MAIL: Sun Data

Beginner

Now that there are many solar-electric (PV) systems with data acquisition systems, it should be possible to paint a picture with real data of kWh per year production per rated watt of PV. Here in southwest Michigan, one of our systems just recorded 1.4 kWh per year per rated watt! (Disproving the notion that solar “does not work” in Michigan!)

It would be helpful to know how this compares with other places. Perhaps other readers could share their direct experiences.

Dan Alway • via email

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