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MIT researchers propose subsea version of pumped hydro for renewable energy storage

Green Car Congress

Researchers at MIT are proposing using a variation on pumped hydroelectric systems for storage of electricity produced by offshore wind farms. The key to this Ocean Renewable Energy Storage (ORES) system is the placement of 30-meter-diameter hollow concrete spheres on the seafloor under the wind turbines. Earlier post.).

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MITEI study finds hydrogen-generated electricity is a cost-competitive candidate for backing up wind and solar

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A team at MITEI (MIT Energy Initiative) has found that hydrogen-generated electricity can be a cost-competitive option for backing up wind and solar. California draws more than 20% of its electricity from solar and approximately 7% from wind, with more VRE coming online rapidly. —Drake Hernandez.

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Sun Catalytix Signs $4M ARPA-E Contract and Forms Scientific Advisory Board; Affordable Catalysts for Water Splitting

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The SAB is chaired by John Deutch, Institute Professor at MIT, whose government experience includes service as Director of Energy Research and Undersecretary of the Department of Energy, and Undersecretary of Defense for Acquisition and Technology. Earlier post.). —John Deutch.

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MIT Report Finds Natural Gas Has Significant Potential to Displace Coal, Reducing Greenhouse Gas Emissions; Role in Transportation More Limited

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Natural gas will play a leading role in reducing greenhouse-gas emissions over the next several decades, largely by replacing older, inefficient coal plants with highly efficient combined-cycle gas generation, according to a major new interim report out from MIT. The first two reports dealt with nuclear power (2003) and coal (2007).

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Separate MIT, IEA reports both outline major expansion in role of natural gas; caution on climate benefits

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” The MIT report said that natural gas should be seen as a “ bridge ” to a low-carbon regime, rather than as the ultimate long-term solution itself. MIT: The Future of Natural Gas. Separately, the International Energy Agency (IEA) released its own report exploring the potential for a “golden age” of gas. Source: IEA.

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Sun Catalytix Completes $9.5M Series B Round; Round Led by Tata Limited

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Sun Catalytix is developing catalysts that use intermittent renewable energy, including solar and wind energy, to split water into storable hydrogen and oxygen—a process that mimics photosynthesis. —MIT Professor and Sun Catalytix Founder Daniel Nocera.

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This lithium-free battery startup just raised $78M in Series C funding

Baua Electric

It can be used for a range of stationary storage use cases, including utility grids, home storage, microgrids, industrial applications, and more. Alsym batteries are ideally suited to both temperate and warming climates, as well as infrastructure and industrial applications including datacenters, steel mills, and chemical plants.