Wind and solar power are now cheaper than natural-gas-fired electricity, and lithium-ion batteries can store the clean electricity those power sources produce for hours at a time. Green hydrogen could also fuel power plants that now burn natural gas, potentially making it a vital resource for helping power grids reach 100 percent zero-carbon energy. Green hydrogen as long-duration storage for zero-carbon power grids It could replace fossil fuels in hard-to-decarbonize sectors such as steel and cement manufacturing, shipping and aviation. Green hydrogen, made by using renewable electricity to power electrolyzers to split water molecules into hydrogen and oxygen, would be a zero-carbon alternative. But clean energy and climate activists fear the blue-hydrogen path could prolong the use of natural gas, itself a potent greenhouse gas when released into the atmosphere. Some fossil fuel and industrial gas companies have proposed adding carbon capture and storage systems to these plants to reduce or eliminate the CO 2 emissions, which would then result in what’s called blue hydrogen. But almost all of it is “gray hydrogen” made from natural gas in plants using a process that emits carbon dioxide. 4 million metric tons of hydrogen per year, mostly for use in fossil fuel refining and fertilizer and chemicals production, with much of the infrastructure to handle it in the U.S. Hy Stor has rights to develop several such underground sites, similar to ones that have been storing hydrogen for decades in Europe and Texas, Luce said. It will be kept in underground salt domes in Mississippi. Now she’s turning her attention to storing green hydrogen, which is hydrogen produced using clean power. Luce’s career in natural-gas storage includes leading roles with energy and utility company Sempra Energy and with NGS Energy, a developer backed by billionaire energy trader John Arnold’s Centaurus Advisors hedge fund. Hy Stor’s engineering, procurement and construction partner, Geostock Sandia, has a 50-year track record of building underground storage projects around the world, including hydrogen projects in Europe, she added.Īs for Hy Stor, Luce and her team have experience developing underground storage facilities for natural gas - more than $ 3 billion worth of such facilities that store about 100 billion cubic feet of gas across the country, she said. But she did say in an interview that Hy Stor’s financing partner, Canada-based Connor, Clark & Lunn Infrastructure, has more than $ 90 billion under management and is “absolutely engaged and committed to equity as extensive as is required.” Luce declined to specify how much her company’s hydrogen hub is expected to cost. to date, the Advanced Clean Energy Storage project in Utah, which is expected to come online in 2025 and cost more than $ 1 billion to build. That’s more than 10 times the 5, 500-metric-ton storage capacity of the next-largest green hydrogen project announced in the U.S.
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