Thread: Solar power
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Old 06-10-2021, 01:58 PM   #98 (permalink)
freebeard
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99.9% uptime for an electric utility means....
Substandard performance.

Quote:
What is Five Nines? - Definition from Techopedia
https://www.techopedia.com/definition/14235/five-nines
Five nines is the term used for describing the availability of a computer or a service at 99.999 percent of the time it is required. In other words, the system or service is only unavailable for 5.39 minutes throughout the year for planned or unplanned downtime. Five nines is recommended and required for mission-critical requirements and for ...
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