Cost/payback analysis for the Third year (2012) of operation of our 3.45kw solar array.
See Costs for an explanation of the chart.

Performance Based
Incentive
SSVEC Loan Credit Card Cash
Investment
Original
Amount
$15,840 $7,115.40 $8,893 $5,300
Currently
Outstanding
$12,228.47 $4,506.42 $0 $3,425.08
Estimated
Payoff Date
Jan 2021 Mar 2015 May 2012 Sep 2015
Income / Savings Loan Payments / Cash Back
Current Year PBI Elec Bill Total SSVEC Loan Credit Card Cash Back
Jan 2012 $101.35 $66.01 $167.36 $118.59 $48.77
Feb 2012 $108.27 $66.41 $174.68 $118.59 $56.09
Mar 2012 $123.79 $56.20 $179.99 $118.59 $61.40
Apr 2012 $143.43 $62.89 $206.32 $118.59 $87.73
May 2012 $146.05 $75.67 $221.72 $118.59 $29.37 $73.76
Jun 2012 $155.02 $78.27 $233.29 $118.59 $114.7
Jul 2012 $130.90 $92.49 $223.39 $118.59 $104.8
Aug 2012 $112.2 $92.50 $204.7 $118.59 $86.11
Sep 2012 $95.56 $101.28 * $196.84 $118.59 $78.25
Oct 2012 $107.71 $70.30 $178.01 $118.59 $59.42
Nov 2012 $115.19 $60.38 $175.57 $118.59 $56.98
Dec 2012 $98.36 $72.04 $170.40 $118.59 $51.81
Previous year
2011 $1,436.35 $772.88 $5,980.67* $1,423.08 $4,557.59 $0
2010 $737.35 $414.29 $6,367.64* $1,067.31 $4,051.24 $1,249.09

* Includes state and Federal Tax Rebates.
* Includes $13.65 annual true up for the 372 kWh surplus I pushed to the grid. (My daughter and grandkids were living with us for most of the year, so our power usage was higher than normal)