| 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: 20.43
At $0.15 per kWh = $3.06 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 | 7,382 | 0.158 | 1,162.72 | 1,162.72 |
| 2 | 0.98 | 7,308 | 0.165 | 1,205.79 | 2,368.51 |
| 3 | 0.97 | 7,233 | 0.173 | 1,247.73 | 3,616.25 |
| 4 | 0.96 | 7,159 | 0.180 | 1,288.56 | 4,904.81 |
| 5 | 0.95 | 7,084 | 0.188 | 1,328.27 | 6,233.08 |
| 6 | 0.94 | 7,010 | 0.195 | 1,366.86 | 7,599.94 |
| 7 | 0.93 | 6,935 | 0.203 | 1,404.33 | 9,004.27 |
| 8 | 0.92 | 6,860 | 0.210 | 1,440.68 | 10,444.95 |
| 9 | 0.91 | 6,786 | 0.218 | 1,475.92 | 11,920.87 |
| 10 | 0.9 | 6,711 | 0.225 | 1,510.03 | 13,430.90 |
| 11 | 0.89 | 6,637 | 0.233 | 1,543.03 | 14,973.93 |
| 12 | 0.88 | 6,562 | 0.240 | 1,574.91 | 16,548.84 |
| 13 | 0.87 | 6,488 | 0.248 | 1,605.67 | 18,154.50 |
| 14 | 0.86 | 6,413 | 0.255 | 1,635.31 | 19,789.81 |
| 15 | 0.85 | 6,338 | 0.263 | 1,663.83 | 21,453.65 |
| 16 | 0.84 | 6,264 | 0.270 | 1,691.24 | 23,144.88 |
| 17 | 0.83 | 6,189 | 0.278 | 1,717.52 | 24,862.40 |
| 18 | 0.82 | 6,115 | 0.285 | 1,742.69 | 26,605.09 |
| 19 | 0.81 | 6,040 | 0.293 | 1,766.74 | 28,371.83 |
| 20 | 0.8 | 5,966 | 0.300 | 1,789.67 | 30,161.50 |