HORIZON-CL5-2027-07-D3-11: Demonstration of hydropower technologies for efficient and… — expected outcomes, evaluation and traps

Topic	HORIZON-CL5-2027-07-D3-11
Status	Forthcoming
Call	HORIZON-CL5-2027-07 — ENERGY
Destination	Ensuring more efficient, sustainable, secure, and competitive renewable and decarbonised energy supply (2026-27)
Type of action	Innovation Actions · lump sum
Opening	4 August 2027
Deadline	1 December 2027
Budget	around EUR 8.5 million per project · 2 projects expected · EUR 17 million in total
TRL at the end	TRL 6–7
Part B page limit	45 pages (standard application form; check your call)
Template	Work Programme 2026–2027 application form

Expected outcomes

Projects should contribute to all of the expected outcomes. The topic says: “For a renewables-based electricity system sufficient flexible and also in the long-run fully sustainable hydropower capacity is pivotal. Project results are expected to contribute to all of the following expected outcomes:”

EO1 Enhancing the capacities of the hydropower fleet to contribute with variable renewables base load to a secure and stable electricity system, including by modernising grid integration and hydropower fleet control.
EO2 Increase technology leadership, competitiveness and technology export potential of European hydropower industry.
EO3 Address challenges of climate change adaptation for a forward-looking and stable operation of sustainable hydropower for the coming decades.

Expected impacts named in the destination

The wider, long-term effects the destination seeks. Your outcomes feed them; they are not project deliverables.

EI1 Energy producers have access to efficient and competitive European renewable energy and renewable fuel technologies with a solid knowledge base and are able to deploy them to enhance the EU’s energy security and reach its climate neutrality objectives, in a sustainable way in environmental (e.g., biodiversity, multiple uses of land and water, natural resources, pollution) and socioeconomic terms, and in line with the Sustainable Development Goals.
EI2 Technology providers have access to European, competitive, resilient, reliable, sustainable, and affordable value chains of renewable energy and renewable fuel technologies including emerging ones, and with strong export potential to supply both the EU internal and global markets. They benefit also from circular renewable energy technologies that are safe and sustainable by design with reduced and diversified external dependence on critical raw materials.
EI3 Economic sectors benefit from better integration of renewable energy and renewable fuel-based solutions that are, among others, competitive, cost-effective, efficient, flexible, reliable, and sustainable. Such integration is facilitated through digitalisation and integration of artificial intelligence of renewable energy technologies that provide network stability and reliability.
EI4 European industries benefit from a reinforced export potential of renewable energy and renewable fuel technologies, also through international partnerships, and become more competitive in innovative renewable energy technologies in Europe and globally.
EI5 European researchers benefit from a stronger community and from a reinforced scientific basis on renewable energy and renewable fuel technologies including emerging ones, also through international collaborations.
EI6 European citizens have access to an energy market that is fair and equitable, more resilient, uses all different types of local renewable energy resources, and is less dependent on fossil fuels imports. Citizens experience less fuel and energy poverty, and also benefit from new employment and upskilling opportunities. Local communities benefit from a more decentralized, affordable, and secure energy system and from multiple uses of land and water.
EI7 R&I actions will support the just digital and green transformation of the energy system through advanced solutions for accelerating the energy systems integration and decarbonisation. The developed clean, sustainable solutions will contribute to making the energy system work better for actors and supply more reliable, resilient and secure energy – even under increasingly more frequent extreme climate events.
EI8 The solutions developed will contribute to increase flexibility and grid hosting capacity for renewables through optimizing cross sector integration and grid scale storage as well as cover off-grid situations. They will improve the preparedness of the electricity system to support the EU's binding target for 2030 of minimum of 42.5% renewables in the gross final energy consumption (with the aspiration to reach 45%), and full decarbonisation by 2050. They will enable further electrification of demand and will enhance the competitiveness of the European value chain, reduce pressure on resources (also by making technologies ‘circular by design’) and decrease dependencies. Such solutions would…
EI9 The solutions will improve consumer awareness and engagement in the energy transition, via innovative offers and services (e.g. demand response, energy communities) and will target different types of consumers, including “hard to reach” population groups (such as energy poor or low-income households). This will result in increased trust in, and uptake of the new products and services entering the energy system.
EI10 Accelerated deployment of carbon capture, use and storage (CCUS) as a CO2 emission mitigation option in electricity generation and/or in industry applications, as well as carbon dioxide removal for negative emissions.

What evaluators will look for in this topic

Expected outcomes

Projects should contribute to all of the expected outcomes.
For each outcome (EO1 to EO3), name who will use or adopt your results (a specific group, not “industry” or “society”), how they get them, and the indicator that shows the change, with baseline, target and date.
Use the topic's own words for each outcome, so the evaluator can tick it off.

What the scope asks for

Evaluators check the proposal against these sentences of the scope. Answer each one visibly, in the call's own words.

“Provided solutions must be socioeconomically and environmentally sustainable (including biodiversity) and provide a respective assessment.”

Conditions that shape the proposal

Part B, sections 1–3: 45 pages (standard application form). Text beyond the limit is not read; tables and figures count.
Lump sum: the budget is fixed per work package and paid when each work package is completed. Every work package needs activities and deliverables an evaluator can verify, and the effort must match the money.
TRL: the topic expects TRL 6–7 by the end of the project. State where you start and the evidence for it.
Innovation action: evaluators expect a plausible path to commercialisation and named first users or customers.
Other Eligible Conditions: “In line with the “ restriction on control in innovation actions in critical technology areas ” delineated in General Annex B of the General Annexes, entities established in an eligible country but which are directly or indirectly controlled by China or by a legal entity established in China are not eligible to…”

Impact pathway and traps

The scope expects pilots or demonstration. Name the sites, the partners who run them and what is measured there.
Keep outputs, outcomes and impacts apart: what you deliver, what changes when others use it, and the long-term effect.
For each destination impact you claim, show which of your outcomes feeds it. Destination impacts are long-term effects, not project deliverables.
Name the barriers outside the project (regulation, markets, user behaviour) that could block uptake, and what you will do if they do.
Section 2.3 (the summary canvas) is optional on this call; the old split into scientific, economic and societal impact is no longer required.

The scope, as published

Demonstration of hydropower technology solutions which allow for efficient and forward-looking refurbishment of existing hydropower plants. Provided solutions must be socioeconomically and environmentally sustainable (including biodiversity) and provide a respective assessment. Issues which can be addressed are for example: Innovative design of turbines (and also draft tubes, nozzles and distributors) and generators, including innovative improvements based on future load cycles and extending their intended life time; new models and simulation tools for harsher operational conditions; digitalisation and artificial intelligence to advance instrumentation and controls and flexibility and to develop innovative operational strategies towards reduced O&M costs; transient aspect linked to new operating patterns of hydro plants to cope with climate changes and renewable base load; new materials for increased efficiency and resistance of equipment and increased performance, life time and resilience of infrastructure including e.g. phasing out of PFAS and mineral oils; low-GHG balance concrete; automated maintenance of metal hydropower turbines to reduce cost; operator hazards and reduce LCoE related to OPEX; Improving water uses resilience via integrated operations and management; simulation and forecasting tools for integrated risk and mitigation analysis for climate change adaptation and in response to extreme weather events by taking fully into account biodiversity requirements by targeting good ecological status and e.g. fish migration; water flows and sediment dynamics not hampering flexible hydropower production, innovative techniques for enhancing the life time of concrete structures and the overtopping safety of embankment and rockfill structures.

Technology readiness, as published

Activities are expected to achieve TRL 6-7 by the end of the project – see General Annex B. Activities may start at any TRL.

Source and attribution

Topic text from the official topic page on the EU Funding & Tenders Portal, retrieved 19 October 2026. © European Union, reused under Commission Decision 2011/833/EU (CC BY 4.0). Changes: the expected outcomes and impacts are split into numbered statements, long passages are shortened, and the evaluator checklist is GrantWise's own commentary. Your call and the Work Programme always win; check them before you submit. GrantWise is independent and not affiliated with, endorsed by, or acting on behalf of the European Commission.

Demonstration of hydropower technologies for efficient and forward-looking refurbishment of existing hydropower plants

Expected outcomes

Expected impacts named in the destination

What evaluators will look for in this topic

Expected outcomes

What the scope asks for

Conditions that shape the proposal

Impact pathway and traps

Other topics in HORIZON-CL5-2027-07

Source and attribution