Open Access

Table 6

Down time for different energy generation or storage technologies.

Technology Down time capcdown (%) Reference
Roof top solar PV 1.5 Jacobson et al. [50]
Utility scale solar PV 1.5 Jacobson et al. [50]
Wind 3 Faulstich et al. [51]
Storage 10 Dubarry et. al. [52]
Energy efficiency 0*  
Coal 16.83 Cochran et al. [53]
Gas 15 Gouveia et al. [54]

Energy efficiency measures chosen to involve intrinsic or passive design improvements with no down time, or active systems with equivalent or better reliability than those they replace.

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