Funders active in the Pacific Islands and small island states
202 matching capital sources on the AESFIP database · Last checked October 2026
Small island states face the sharpest climate risks with the smallest budgets. Funding here is dominated by grants and concessional money for adaptation, coastal protection, disaster risk insurance and replacing imported diesel with renewable power.
These funders have an active mandate covering the Pacific Islands. Regional bodies and accredited national entities are often the route in, and many funders have simplified access for small island states.
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The funders
Each profile shows mandate, instruments and sector appetite. Verified contacts and application routes are available to members.
- Green Climate Fund Pacific Regional ProgrammesProgramme Window · South KoreaGCF's dedicated support to Pacific small island developing states, delivered through regional accredited entities such as SPREP, SPC and the Pacific Community, prioritising adaptation and resilience.GrantsConcessional DebtTechnical Assistance
- Pacific Islands Forum Pacific Resilience FacilityClimate Fund · TongaA Pacific-owned and Pacific-led climate and disaster resilience fund providing grants directly to community-level preparedness and adaptation projects in Forum member countries.GrantsResults-based Finance
- Australia Department of Foreign Affairs and Trade Climate ProgrammesGovernment Agency · AustraliaAustralia's international climate finance, concentrated on Pacific and Southeast Asian adaptation, resilience and clean energy, including the AIFFP infrastructure facility and Partnerships for Infrastructure.GrantsTechnical AssistanceConcessional Debt
- New Zealand Ministry of Foreign Affairs and Trade Climate FinanceGovernment Agency · New ZealandNew Zealand's international climate finance commitment, delivered mainly as grants to Pacific island countries for adaptation, renewable energy and ocean resilience.GrantsTechnical Assistance
- Japan Fund for the Joint Crediting Mechanism (JFJCM)Climate FundThe Japan Fund for the Joint Crediting Mechanism (JFJCM) is a single donor trust fund established in 2014 and managed by ADB. The fund aims to provide financial incentives for the adoption of advanced low-carbon technologies in ADB-financed and administered sovereign and nonsovereign projects. The fund will provide grants and technical assistance (TA) to ADB projects utilizing the Joint Crediting Mechanism (JCM). The fund seeks to increase the sustainability of ADB-financed and administered projects through the use of advanced low-carbon technologies. The use of JFJCM grants will demonstrate the effectiveness of the JCM and provide a source of additional funding to eligible ADB developing member countries (DMCs). The fund will also offer the opportunity for recipients to engage in projects with strong development characteristics and long-term climate change mitigation benefits. The JFJCM also aims to contribute to global climate change and development initiatives such as the Paris Agreement and the Sustainable Development Goals.Grants
- UK-ASEAN Catalytic Green Finance Facility Trust Fund (UK-ACGF)Climate FundThe United Kingdom–ASEAN Catalytic Green Finance Facility (UK-ACGF) is a single-partner trust fund established in March 2023 under the ASEAN Catalytic Green Finance Facility (ACGF), a facility of the ASEAN Infrastructure Fund (AIF). The objective of the UK-ACGF fund is to support developing member countries in Southeast Asia to transition to low-carbon and climate-resilient development pathways. The objective of the facility is to accelerate the development of green infrastructure by better utilizing public funds to create bankable projects and catalyze private capital, technologies, and management efficiencies. It is managed by ADB’s Southeast Asia Green Finance Hub.Concessional DebtDebtGrants
- Australian Climate Finance Partnership (ACFP)Climate FundThe Australian Climate Finance Partnership (ACFP) is a concessional financing facility managed by the Asian Development Bank (ADB) and funded by the Australian Department of Foreign Affairs and Trade (DFAT) through a grant contribution of up to AU$140 million. The ACFP is designed to catalyze financing for private sector climate adaptation and mitigation projects in eligible countries in the Pacific and Southeast Asia. ACFP projects will also promote recovery from the COVID-19 (Coronavirus) pandemic, as well as gender equality and better economic opportunities for women and girls.Concessional DebtDebtTechnical Assistance
- Ireland Trust Fund for Building Climate Change and Disaster Resilience in Small Island Developing StatesClimate FundThe Ireland Trust Fund for Building Climate Change and Disaster Resilience in Small Island Developing States (BCCDR), is a single-partner trust fund that aims to help increase the resilience of small island developing states (SIDS) to disasters caused by natural hazards, and to the impacts of climate change. This fund also aims to help increase investments in climate change mitigation and adaptation among the SIDS.GrantsTechnical Assistance
- Climate Innovation and Development Fund (CIDF)Climate FundThe Climate Innovation and Development Fund (CIDF) is a $25 million, ADB-managed concessional financing fund established with grant commitments from Bloomberg Philanthropies and Goldman Sachs. The purpose of the fund is to support sustainable, low-carbon economic development in developing countries in South and Southeast Asia by accelerating the pace, scale, and ambition of climate solutions, thereby contributing to the clean energy transition. CIDF has been designed to support climate mitigation and adaptation projects in India and Viet Nam. ADB will deploy funds as grants into its non-sovereign operations to support innovative and high-impact climate projects. By offering concessional finance to de-risk projects, the fund aims to leverage up to $500 million in additional financing for private sector innovation in areas such as conventional and non-conventional renewable power generation, sustainable transport, climate-smart urban solutions, grid optimization technology, agriculture and land use, and green manufacturing and construction. ADB will select project types and financing models that are replicable and have a high potential to scale up in the broader market once initial successful transactions are demonstrated. See how the fund is implemented.Grants
- Urban Climate Change Resilience Trust Fund under UFPF (UFPF-UCCRTF)Climate FundThe fund was established in 2013 under the Urban Financing Partnership Facility to help build the resilience of fast-growing medium-sized cities and reduce the risks that poor and vulnerable populations face from climate-related shocks and stresses, through better planning and investments in resilient infrastructure.Grants
- Urban Resilience Trust Fund under the Urban Financing Partnership facility (UFPF-URTF)Climate FundURTF is a multi-donor trust fund under the Urban Financing Partnership Facility that aims to build the capacity of cities and the relevant national and subnational urban agencies, communities, and the private sector to integrate climate resilience into their policies and to support them to develop and effectively implement a pipeline of resilience projects through public or private investments.Grants
- Irish Aid Climate FinanceGovernment Agency · IrelandIreland's climate finance, targeting adaptation, food systems and loss and damage support in least developed countries and small island developing states.GrantsTechnical Assistance
- GEAPP Energy Access and Transition Trust Fund (GEATTF)Climate FundGlobal Energy Alliance for People and Planet (GEAPP) Energy Access and Transition Trust Fund (GEATTF) is a single-partner trust fund established in 2023 under the Innovative Finance Facility for Climate in Asia and the Pacific Financing Partnership Facility (IF-CAP). It aims to accelerate and scale inclusive energy access for poor and vulnerable populations. One of the key objectives of the fund is to support an equitable transition to clean energy across developing and emerging economies in developing member countries. The fund will support projects, activities, and investments that are aligned with the following objectives: Catalyze affordable and reliable clean energy access for poor and vulnerable populations without access, by sourcing and de-risking scalable innovative distributed renewable energy (DRE) and energy transition solutions, and through support for enhanced grid capacity, through the public and private sector, in frontier and emerging markets; Help DMCs develop and enact policy and regulatory measures to accelerate increased investment in DRE, energy transition and other related projects; Reduce greenhouse gas (GHG) emissions by supporting DRE and energy transition projects, including projects that accelerate the retirement of coal-fired power plants, to increase the share of clean energy and support green recovery that improves energy access for unserved and underserved communities; Leverage blending of concessional instruments to crowd-in additional investmConcessional DebtDebtGrants
- Asian Development BankMDB · PhilippinesThe principal multilateral development bank for Asia and the Pacific, financing climate mitigation and adaptation through sovereign lending, private sector operations, guarantees and technical assistance. ADB has committed to $100bn of cumulative climate finance to 2030 and hosts the Energy Transition Mechanism.DebtConcessional DebtEquity
- EU Global Gateway - Asia and the PacificProgramme Window · BelgiumThe EU's Global Gateway investment package for Asia and the Pacific, combining EFSD+ guarantees, blending grants and Team Europe finance to crowd private capital into green connectivity, energy and digital infrastructure.GrantsGuaranteesConcessional Debt
- Japan Green Transformation (GX) and JICA Climate FinanceGovernment Agency · JapanJapan's climate-related ODA lending, grants and technical cooperation, including Asia Zero Emission Community initiatives and private sector investment finance for green projects.Concessional DebtGrantsTechnical Assistance
- Mirova Sustainable Ocean FundImpact Investor · FranceEquityMezzaninePatient Debt
- Blue Action FundClimate Fund · GermanyGrantsTechnical Assistance
- Global Center on AdaptationFoundation · NetherlandsGrantsTechnical AssistanceAdvisory
- Conservation International VenturesImpact Investor · United StatesPatient DebtGrants
- UNCDF - UN Capital Development FundBlended Finance Facility · United StatesGrantsConcessional DebtGuarantees
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Showing 21 of 202 matching capital sources. The remaining 181 — including their verified routes, ticket sizes and eligibility criteria — are reserved for members.
Common questions
- What climate funding is available for small island states?
- Grants and concessional finance for adaptation, coastal resilience, early warning systems, disaster insurance and renewable energy, from climate funds, development banks and donor governments.
- Do small island states get easier access to climate funds?
- Several funds, including the GCF and the Adaptation Fund, prioritise small island states and offer readiness support and simplified approval for smaller projects.