| 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: 13.31
At $0.15 per kWh = $2 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 | 4,810 | 0.158 | 757.51 | 757.51 |
| 2 | 0.98 | 4,761 | 0.165 | 785.56 | 1,543.07 |
| 3 | 0.97 | 4,712 | 0.173 | 812.89 | 2,355.96 |
| 4 | 0.96 | 4,664 | 0.180 | 839.49 | 3,195.45 |
| 5 | 0.95 | 4,615 | 0.188 | 865.36 | 4,060.81 |
| 6 | 0.94 | 4,567 | 0.195 | 890.50 | 4,951.31 |
| 7 | 0.93 | 4,518 | 0.203 | 914.91 | 5,866.22 |
| 8 | 0.92 | 4,469 | 0.210 | 938.59 | 6,804.81 |
| 9 | 0.91 | 4,421 | 0.218 | 961.55 | 7,766.36 |
| 10 | 0.9 | 4,372 | 0.225 | 983.78 | 8,750.14 |
| 11 | 0.89 | 4,324 | 0.233 | 1,005.27 | 9,755.41 |
| 12 | 0.88 | 4,275 | 0.240 | 1,026.04 | 10,781.45 |
| 13 | 0.87 | 4,227 | 0.248 | 1,046.08 | 11,827.53 |
| 14 | 0.86 | 4,178 | 0.255 | 1,065.39 | 12,892.92 |
| 15 | 0.85 | 4,129 | 0.263 | 1,083.97 | 13,976.90 |
| 16 | 0.84 | 4,081 | 0.270 | 1,101.83 | 15,078.73 |
| 17 | 0.83 | 4,032 | 0.278 | 1,118.95 | 16,197.68 |
| 18 | 0.82 | 3,984 | 0.285 | 1,135.35 | 17,333.03 |
| 19 | 0.81 | 3,935 | 0.293 | 1,151.02 | 18,484.05 |
| 20 | 0.8 | 3,887 | 0.300 | 1,165.96 | 19,650.00 |