| 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: 13.5
At $0.15 per kWh = $2.03 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 | 4,878 | 0.158 | 768.32 | 768.32 |
| 2 | 0.98 | 4,829 | 0.165 | 796.78 | 1,565.10 |
| 3 | 0.97 | 4,780 | 0.173 | 824.49 | 2,389.59 |
| 4 | 0.96 | 4,730 | 0.180 | 851.47 | 3,241.06 |
| 5 | 0.95 | 4,681 | 0.188 | 877.71 | 4,118.77 |
| 6 | 0.94 | 4,632 | 0.195 | 903.21 | 5,021.98 |
| 7 | 0.93 | 4,583 | 0.203 | 927.97 | 5,949.96 |
| 8 | 0.92 | 4,533 | 0.210 | 951.99 | 6,901.95 |
| 9 | 0.91 | 4,484 | 0.218 | 975.28 | 7,877.22 |
| 10 | 0.9 | 4,435 | 0.225 | 997.82 | 8,875.04 |
| 11 | 0.89 | 4,385 | 0.233 | 1,019.62 | 9,894.67 |
| 12 | 0.88 | 4,336 | 0.240 | 1,040.69 | 10,935.35 |
| 13 | 0.87 | 4,287 | 0.248 | 1,061.01 | 11,996.37 |
| 14 | 0.86 | 4,238 | 0.255 | 1,080.60 | 13,076.97 |
| 15 | 0.85 | 4,188 | 0.263 | 1,099.45 | 14,176.42 |
| 16 | 0.84 | 4,139 | 0.270 | 1,117.56 | 15,293.97 |
| 17 | 0.83 | 4,090 | 0.278 | 1,134.93 | 16,428.90 |
| 18 | 0.82 | 4,041 | 0.285 | 1,151.56 | 17,580.46 |
| 19 | 0.81 | 3,991 | 0.293 | 1,167.45 | 18,747.91 |
| 20 | 0.8 | 3,942 | 0.300 | 1,182.60 | 19,930.51 |