| 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: 22.6
At $0.15 per kWh = $3.39 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 | 8,167 | 0.158 | 1,286.23 | 1,286.23 |
| 2 | 0.98 | 8,084 | 0.165 | 1,333.86 | 2,620.09 |
| 3 | 0.97 | 8,002 | 0.173 | 1,380.26 | 4,000.35 |
| 4 | 0.96 | 7,919 | 0.180 | 1,425.43 | 5,425.78 |
| 5 | 0.95 | 7,837 | 0.188 | 1,469.35 | 6,895.13 |
| 6 | 0.94 | 7,754 | 0.195 | 1,512.04 | 8,407.17 |
| 7 | 0.93 | 7,672 | 0.203 | 1,553.49 | 9,960.67 |
| 8 | 0.92 | 7,589 | 0.210 | 1,593.71 | 11,554.37 |
| 9 | 0.91 | 7,507 | 0.218 | 1,632.68 | 13,187.06 |
| 10 | 0.9 | 7,424 | 0.225 | 1,670.42 | 14,857.48 |
| 11 | 0.89 | 7,342 | 0.233 | 1,706.92 | 16,564.40 |
| 12 | 0.88 | 7,259 | 0.240 | 1,742.19 | 18,306.59 |
| 13 | 0.87 | 7,177 | 0.248 | 1,776.22 | 20,082.81 |
| 14 | 0.86 | 7,094 | 0.255 | 1,809.01 | 21,891.81 |
| 15 | 0.85 | 7,012 | 0.263 | 1,840.56 | 23,732.37 |
| 16 | 0.84 | 6,929 | 0.270 | 1,870.87 | 25,603.25 |
| 17 | 0.83 | 6,847 | 0.278 | 1,899.95 | 27,503.20 |
| 18 | 0.82 | 6,764 | 0.285 | 1,927.79 | 29,430.99 |
| 19 | 0.81 | 6,682 | 0.293 | 1,954.39 | 31,385.38 |
| 20 | 0.8 | 6,599 | 0.300 | 1,979.76 | 33,365.14 |