# Challenge Programme 2027 – Unravelling electron transfer mechanisms in hybrid bio-electrocatalysis

**Funder:** Novo Nordisk Foundation
**Budget:** DKK 30–75 million per grant (ca. EUR 4–10 million); total pool ca. EUR 20 million
**Duration:** 6 years
**Consortium:** Required — 2–4 research groups (main applicant + 1–3 co-applicants); at least one applicant must be based at a Danish institution
**Application:** 2-stage: Stage 1 expression of interest → Stage 2 full proposal + online presentation with review panel
**TRL:** 1-3
**Frequency:** One-off
**Eligible countries:** AT, BE, BG, HR, CY, CZ, DK, EE, FI, FR, DE, GR, HU, IE, IT, LV, LT, LU, MT, NL, PL, PT, RO, SK, SI, ES, SE, IS, LI, NO, CH, GB
**Official call:** https://novonordiskfonden.dk/en/grant/challenge-programme-2027-unravelling-electron-transfer-mechanisms-in-hybrid-bio-electrocatalysis/
**Last verified:** 4 July 2026

> **Recently updated:** catalog cleanup 2026-07-04: Oct date was not the published Stage-1 deadline per NNF

## Eligibility & scope

Main applicant must be tenured/tenure-track at a European (EU, Schengen Area, or UK) university, hospital, or non-profit research org, employed ≥75%. At least one applicant must be ≥75% employed at a Danish institution. Co-applicants may be global. Interdisciplinary fundamental research (TRL 1–3) on electron transfer in hybrid bio-electrocatalytic systems; data science component strongly encouraged. Industry partners may collaborate but cannot receive funding.

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Source: [The Great Grantsby](https://grantsby.eu/grants/novo-nordisk-foundation-challenge-programme-2027-unravelling-electron-tran-2026-10) — EU grant monitoring for academic researchers. Always verify details on the funder's website before applying.