| 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: 12.96
At $0.15 per kWh = $1.94 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 | 4,683 | 0.158 | 737.59 | 737.59 |
| 2 | 0.98 | 4,636 | 0.165 | 764.91 | 1,502.49 |
| 3 | 0.97 | 4,588 | 0.173 | 791.51 | 2,294.01 |
| 4 | 0.96 | 4,541 | 0.180 | 817.41 | 3,111.42 |
| 5 | 0.95 | 4,494 | 0.188 | 842.60 | 3,954.02 |
| 6 | 0.94 | 4,447 | 0.195 | 867.08 | 4,821.11 |
| 7 | 0.93 | 4,399 | 0.203 | 890.85 | 5,711.96 |
| 8 | 0.92 | 4,352 | 0.210 | 913.91 | 6,625.87 |
| 9 | 0.91 | 4,305 | 0.218 | 936.26 | 7,562.14 |
| 10 | 0.9 | 4,257 | 0.225 | 957.91 | 8,520.04 |
| 11 | 0.89 | 4,210 | 0.233 | 978.84 | 9,498.88 |
| 12 | 0.88 | 4,163 | 0.240 | 999.06 | 10,497.94 |
| 13 | 0.87 | 4,115 | 0.248 | 1,018.57 | 11,516.51 |
| 14 | 0.86 | 4,068 | 0.255 | 1,037.38 | 12,553.89 |
| 15 | 0.85 | 4,021 | 0.263 | 1,055.47 | 13,609.36 |
| 16 | 0.84 | 3,974 | 0.270 | 1,072.85 | 14,682.22 |
| 17 | 0.83 | 3,926 | 0.278 | 1,089.53 | 15,771.74 |
| 18 | 0.82 | 3,879 | 0.285 | 1,105.49 | 16,877.24 |
| 19 | 0.81 | 3,832 | 0.293 | 1,120.75 | 17,997.99 |
| 20 | 0.8 | 3,784 | 0.300 | 1,135.30 | 19,133.29 |