Tag: Solar

With more solar and wind, North America’s grid is getting more reliable

By Will Driscoll The North American electric grid’s annual checkup shows that it is becoming increasingly reliable, as solar and wind gain share, according to the North American Electric Reliability Corporation (NERC). For solar, one grid reliability factor—frequency response—is of great interest because of concern, as…

35 to 70 GW of solar, plus wind, could power all freight trucks in the U.S. or Europe

By Will Driscoll Many truck manufacturers are developing electric freight trucks, whose projected lower costs for fuel and maintenance would, by one estimate, quickly outweigh their higher purchase price. With this cost advantage, electric trucks could ultimately dominate freight trucking. A charging infrastructure for an all-electric…

A fast solar ramp in Hawaii can save $3-7 billion

By Will Driscoll Hawaii can save $3 to $7 billion by accelerating its transition to solar, according to an independent utility modeling analysis.  That conclusion is validated by the experience of the Hawaiian island of Kauai, where a new solar-plus-storage park will bring down the…

Global battery production capacity must grow 21 times to electrify the global vehicle fleet

By Will Driscoll Market and policy forces may drive a global transition to electric vehicles. Current and planned global battery manufacturing capacity is 313 gigawatt-hours per year. An estimated battery manufacturing capacity of 6600 gigawatt-hours per year would be needed to electrify the global…

China’s electric buses will cut global oil consumption by 0.5 percent

By Will Driscoll Shenzhen has replaced its diesel buses with 16,000 electric buses, and authorities there have determined that the electric buses will eliminate the use of 345,000 tons of diesel fuel per year. China is promoting electric buses to improve urban air quality…