Ayrton Fund (UK International Climate Finance)

Programme Window
United Kingdom

UK government clean energy innovation fund (£1bn) under UK International Climate Finance, backing research, demonstration and early deployment of clean energy technologies in developing countries, with a strong Africa focus. Deployed through delivery partners and programmes such as Transforming Energy Access (TEA), Ayrton Challenge Funds, MECS and Climate Compatible Growth rather than direct project finance.

Geographic focus

Central Asia
East Asia
Eastern Europe
Global
Latin America & Caribbean
Middle East
Pacific Islands
Pan-African
South Asia
Southeast Asia
Sub-Saharan Africa

Sector appetite

Clean Energy
Energy Access
Off-grid Energy
Mini-grids
Energy Efficiency
Climate Tech
Renewable Energy

Instruments & programmes

What a client can actually approach this organisation for, and how access works.

  • Transforming Energy Access (TEA) calls
    Grant Window
    Rolling

Related capital sources

Other funders with an overlapping mandate.

Browse by theme in the finance guides.

Members-only detail for Ayrton Fund (UK International Climate Finance)

Membership unlocks the iSustain score and how it was built, the access difficulty rating and expected timeline, typical ticket sizes, readiness requirements, partnership preferences, contact routes and the full detail of all 1 profiled instruments and programmes, including eligibility and how to apply.