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Bethesda, Maryland, October 24, 2023 – Hull Street Energy (“HSE”) has made a strategic investment in Upstream Tech. The highly accomplished Upstream Tech team has an extensive successful track record in software engineering and environmental analysis. HydroForecast is critically acclaimed, the most accurate river flow forecast available, and has resulted in smarter utilization of the world’s most precious natural resource, freshwater. It has also improved operating efficiency and infrastructure safety for numerous institutions. Lens is a remote monitoring platform that has expansive access to satellite and aerial imagery, supporting the monitoring, protection and restoration of millions of acres of land around the world.

“We started the company looking to bring our team’s unique mix of software engineering, machine learning, and environmental knowledge to bear on critical natural resource management issues,” said Upstream Tech Co-Founder and Chief Executive Officer, Marshall Moutenot. “Along the way, we built a team of passionate engineers and scientists who share our values and have shaped the company. We are pleased to welcome HSE as a new strategic partner, as we expand our team and continue our mission of accelerating the pace, scale, and impact of environmental work around the globe.”

HSE actively targets opportunities to invest in energy transition-related businesses and infrastructure with best-in-class teams, such as Upstream Tech. “We believe that, in the face of climate change, water and other forms of geoscientific forecasting will become increasingly important and necessary,” said Sarah Wright, Founder and Managing Partner of HSE. “The products and services that Upstream Tech has developed are state-of-the-art.”

Faegre Drinker Biddle & Reath acted as legal counsel to HSE. DLA Piper LLP acted as legal counsel to Upstream Tech.

About Hull Street Energy, LLC
Hull Street Energy is a private equity firm that specializes in deploying capital into the power sector as it decarbonizes. Headquartered in Bethesda, Maryland, the team leverages its decades of experience and unique knowledge of North American electricity infrastructure, fundamentals, and grid operations, including fuel inputs, commodity contract structuring, renewable and fossil powered generation assets, energy storage, transmission and distribution systems, and electricity demand-side businesses to build value for stakeholders. For further information about Hull Street Energy please see

About Upstream Tech
Upstream Tech is a US-based corporation that builds software for making planetary decisions. HydroForecast is a next-generation global water forecast offering short-term and seasonal forecasts and long-term climatological outlooks. Lens is a remote monitoring and reporting platform that expands access to a vast library of geospatial data and remote imagery. For further information about Upstream Tech visit Upstream Tech’s open positions are listed at

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