consumption still depends on imported fossil fuels, according to the Board, leaving the bloc exposed to geopolitical tensions and market volatility.
European Commission estimates cited by the EIC Board suggest annual investment in the energy sector will need to reach around €660 billion between 2026 and 2030, rising to approximately €695 billion annually between 2031 and 2040.
For the EIC Board, however, this is not simply a financing challenge.
It is a deployment challenge.
The Board argues that Europe is better positioned to support first industrial deployments than it was during the last energy crisis, citing investments in new facilities, expanded infrastructure and a stronger industrial base capable of bringing emerging technologies to market.
More than 100 companies within the EIC portfolio are developing technologies across the energy value chain, including energy storage, hydrogen, renewable fuels, electricity transmission, advanced materials and supply chain resilience.
So Europe may already possess many of the technologies required for a more resilient energy system. The question is whether it can build enough factories, infrastructure and industrial demand to deploy them.
What the EIC announcement means for Europe and its energy sector
The Board's statement amounts to a diagnosis of one of Europe's most persistent industrial weaknesses.
European startups and scaleups have often demonstrated strong capabilities in scientific research, engineering and early-stage innovation. Bringing those technologies into mainstream industrial use has proved considerably more difficult.
Europe's last energy crisis accelerated investment in renewable electricity generation, battery storage and electrification. Yet developers continue to encounter lengthy permitting procedures, fragmented regulations and difficulties securing capital for first commercial deployments.
The EIC Board identifies five areas where intervention is needed.
Funding mechanisms must provide continuity beyond early grants and venture rounds. Regulatory frameworks need to adapt to emerging technologies. Permitting procedures should be accelerated. Industrial demand must be stimulated through procurement and long-term purchasing agreements. Investors, industry and policymakers need to work more closely together.
Taken together, these recommendations resemble an industrial strategy more than a conventional innovation policy: thi isn't about 'simply' funding innovation but about creating conditions under which European technologies become commercially successful within Europe itself.
Deeptech companies are already building Europe's future energy system
A number of European deeptech companies pursuing these technologies are already moving towards industrial deployment.
German company INERATEC is constructing industrial facilities designed to convert renewable hydrogen and captured carbon dioxide into synthetic fuels. Its ERA ONE facility at Industriepark Höchst near Frankfurt is intended to produce sustainable aviation fuel at commercial scale, addressing one of the sectors where decarbonisation remains particularly difficult.
Estonian energy storage specialist Skeleton Technologies has developed ultracapacitors capable of charging and discharging within seconds. These systems are already being deployed in industrial applications, transport and energy infrastructure, including rail networks, where rapid bursts of power can reduce peak electricity demand and improve energy efficiency.
Italian company Energy Dome is pursuing a different approach to long-duration energy storage. Instead of relying on lithium-ion batteries, its technology stores carbon dioxide under pressure and releases it when electricity is needed. The company has commissioned its first commercial-scale COâ‚‚ Battery installation in Sardinia, demonstrating one possible approach to storing renewable electricity generated during periods of surplus.
German electrolyser manufacturer Sunfire is scaling systems that use renewable electricity to split water into hydrogen and oxygen. That hydrogen can subsequently be used in steel production, chemicals manufacturing and synthetic fuel production, sectors that remain difficult to electrify directly.
Europe's electricity infrastructure is also evolving.
Grid-forming inverter technologies have become an increasingly prominent topic among European utilities as renewable energy penetration rises. Unlike conventional power plants, which stabilise electricity networks through rotating turbines, these advanced power electronics can mimic the behaviour of traditional generators and help maintain grid stability as coal and gas facilities are retired.
Some innovations are less visible but equally important.
Advanced materials companies are developing alternatives to critical minerals, while recycling technologies seek to recover lithium, rare earth elements and other resources needed for batteries, electric motors and renewable energy systems.
Viewed individually, these innovations address specific technical challenges. Together, they begin to resemble the building blocks of a future European energy system built around domestic production, electrification and reduced exposure to imported fossil fuels.
The bottleneck is no longer research
The EIC Board's statement contains a subtle but important shift in emphasis.
For years, debates about European competitiveness centred on whether Europe could compete technologically with the United States and China.
The Board suggests that the question may now be different: can Europe deploy its own technologies quickly enough to benefit from them?
Permitting remains a major obstacle.
Developers routinely encounter timelines measured in years rather than months when constructing industrial facilities, energy infrastructure and demonstration plants.
Scale-up financing presents another challenge.
The jump from pilot project to first industrial deployment often requires hundreds of millions of euros in project finance, debt financing and industrial partnerships, a funding gap sometimes referred to as Europe's scale-up valley of death.
Procurement remains another underused lever.
The Board argues that Europe should actively create demand for domestic technologies through corporate purchasing agreements, demonstration programmes and public procurement mechanisms.
That recommendation reflects concerns that European companies frequently prove technologies locally only to scale them elsewhere.
The EIC also explicitly links energy deployment with Europe's wider industrial ambitions.
The Board notes that affordable and reliable energy is essential not only for manufacturing and heavy industry but also for emerging sectors such as artificial intelligence, where data centres and computing infrastructure are becoming increasingly significant consumers of electricity.
Building energy sovereignty through deployment
The EIC Board frames energy security as a question of strategic autonomy.
Reducing dependence on imported fossil fuels involves more than expanding renewable generation. It also requires local manufacturing, resilient supply chains, access to critical materials and the ability to commercialise technologies developed within Europe.
Synthetic fuel plants are being built. Ultracapacitors are entering industrial deployments. Hydrogen electrolysers are being commissioned. New energy storage technologies are moving beyond pilot projects.
Whether Europe can deploy these technologies quickly enough to strengthen competitiveness and reduce energy dependence may determine whether today's deeptech startups become tomorrow's industrial champions.
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