Natural Gas Microgrids Do What Solar and Batteries Alone Can’t for California Resiliency, Report Says

California utilities face resistance to deploying natural gas generators. But the alternative may be dirtier diesel. The report is from consultancy Brattle Group and sponsored by Enchanted Rock, a Texas-based developer of microgrids centered on natural gas generators. It indicates that providing two to four days of backup power for a 10-megawatt community microgrid from solar and batteries alone would require far too much redundant battery capacity — up to 390 megawatt-hours of batteries for 10 megawatts of load — and require up to 90 acres of solar PV to reliably charge them over that time.  

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