12/19/2010

The Arnolds’ Solar Power Installation

Online

You can view today's statistics from inverter1 and inverter2.

Here's a detailed chart of today's power generation.*

* Data collection was discontinued at inverter failure/replacement in 2017.

Modules

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Electrical

Initial Cost

$69,600 Gross System Cost
-18,614 Calif. Rebate @ $2.40/CEC AC watt
-2,000 Federal Tax Credit
48,986 Net System Cost

Energy Cost

  Production (kwh) Total usage (kwh) Car usage (kwh) Cost (PGE)
Nov 2006 – Oct 2007 0 17,700   $4,400
Nov 2007 – Oct 2008 14,268 15,416   -384 (0)
Nov 2008 – Oct 2009 13,508 14,006   -445 (0)
Nov 2009 – Oct 2010 12,836 13,642   -368 (0)
Nov 2010 – Oct 2011 12,924 13,284 1465 -520 (0)
Nov 2011 – Oct 2012 13,338 15,126 2478 -294 (0)
Nov 2012 – Oct 2013 13,194 15,528 2550 -61 (0)
Nov 2013 – Oct 2014 12,892 14,697 2498 -425 (0)
Nov 2014 – Oct 2015 12,827 14,962 2136 -166 (0)
Nov 2015 – Oct 2016 12,991 14,198 2232 -326 (0)
Nov 2016 – Oct 2017 10,764 13,439 2674 353 (353)

Metering

Geometry

SunCharts show the sun position at our location.