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The Race to Build the World's Largest Solar-Storage Plant Is On

  • NextEra project would pair existing solar plant with storage
  • Utilities are combining solar and batteries as costs drop
Battery-Backed Solar Breaks Into Grid Long Seen Off Limits (1)

Photographer: Laura Segall/Bloomberg

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Last year, a company won a contract to build a 65-megawatt solar and battery farm in Arizona. A month later, the Saudis came out with a $200 billion plan to build the world’s biggest battery-backed solar farm by 2030. Then a firm proposed a nearly 500-megawatt solar-storage site in Texas’s oil patch.

The race to build the biggest solar-battery plant is officially on.