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Sandia innovation eliminates reliance on rare-earth magnets for large-scale wind turbines

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Motivated by the need to eliminate expensive rare-earth magnets in utility-scale direct-drive wind turbines, Sandia National Laboratories researchers have developed a fundamentally new type of rotary electrical contact. I started thinking that maybe not every conceivable rotary electrical contact architecture has been thought of yet.

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EIA: natural gas-fired reciprocating engines are being deployed more to balance renewables

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Source: US Energy Information Administration, Preliminary Monthly Electric Generator Inventory, January 2019. Reciprocating engines tend to be smaller than other types of natural gas-fired electricity generators and account for a relatively small share of power plants fueled by natural gas.

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Bloomberg NEF forecasts falling battery prices enabling surge in wind and solar to 50% of global generation by 2050

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This year’s outlook is the first to highlight the significant impact that falling battery costs will have on the electricity mix over the coming decades. BNEF predicts that lithium-ion battery prices, already down by nearly 80% per megawatt-hour since 2010, will continue to tumble as electric vehicle manufacturing builds up through the 2020s.

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BNEF: global investment in low-carbon energy transition hit $755B in 2021; up 27% from 2020; electrified transport grew the fastest

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In 2021, global investment in the low-carbon energy transition totaled $755 billion, up 27% from $595 billion in 2020 and just $264 billion in 2011, according to Energy Transition Investment Trends 2022, a new report published by research firm BloombergNEF (BNEF). from the year prior.

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Vattenfall contracts with BMW for up to 1,000 new 33 kWh Li-ion batteries this year for storage projects in wind farms

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The first energy storage from the BMW-i3 batteries is being built at the 122 MW onshore wind farm “Princess Alexia” near Amsterdam. It is meant to maintain the security of supply with a feed-in of 100% renewable energy. Other possible applications would be electricity storage in private households. With a capacity of 3.2

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Global investment in renewable power reached $270.2B in 2014, ~17% up from 2013; biofuel investment fell 8% to 10-year low

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Global investment in renewable power and fuels (excluding large hydro-electric projects) was $270.2 Global investment in renewable power and fuels (excluding large hydro-electric projects) was $270.2 billion set in 2011. billion of final investment decisions on offshore wind projects in Europe. billion.

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

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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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