Quote:
Originally Posted by mcj
There's tonnes of information out there on the efficiency numbers you can google. In short though, it depends on the type of cloud cover but usually it's a roughly ~20% to 50% decline in power output. They'll still output power, and we've just had sunshine for a week in January here if you haven't noticed. The Vancouver that got "only a few months a year of sunshine" no longer exists, our climate has changed.  |
Google says also there's like a 50% drop in the intensity of the light even with no cloud cover since it's so low in the sky (more atmosphere to go through) and I guess the optimal placement for the sun in the summer isn't ideal for the angle in winter months.
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