| 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: 24.38
At $0.15 per kWh = $3.66 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 | 8,810 | 0.158 | 1,387.53 | 1,387.53 |
| 2 | 0.98 | 8,721 | 0.165 | 1,438.92 | 2,826.45 |
| 3 | 0.97 | 8,632 | 0.173 | 1,488.97 | 4,315.42 |
| 4 | 0.96 | 8,543 | 0.180 | 1,537.70 | 5,853.12 |
| 5 | 0.95 | 8,454 | 0.188 | 1,585.08 | 7,438.20 |
| 6 | 0.94 | 8,365 | 0.195 | 1,631.13 | 9,069.33 |
| 7 | 0.93 | 8,276 | 0.203 | 1,675.85 | 10,745.18 |
| 8 | 0.92 | 8,187 | 0.210 | 1,719.23 | 12,464.41 |
| 9 | 0.91 | 8,098 | 0.218 | 1,761.28 | 14,225.68 |
| 10 | 0.9 | 8,009 | 0.225 | 1,801.99 | 16,027.67 |
| 11 | 0.89 | 7,920 | 0.233 | 1,841.36 | 17,869.03 |
| 12 | 0.88 | 7,831 | 0.240 | 1,879.41 | 19,748.44 |
| 13 | 0.87 | 7,742 | 0.248 | 1,916.11 | 21,664.55 |
| 14 | 0.86 | 7,653 | 0.255 | 1,951.48 | 23,616.04 |
| 15 | 0.85 | 7,564 | 0.263 | 1,985.52 | 25,601.56 |
| 16 | 0.84 | 7,475 | 0.270 | 2,018.23 | 27,619.79 |
| 17 | 0.83 | 7,386 | 0.278 | 2,049.59 | 29,669.38 |
| 18 | 0.82 | 7,297 | 0.285 | 2,079.63 | 31,749.00 |
| 19 | 0.81 | 7,208 | 0.293 | 2,108.32 | 33,857.33 |
| 20 | 0.8 | 7,119 | 0.300 | 2,135.69 | 35,993.02 |