| 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: 24.13
At $0.15 per kWh = $3.62 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 | 8,719 | 0.158 | 1,373.30 | 1,373.30 |
| 2 | 0.98 | 8,631 | 0.165 | 1,424.16 | 2,797.47 |
| 3 | 0.97 | 8,543 | 0.173 | 1,473.71 | 4,271.17 |
| 4 | 0.96 | 8,455 | 0.180 | 1,521.93 | 5,793.10 |
| 5 | 0.95 | 8,367 | 0.188 | 1,568.83 | 7,361.93 |
| 6 | 0.94 | 8,279 | 0.195 | 1,614.41 | 8,976.33 |
| 7 | 0.93 | 8,191 | 0.203 | 1,658.66 | 10,635.00 |
| 8 | 0.92 | 8,103 | 0.210 | 1,701.60 | 12,336.60 |
| 9 | 0.91 | 8,015 | 0.218 | 1,743.21 | 14,079.81 |
| 10 | 0.9 | 7,927 | 0.225 | 1,783.51 | 15,863.32 |
| 11 | 0.89 | 7,839 | 0.233 | 1,822.48 | 17,685.80 |
| 12 | 0.88 | 7,751 | 0.240 | 1,860.13 | 19,545.93 |
| 13 | 0.87 | 7,662 | 0.248 | 1,896.46 | 21,442.40 |
| 14 | 0.86 | 7,574 | 0.255 | 1,931.47 | 23,373.87 |
| 15 | 0.85 | 7,486 | 0.263 | 1,965.16 | 25,339.03 |
| 16 | 0.84 | 7,398 | 0.270 | 1,997.53 | 27,336.56 |
| 17 | 0.83 | 7,310 | 0.278 | 2,028.58 | 29,365.14 |
| 18 | 0.82 | 7,222 | 0.285 | 2,058.30 | 31,423.44 |
| 19 | 0.81 | 7,134 | 0.293 | 2,086.71 | 33,510.15 |
| 20 | 0.8 | 7,046 | 0.300 | 2,113.79 | 35,623.93 |