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Heliogen and Bloom Energy demonstrate production of low-cost green hydrogen; concentrated solar and high-temp electrolysis

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Heliogen and Bloom Energy have successfully demonstrated the production of green hydrogen by integrating the companies’ technologies: Heliogen’s concentrated solar energy system and the Bloom Electrolyzer. Electricity accounts for nearly 80% of the cost of hydrogen from electrolysis. —Bill Gross, founder and CEO of Heliogen.

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Synhelion starts construction of DAWN demo plant to produce solar fuels

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ETH Zurich spin-off Synhelion has started the construction of DAWN—its own industrial plant to produce synthetic fuels using solar heat. The production process—using only solar heat—was first demonstrated in 2019 in a mini-refinery on the roof of ETH Zurich. Earlier post.)

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Japan team evaluates battery-assisted low-cost hydrogen production from solar energy

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The results from this study suggested a cost of hydrogen as low as ¥17 to ¥27/Nm 3 (US$0.16 - $0.25) using a combination of technologies and the achievement of ambitious individual cost targets for batteries, PV, and electrolyzers. For comparison, the US DOE’s 2020 target for the levelized cost of hydrogen (production only) is $2.30/kg.

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Monash study on solar-driven electrolysis for green hydrogen production cautions on life-cycle emissions and EROI

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Researchers at Monash University in Australia have conducted a lifecycle analysis and net energy analysis (LCA/NEA) of a hypothetical large-scale solar-electrolysis plant for the production of green hydrogen. Energy extraction and processing costs increase super-linearly with declining ore grade, and therefore will tend to worsen EROI.

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BloombergNEF forecasts green hydrogen should be cheaper than natural gas by 2050 in some markets; falling costs of solar PV key

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In a new piece of research, BloombergNEF (BNEF) finds that the levelized cost of hydrogen (LCOH 2 ) made from renewable electricity is set to fall faster than it previously estimated. These costs are 13% lower than BNEF’s previous 2030 forecast and 17% lower than its old 2050 forecast. MMBtu) by 2050 in most modeled markets.

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CPUC proposes revising Net Energy Metering rules to push customers to install storage with rooftop solar

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For more than 20 years, California has aggressively supported the rooftop solar market through its Net Energy Metering (NEM) program in Pacific Gas and Electric Company (PG&E), Southern California Edison (SCE), and San Diego Gas & Electric Company (SDG&E) territories. NEM has enabled 1.3 An independent third-party evaluation of NEM 2.0

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Space-based Solar Power: A Great Idea Whose Time May Never Come

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The scene: A space-based solar power station called the Converter being commissioned some time in the Future. The plot: The astronauts are training Cutie to take over the station’s operations, which involve collecting solar energy in space and then directing it as intense beams of microwaves down to Earth. For example, U.K.-based

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