Archive of posts from April 2013

  • 72% of our usage is grid supplied, even though we produced more than we used!

    Supply Mix
    Supply Mix

    In the last year (April 1, 2012 to March 31, 2013), we used 6,046 kWh of electricity and produced 8,576 kWh for a net surplus of 2,530 kWh. That’s awesome right?

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  • Estimating heat energy for 2012 - Revised

    Now that we have January - March 2013 circuit-level usage values, I thought I’d go back and revisit my original 2012 heat estimate using a different method.

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  • First quarter 2013 performance

    Q1 2013 summary: 20% more cold, 22% more usage and 15% less sun.

    See April 7 Update at end of post.

    In Q1 last year our net usage was 228 kWh. This year is was 953 kWh, a 300% increase! In March 2012 we actually generated a surplus, but not this year.

    Overall, here’s how the first quarter compares to 2012.

    q1-comparison
    q1-comparison
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