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| Water, solar and wind are essential for a sustainable transformation of our energy systems. Distributed solar and wind farms proliferate, but energy harvesting from water is trapped in a century-old damming paradigm with high up-front costs and ecological impacts. And yet, as a river runs down to the ocean, there is enormous amount of kinetic energy that could be sustainably harvested, if done without impoundments that break up the run of the river. An environmentally friendly alternative, known as hydrokinetic or run-of-the-river power extraction, harvests a portion of the kinetic energy in the river at relatively small, local scales at multiple places along the river. However, these projects are characterized by uncertainty in generated output and strong weather/climate dependence. They are typically developed in an ad-hoc manner without prior large-scale analysis of determining optimum locations, online analysis of the produced output, or effective decentralized control of distributed hydrokinetic generators. Furthermore, climate change introduces highly variable weather patterns that alternate benign conditions with catastrophic levels of wind, precipitation, temperature extremes, and droughts. \\ | Water, solar and wind are essential for a sustainable transformation of our energy systems. Distributed solar and wind farms proliferate, but energy harvesting from water is trapped in a century-old damming paradigm with high up-front costs and ecological impacts. And yet, as a river runs down to the ocean, there is enormous amount of kinetic energy that could be sustainably harvested, if done without impoundments that break up the run of the river. An environmentally friendly alternative, known as hydrokinetic or run-of-the-river power extraction, harvests a portion of the kinetic energy in the river at relatively small, local scales at multiple places along the river. However, these projects are characterized by uncertainty in generated output and strong weather/climate dependence. They are typically developed in an ad-hoc manner without prior large-scale analysis of determining optimum locations, online analysis of the produced output, or effective decentralized control of distributed hydrokinetic generators. Furthermore, climate change introduces highly variable weather patterns that alternate benign conditions with catastrophic levels of wind, precipitation, temperature extremes, and droughts. \\ | ||