Energy
Off the northern tip of Scotland sits the world's largest tidal power station, turbines bolted to the seabed that spin with the pull of the moon to make the most predictable renewable energy on Earth
By Bruno Teles · June 24, 2026
Energy
Energy
Batteries and storage, solar, wind, nuclear and fusion, and the race to keep the grid powered around the clock.
Energy
Energy
China built the world's first commercial gravity battery, a 148-metre tower that stores electricity by stacking 35-tonne blocks made from coal ash and old wind turbine blades, and is now building eight more
By Maria Heloisa Barbosa Borges · June 24, 2026
Energy
China just switched on the world's first gigawatt-hour flow battery, storing its power in tanks of liquid vanadium that cannot catch fire and are built to last 30 years
By Maria Heloisa Barbosa Borges · June 24, 2026
Energy
China's "artificial sun" held a 100-million-degree plasma steady for 1,066 seconds, almost 18 minutes, becoming the first reactor ever to break the 1,000-second wall
By Bruno Teles · June 23, 2026
Energy
Finland switched on the world's largest sand battery in June 2025, a 100 MWh store holding 2,000 tonnes of soapstone that cuts a town's heating emissions by nearly 70 percent
By Bruno Teles · June 23, 2026
Energy
China is building a 400 km solar great wall across a desert it once called the Sea of Death, aiming for 100 GW by 2030 to help power Beijing
By Bruno Teles · June 23, 2026
Energy
China just built a 26 MW offshore wind turbine with a 310-metre rotor, smashing the old 20 MW record while Western makers stalled near 18 MW
By Bruno Teles · June 23, 2026
Energy
In the Gobi Desert China just got the only reactor on Earth to breed uranium-233 from thorium, six decades after the US built the idea and walked away in 1969
By Bruno Teles · June 23, 2026
Energy
Fervo's Cape Station in Utah is on track to send its first 100 MW of 24/7 geothermal power to the grid in late 2026, scaling to 500 MW by 2028
By Bruno Teles · June 23, 2026
Energy
Inside the world's largest solar farm, where 20,000 sheep keep the grass down
By Bruno Teles · June 23, 2026
Energy
The world's largest battery will run on rust, an iron-air design that holds a charge for 100 hours instead of four
By Bruno Teles · June 23, 2026
Energy
China is putting a battery made from salt into cars in 2026, and at about 19 dollars a kilowatt-hour it undercuts lithium by more than half
By Bruno Teles · June 23, 2026