| 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: 13.27
At $0.15 per kWh = $1.99 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 | 4,795 | 0.158 | 755.23 | 755.23 |
| 2 | 0.98 | 4,747 | 0.165 | 783.20 | 1,538.43 |
| 3 | 0.97 | 4,698 | 0.173 | 810.45 | 2,348.88 |
| 4 | 0.96 | 4,650 | 0.180 | 836.97 | 3,185.85 |
| 5 | 0.95 | 4,601 | 0.188 | 862.76 | 4,048.60 |
| 6 | 0.94 | 4,553 | 0.195 | 887.82 | 4,936.43 |
| 7 | 0.93 | 4,505 | 0.203 | 912.16 | 5,848.59 |
| 8 | 0.92 | 4,456 | 0.210 | 935.77 | 6,784.36 |
| 9 | 0.91 | 4,408 | 0.218 | 958.66 | 7,743.02 |
| 10 | 0.9 | 4,359 | 0.225 | 980.82 | 8,723.84 |
| 11 | 0.89 | 4,311 | 0.233 | 1,002.25 | 9,726.09 |
| 12 | 0.88 | 4,262 | 0.240 | 1,022.96 | 10,749.05 |
| 13 | 0.87 | 4,214 | 0.248 | 1,042.94 | 11,791.99 |
| 14 | 0.86 | 4,165 | 0.255 | 1,062.19 | 12,854.18 |
| 15 | 0.85 | 4,117 | 0.263 | 1,080.72 | 13,934.89 |
| 16 | 0.84 | 4,069 | 0.270 | 1,098.52 | 15,033.41 |
| 17 | 0.83 | 4,020 | 0.278 | 1,115.59 | 16,149.00 |
| 18 | 0.82 | 3,972 | 0.285 | 1,131.94 | 17,280.94 |
| 19 | 0.81 | 3,923 | 0.293 | 1,147.56 | 18,428.50 |
| 20 | 0.8 | 3,875 | 0.300 | 1,162.45 | 19,590.95 |