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Horizon Europe Tips & Tricks

Want to boost your chances of success in Horizon Europe calls without the guesswork?

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This resource hub compiles our firsthand insights from preparing and reviewing over 70 Horizon Europe proposals. Each page below breaks down a specific 2026 or 2027 topic, covering what evaluators look for, which consortium profiles score highest, and where most applicants lose points. Below the tips for topic proposals, you will find our general methodology guides covering everything from structuring your Excellence section to navigating lump sum budgets.

Tips & tricks for preparing competitive 2026/2027 topic proposals

Deadlines in 2026

HORIZON-CL5-2026-09-D2-01: BATT4EU Sustainable battery materials for electrodes
Deadline
15 September 2026
Open
HORIZON-CL5-2026-09-D4-08: Boosting industrial efficiency with heat upgrade technologies
Deadline
15 September 2026
Open
HORIZON-HLTH-2026-02-DISEASE-12: European rare diseases partnership
Deadline
15 September 2026
Open
HORIZON-CL6-2026-01-BIODIV-02: Developing methods to assess the functions of groundwater ecosystems
Deadline
17 September 2026
Open
HORIZON-CL6-2026-01-CIRCBIO-07: Advancing bio-based solutions in Europe
Deadline
17 September 2026
Open
HORIZON-CL6-2026-01-ZEROPOLLUTION-01: assessment of marine ecosystems disturbance by underwater noise
Deadline
17 September 2026
Open
HORIZON-CL6-2026-01-ZEROPOLLUTION-03: Developing managed aquifer recharge techniques
Deadline
17 September 2026
Open
HORIZON-CL6-2026-01-ZEROPOLLUTION-01-two-stage: Decontaminate and bioremediate aquatic pollution
Deadline
23 September 2026
Open
HORIZON-CL5-2026-10-D2-03: Next-gen Lithium batteries for mobility
Deadline
08 October 2026
Upcoming call
HORIZON-CL4-2026-02-DIGITAL-EMERGING-51-two-stage: AI-enhanced manufacturing and production processes
Deadline
13 October 2026
Open
HORIZON-CL4-2026-02-DIGITAL-EMERGING-53-two-stage: Innovative AI methods for the process industries
Deadline
13 October 2026
Open
HORIZON-CL4-2026-02-MAT-PROD-21-two-stage: Safe & sustainable chemical alternatives development
Deadline
13 October 2026
Open
HORIZON-CL3-2026-01-FCT-06: Biosecurity & bioterrorism prevention in synthetic biology
Deadline
05 November 2026
Open
HORIZON-CL3-2026-01-DRS-02: Multi-hazard approach and cumulative / cascading impacts
Deadline
05 November 2026
Open
HORIZON-CL3-2026-01-DRS-03: Development of innovative tools, processes, equipment & technologies
Deadline
05 November 2026
Open
HORIZON-CL3-2026-01-DRS-04: Open topic on driving innovation uptake of disaster risk solutions
Deadline
05 November 2026
Open
HORIZON-CL3-2026-01-SSRI-01: Supporting disruptive technological innovations for civil security
Deadline
05 November 2026
Open
HORIZON-CL3-2026-01-INFRA-02: Security challenges of the green transition in urban and peri-urban areas
Deadline
05 November 2026
Open
HORIZON-CL3-2026-01-INFRA-03: Innovative capabilities for resilience to natural & human-induced disasters
Deadline
05 November 2026
Open
HORIZON-CL5-2026-11-D3-14: Improved system design for innovative PV applications
Deadline
01 December 2026
Upcoming call
HORIZON-HLTH-2026-01-DISEASE-03 prevention and treatment of post-infection conditions
Deadline
16 April 2026
Closed
HORIZON-HLTH-2026-01-TOOL-03 NAMs for biomedical research
Deadline
16 April 2026
Closed
HORIZON-HLTH-2026-01-DISEASE-11 gender-specific mechanisms of cardiovascular diseases
Deadline
16 April 2026
Closed
HORIZON-CL5-2026-07-D1-05 Improving climate and weather models for Africa
Deadline
15 Apr 2026
Closed
HORIZON-HLTH-2026-01-DISEASE-04 novel vaccines for viral pathogens
Deadline
16 April 2026
Closed

Deadlines in 2027

HORIZON-CL6-2027-01-BIODIV-01: Remote sensing for interoperable observation and data framework
Deadline
22 September 2027
Upcoming call
HORIZON-CL6-2027-01-BIODIV-03: Technical innovation to protect ecosystems and scale up restoration
Deadline
22 September 2027
Upcoming
HORIZON-HLTH-2027-02-DISEASE-14-two-stage: Innovative interventions for neurodegenerative diseases
Deadline
13 April 2027 (Stage 1),
22 September 2027 (Stage 2)
Upcoming call
HORIZON-HLTH-2027-02-DISEASE-01-two-stage: Interventions for Non-Communicable Diseases
Deadline
13 April 2027 (Stage 1),
22 September 2027 (Stage 2)
Upcoming call
HORIZON-HLTH-2027-02-IND-02-two-stage: Portable & versatile point-of-care diagnostics
Deadline
13 April 2027 (Stage 1),
22 September 2027 (Stage 2)
Upcoming call
HORIZON-HLTH-2027-02-TOOL-01-two-stage: Predictive biomarkers using AI in NCDs
Deadline
13 Apr 2027 (Stage 1),
22 September 2027 (Stage 2)
Upcoming call
HORIZON-CL4-2027-02-MAT-PROD-32-two-stage: Renewable energy & smart management for process industries
Deadline
02 February 2027 (Stage 1),
02 September (Stage 2)
Upcoming call
HORIZON-CL6-2027-01-BIODIV-07: Health of ecosystem & wild species under existing & emerging stressors
Deadline
22 September 2027
Upcoming
HORIZON-CL6-2027-02-CLIMATE-01-two-stage: Smart solutions for water security in Europe
Deadline
8 April 2027 (Stage 1),
14 September (Stage 2)
Upcoming call
HORIZON-CL6-2027-03-GOVERNANCE-04: AI supporting farmers & foresters to improve competitiveness & sustainability
Deadline
11 May 2027
Upcoming call
HORIZON-CL5-2027-03-D5-05: High Voltage, Megawatt Charging, modular powertrain for HDV System
Deadline
14 April 2027
Upcoming call
HORIZON-CL5-2027-03-D5-18: Enhanced electric operation and battery durability (ZEWT Partnership)
Deadline
14 April 2027
Upcoming call
HORIZON-HLTH-2027-03-TOOL-08: Towards Artificial General Intelligence (AGI) for healthcare
Deadline
22 September 2027
Upcoming call
HORIZON-HLTH-2027-03-TOOL-04: Virtual human twins for clinical decision support in prevention & diagnosis
Deadline
22 September 2027
Upcoming call
HORIZON-HLTH-2027-03-TOOL-02: Advancing bioprinting of living cells for regenerative medicine
Deadline
22 September 2027
Upcoming call
HORIZON-CL5-2027-05-D4-09: Demonstration of heat recovery systems to mechanical and electrical power
Deadline
15 September 2027
Upcoming call
HORIZON-CL5-2027-05-D2-08: Demonstration for long-duration battery energy storage systems
Deadline
15 September 2027
Upcoming call
HORIZON-CL5-2027-05-D4-06: Thermal energy optimization for IT & edge data centers
Deadline
15 September 2027
Upcoming call
HORIZON-HLTH-2027-01-ENVHLTH-02: Integrating climate-related exposures into the human exposome
Deadline
13 April 2027
Upcoming call
HORIZON-HLTH-2027-01-ENVHLTH-MISSCLIMA-03: Tools to support health adaptation to climate change
Deadline
13 April 2027
Upcoming call
HORIZON-CL4-2027-04-DATA-09: Energy efficiency and sustainability of AI data processing in data centres
Deadline
18 March 2027
Upcoming call
HORIZON-HLTH-2027-01-CARE-02: Risk reduction of Adverse Drug Reactions due to multiple medication administration
Deadline
13 April 2027
Upcoming call
HORIZON-CL4-2027-04-DATA-03: New approaches for decentralized it across edge, cloud and HPC systems
Deadline
18 March 2027
Upcoming call
HORIZON-HLTH-2027-01-STAYHLTH-01: Independent living support for people with disabilities
Deadline
13 April 2027
Upcoming call
HORIZON-HLTH-2027-01-DISEASE-10: Prevention of chronic non-communicable diseases in children
Deadline
13 April 2027
Upcoming call
HORIZON-HLTH-2027-01-DISEASE-07: Development of antibodies for multi-virus protection
Deadline
13 April 2027
Upcoming call
HORIZON-HLTH-2027-01-DISEASE-06: Development of monoclonal antibodies for Flavivirus Infections
Deadline
13 April 2027
Upcoming call
HORIZON-HLTH-2027-01-DISEASE-05: Development of small-molecule antivirals for epidemic threats
Deadline
13 April 2027
Upcoming call
HORIZON-HLTH-2027-01-DISEASE-08: Development of innovative antimicrobials against resistant pathogens
Deadline
13 April 2027
Upcoming call
HORIZON-HLTH-2027-01-IND-01: Cell-free protein synthesis for biologicals
Deadline
13 April 2027
Upcoming call
HORIZON-CL5-2027-02-D3-15 High-performance solar PV production technologies for the future
Deadline
13 April 2027
Upcoming call
HORIZON-CL5-2027-02-D3-30: Advancements in Direct Air Capture
Deadline
31 March 2027
Upcoming call
HORIZON-CL4-2027-04-DATA-08: 3C pilot demonstrators on converged Telco Edge Cloud Infrastructure
Deadline
18 March 2027
Upcoming call
HORIZON-CL5-2027-02-D2-06: Sustainable cell production techniques for Lithium- & Sodium-ion batteries
Deadline
31 March 2027
Upcoming call
HORIZON-CL4-2027-04-DIGITAL-EMERGING-05: AI and Robotics system integration for industry
Deadline
18 March 2027
Upcoming call
HORIZON-CL4-2027-01-MAT-PROD-03: Next-gen factory processes for de- & re-manufacturing
Deadline
02 February 2027
Upcoming call
HORIZON-CL4-2027-01-MAT-PROD-22: Produce advanced materials for raw material independence
Deadline
02 February 2027
Upcoming call
HORIZON-CL4-2027-01-MAT-PROD-02: Advance manufacturing for strategic EU industrial products
Deadline
02 February 2027
Upcoming call
HORIZON-CL4-2027-01-MAT-PROD-06: Driving circular innovation in advanced materials
Deadline
02 February 2027
Upcoming call
HORIZON-HLTH-2026-03-DISEASE-13: EU Partnership for Pandemic Preparedness
Deadline
13 April 2027
Upcoming call
HORIZON-CL3-2027-01-DRS-01 Smart protective gear for CBRN-E environments
Deadline
04 November 2027
Upcoming call

Practical tips & tricks for Horizon Europe proposal preparation

Horizon Europe: Guide for beginners
How to integrate the gender dimension into your Horizon Europe project proposal
Navigating differences between Dissemination, Communication, and Exploitation in Horizon Europe
Integrating Social Sciences and Humanities (SSH) in Horizon Europe projects
Lump sum funding for beginners
Excellence Section – Horizon Europe
Research and Innovation Actions under Horizon Europe
What are H2020 MSCA- Innovative Training Networks (MSCA-ITN)?
How to write a successful HE MSCA postdoctoral fellowship proposal?
MSCA (IF, ITN, RISE…): Novelties under Horizon Europe
Horizon Europe implementation strategy – Novelties
How to write a successful HE MSCA doctoral network proposal?
How to write a successful H2020 MSCA-IF proposal?
How to write a successful H2020 MSCA-ITN proposal?
What are H2020 MSCA individual fellowships (MSCA-IF)?
How to find an industrial partner for your Horizon Europe project?
Horizon Europe – Impact section
How to write a successful Horizon Europe RIA proposal?
What are Horizon Europe Research and Innovation Actions (RIA)?
Horizon Europe proposal tips: How to make your proposal stand out from the crowd?