Huff ‘n’ puff geothermal fracking: Earth batteries at 200% efficiency

Sage Geosystems has pioneered a new form of cheap energy storage that uses the Earth as a giant bellows, pumping water into underground fractures, then letting it squirt back up at 70% efficiency – or 200% efficiency if you also harvest heat energy.Con… Continue reading Huff ‘n’ puff geothermal fracking: Earth batteries at 200% efficiency

Single-bladed floating wind turbine promises half the cost, more power

We haven’t seen a floating offshore wind turbine like this before. Touchwind claims its innovative single-blade turbines will solve several problems to drive down cost and downtime, using a single, huge blade with no fancy active pitch controls.Continu… Continue reading Single-bladed floating wind turbine promises half the cost, more power

Ultra-hot carbon batteries promise super-cheap heat and energy storage

Bill Gates-backed startup Antora Energy is preparing to roll out a containerized, modular heat battery, designed to store renewable energy at the lowest possible cost – then release it efficiently as electricity or industrial process heat.Continue Read… Continue reading Ultra-hot carbon batteries promise super-cheap heat and energy storage

World’s largest wind turbine is now fully operational and connected

This colossal 16-MW turbine is now the largest ever connected to a power grid

Three Gorges Energy has connected the world’s first 16-megawatt monster offshore wind turbine to the power grid. With a mind-boggling 260-meter (853-ft) rotor diameter, this towering colossus will supply clean energy for about 36,000 Chinese homes.

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Fervo heralds a revolution in geothermal power technology

Fervo’s “next-generation geothermal” technology has proven itself in testing, becoming the most productive enhanced geothermal plant in history. The company hopes its approach will radically expand access to clean energy, like shale did for oil.Continu… Continue reading Fervo heralds a revolution in geothermal power technology

Renewables surprisingly “on track” to meet net zero by 2050

Renewable energy is taking off at exponential rates, putting global clean power “in line with ambitious net-zero scenarios.” A new report suggests fossil fuel demand in the energy sector has already peaked, and “will be in freefall” by 2030.Continue Re… Continue reading Renewables surprisingly “on track” to meet net zero by 2050

Ecojet airline aims to fly hydrogen-electric aircraft from 2025

Ecojet intends to refit conventional kerosene-fueled aircraft with hydrogen-electric powertrains, and operate as the

Green-energy businessman Dale Vince has revealed plans to set up the UK’s first electric aviation company. Ecojet will repurpose conventional aircraft to fly on hydrogen-electric power, with domestic flights planned to start as early as 2025.

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Super-cheap gigawatt-scale rust battery greenlit for Minnesota

Gates- and Bezos-backed startup Form Energy is one of the most exciting companies in the grid-level renewable energy storage space, with a multi-day iron-air battery system just 10% the cost of lithium. A 10-MW/1-GWh demo system has now been approved.C… Continue reading Super-cheap gigawatt-scale rust battery greenlit for Minnesota