| 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: 24.36
At $0.15 per kWh = $3.65 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 | 8,802 | 0.158 | 1,386.39 | 1,386.39 |
| 2 | 0.98 | 8,714 | 0.165 | 1,437.74 | 2,824.13 |
| 3 | 0.97 | 8,625 | 0.173 | 1,487.75 | 4,311.88 |
| 4 | 0.96 | 8,536 | 0.180 | 1,536.43 | 5,848.32 |
| 5 | 0.95 | 8,447 | 0.188 | 1,583.78 | 7,432.10 |
| 6 | 0.94 | 8,358 | 0.195 | 1,629.79 | 9,061.89 |
| 7 | 0.93 | 8,269 | 0.203 | 1,674.47 | 10,736.37 |
| 8 | 0.92 | 8,180 | 0.210 | 1,717.82 | 12,454.18 |
| 9 | 0.91 | 8,091 | 0.218 | 1,759.83 | 14,214.01 |
| 10 | 0.9 | 8,002 | 0.225 | 1,800.51 | 16,014.52 |
| 11 | 0.89 | 7,913 | 0.233 | 1,839.85 | 17,854.38 |
| 12 | 0.88 | 7,824 | 0.240 | 1,877.86 | 19,732.24 |
| 13 | 0.87 | 7,736 | 0.248 | 1,914.54 | 21,646.78 |
| 14 | 0.86 | 7,647 | 0.255 | 1,949.88 | 23,596.66 |
| 15 | 0.85 | 7,558 | 0.263 | 1,983.89 | 25,580.56 |
| 16 | 0.84 | 7,469 | 0.270 | 2,016.57 | 27,597.13 |
| 17 | 0.83 | 7,380 | 0.278 | 2,047.91 | 29,645.04 |
| 18 | 0.82 | 7,291 | 0.285 | 2,077.92 | 31,722.96 |
| 19 | 0.81 | 7,202 | 0.293 | 2,106.59 | 33,829.55 |
| 20 | 0.8 | 7,113 | 0.300 | 2,133.94 | 35,963.49 |