Energy Entrepreneurs Fund (EEF)
Usually opens in March and April and September
Projected from the months this call usually opens — not a date the funder has confirmed.
Projected from the pattern of past calls — confirm on the funder's page before planning around it.
Historically grants of roughly GBP 100,000 to GBP 1 million plus incubation support for SMEs developing energy efficiency, power generation, heat and storage technologies.
You must co-fund 50%.
Department for Energy Security and Net Zero (DESNZ)
public · national
Deadline: closed — Ran in numbered phases (Phases 1-9) roughly annually since 2012, each with a several-week application window.
This funder does not publish a success rate. We rank it using the rate observed across similar programmes and label it as an estimate rather than implying we know.
Quick — mostly identity and bank details.
You fund 50% yourself.
Who can apply
- medium enterprises
- Sectors: energy, climate
- Stage: pre_seed, seed, series_a
- R&D activity required
- Locally registered entity required
Targeted at SMEs; grants historically required significant match funding.
Source. https://www.gov.uk/government/collections/energy-entrepreneurs-fund — checked 2026-08-14 · not human-checked