| Top 10 production days @ 7.92 kW | ||
|---|---|---|
| kWh | Day | |
| 1 | 54.58 | 2014-04-24 |
| 2 | 53.54 | 2015-05-23 |
| 3 | 52.91 | 2012-04-29 |
| 4 | 52.62 | 2013-04-21 |
| 5 | 52.61 | 2012-04-28 |
| 6 | 52.4 | 2011-03-28 |
| 7 | 52.32 | 2016-05-09 |
| 8 | 52.27 | 2017-05-20 |
| 9 | 52.24 | 2011-03-27 |
| 10 | 52.15 | 2016-04-27 |
Average kWh per day: 22.7
At $0.15 per kWh = $3.41 per day
In 2001 1 kWh cost $0.10
10 years later in 2011, 1 kWh cost $0.15
That is a growth of 50% over 10 years.
In the next 10 years will it go up another 50% ?
2021 will 1 kWh cost $0.225 ?
| Year | efficency | kWh per year | cost | Savings per year | Running Total |
|---|---|---|---|---|---|
| 1 | 0.99 | 8,203 | 0.158 | 1,291.92 | 1,291.92 |
| 2 | 0.98 | 8,120 | 0.165 | 1,339.77 | 2,631.68 |
| 3 | 0.97 | 8,037 | 0.173 | 1,386.37 | 4,018.05 |
| 4 | 0.96 | 7,954 | 0.180 | 1,431.73 | 5,449.79 |
| 5 | 0.95 | 7,871 | 0.188 | 1,475.85 | 6,925.64 |
| 6 | 0.94 | 7,788 | 0.195 | 1,518.73 | 8,444.37 |
| 7 | 0.93 | 7,706 | 0.203 | 1,560.37 | 10,004.74 |
| 8 | 0.92 | 7,623 | 0.210 | 1,600.76 | 11,605.50 |
| 9 | 0.91 | 7,540 | 0.218 | 1,639.91 | 13,245.41 |
| 10 | 0.9 | 7,457 | 0.225 | 1,677.81 | 14,923.22 |
| 11 | 0.89 | 7,374 | 0.233 | 1,714.48 | 16,637.70 |
| 12 | 0.88 | 7,291 | 0.240 | 1,749.90 | 18,387.60 |
| 13 | 0.87 | 7,208 | 0.248 | 1,784.08 | 20,171.67 |
| 14 | 0.86 | 7,126 | 0.255 | 1,817.01 | 21,988.68 |
| 15 | 0.85 | 7,043 | 0.263 | 1,848.70 | 23,837.38 |
| 16 | 0.84 | 6,960 | 0.270 | 1,879.15 | 25,716.53 |
| 17 | 0.83 | 6,877 | 0.278 | 1,908.36 | 27,624.89 |
| 18 | 0.82 | 6,794 | 0.285 | 1,936.32 | 29,561.21 |
| 19 | 0.81 | 6,711 | 0.293 | 1,963.04 | 31,524.26 |
| 20 | 0.8 | 6,628 | 0.300 | 1,988.52 | 33,512.78 |