From its headquarters in Bogotá, Colombia, the Dewhurst Group leads the management of the Geothermal Development Fund for Latin America (GDF). The fund was officially announced on April 25, 2016 in Reykjavik, Iceland, during the GGDP Roundtable organized by the World Bank and ESMAP. The GDF is the first multi-donor climate initiative designed to boost geothermal energy development in Latin America. To date, it has awarded €50 million to geothermal projects in the region and will continue to allocate resources over its expected ten-year lifespan.

The GDF is managed by IDA Fund Management, LLC (IDA), a US partnership formed by Interlink Capital Strategies and the Dewhurst Group, selected through a competitive process. Interlink provides its financial expertise, while the Dewhurst Group focuses on the approval and development of specific geothermal project initiatives submitted by applicants.