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It’s been nearly a full year since we had our 6.1KW solar power system installed. During that year, we experienced the peak of summer and the low point of winter. Sunnyvale, California is at 37 degrees, 22 minutes north latitude, 122 degrees, 2 minutes west longitude. That means we’re south of the 45th parallel, which means more sun year round, but less sun during the peak summer daylight hours.

I’ve written extensively about our solar power installation I had installed back in May 2008 along with a one month update and a Q&A on my installation.

At the six month update, I wrote about the doldrums of winter, and gave an update on power generation, power usage, and cost.

At the one year mark, I received the true-up bill from PG&E, so I know exactly how much I paid over the year, as well as the monthly breakdowns. Let’s dive into the numbers, shall we? Continued…