Array size/terms

Arkansasoffgrid
Arkansasoffgrid Solar Expert Posts: 117 ✭✭
in Solar Beginners Corner #1
When you all refer to a 4KW or a 5KW array, is that PTC or STC?
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  • Cariboocoot
    Cariboocoot Banned Posts: 17,615 ✭✭✭
    #2
    Re: Array size/terms
    Arkansasoffgrid wrote: »
    When you all refer to a 4KW or a 5KW array, is that PTC or STC?

    Nearly always STC. That's the number manufacturers use to describe their panels on offer so it works out best for comparison purposes. Actual power will vary with the particular installation and as such is somewhat unpredictable.
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