| 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: 13.13
At $0.15 per kWh = $1.97 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 | 4,745 | 0.158 | 747.26 | 747.26 |
| 2 | 0.98 | 4,697 | 0.165 | 774.94 | 1,522.20 |
| 3 | 0.97 | 4,649 | 0.173 | 801.90 | 2,324.10 |
| 4 | 0.96 | 4,601 | 0.180 | 828.14 | 3,152.23 |
| 5 | 0.95 | 4,553 | 0.188 | 853.66 | 4,005.89 |
| 6 | 0.94 | 4,505 | 0.195 | 878.46 | 4,884.35 |
| 7 | 0.93 | 4,457 | 0.203 | 902.54 | 5,786.88 |
| 8 | 0.92 | 4,409 | 0.210 | 925.90 | 6,712.78 |
| 9 | 0.91 | 4,361 | 0.218 | 948.55 | 7,661.33 |
| 10 | 0.9 | 4,313 | 0.225 | 970.47 | 8,631.80 |
| 11 | 0.89 | 4,265 | 0.233 | 991.68 | 9,623.48 |
| 12 | 0.88 | 4,217 | 0.240 | 1,012.17 | 10,635.64 |
| 13 | 0.87 | 4,169 | 0.248 | 1,031.93 | 11,667.58 |
| 14 | 0.86 | 4,122 | 0.255 | 1,050.98 | 12,718.56 |
| 15 | 0.85 | 4,074 | 0.263 | 1,069.32 | 13,787.88 |
| 16 | 0.84 | 4,026 | 0.270 | 1,086.93 | 14,874.81 |
| 17 | 0.83 | 3,978 | 0.278 | 1,103.82 | 15,978.63 |
| 18 | 0.82 | 3,930 | 0.285 | 1,120.00 | 17,098.62 |
| 19 | 0.81 | 3,882 | 0.293 | 1,135.45 | 18,234.07 |
| 20 | 0.8 | 3,834 | 0.300 | 1,150.19 | 19,384.26 |