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Hydroelectric energy has been the backbone of many Latin American power systems. In Ecuador, roughly two-thirds of electricity has historically come from hydro plants, which keeps emissions low but exposes the grid to droughts and changing rainfall patterns.
Recent blackouts have shown that large dams alone are not enough to guarantee reliable supply.
RDT’s approach to hydro is selective and impact-focused. Instead of building new large reservoirs, we prioritize low-impact small and medium hydro plants that use the natural terrain and river flow, such as cascade schemes and run-of-the-river systems. These projects harvest energy from flowing water with limited flooding, smaller footprints and more predictable social and environmental outcomes.
Combined with pumped-storage hydro, these assets can provide flexible capacity that supports solar, wind, geothermal and waste-to-energy plants, reducing the need for expensive diesel and fuel-oil peakers while maintaining grid stability.
Hydroelectric Program at a glance
Scope
Portfolio of small-scale run-of-river hydro plants (<10 MW) designed to minimize environmental and social impact through natural cascades and low-impact civil works.
Scale and Outputs
Program concept of approximately 78 MW of installed capacity across selective sites, delivering firm renewable power with minimal seasonal variability.
Economics
Program CAPEX of approximately US$196 million, supporting projected annual EBITDA of ~US$90.7 million, based on current engineering and regulated tariff assumptions. Modelled CO₂ reduction of ~1.2 million tons per year versus thermal generation.
Return Drivers
Regulated or long-term PPAs, firm baseload generation, and operational integration with RDT’s solar, wind, geothermal and storage platforms.
Model-Based Returns
Based on current project models, Hydropower projects are structured to target model-based project IRRs of approximately 21%–32%, subject to final site selection, permits, tariffs and execution.
Strengthen Your Portfolio With Selective Hydro
See how RDT’s low-impact hydro and pumped-storage projects can firm up renewable portfolios, hedge hydrological risk and create long-term contracted cash flows alongside WTE, solar and geothermal assets. Schedule a call to review suitable sites and structures for your mandate.