| 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: 21.23
At $0.15 per kWh = $3.18 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 | 7,671 | 0.158 | 1,208.26 | 1,208.26 |
| 2 | 0.98 | 7,594 | 0.165 | 1,253.01 | 2,461.26 |
| 3 | 0.97 | 7,516 | 0.173 | 1,296.59 | 3,757.85 |
| 4 | 0.96 | 7,439 | 0.180 | 1,339.02 | 5,096.87 |
| 5 | 0.95 | 7,362 | 0.188 | 1,380.28 | 6,477.15 |
| 6 | 0.94 | 7,284 | 0.195 | 1,420.38 | 7,897.54 |
| 7 | 0.93 | 7,207 | 0.203 | 1,459.32 | 9,356.86 |
| 8 | 0.92 | 7,129 | 0.210 | 1,497.10 | 10,853.95 |
| 9 | 0.91 | 7,052 | 0.218 | 1,533.71 | 12,387.67 |
| 10 | 0.9 | 6,974 | 0.225 | 1,569.16 | 13,956.83 |
| 11 | 0.89 | 6,897 | 0.233 | 1,603.45 | 15,560.28 |
| 12 | 0.88 | 6,819 | 0.240 | 1,636.58 | 17,196.86 |
| 13 | 0.87 | 6,742 | 0.248 | 1,668.54 | 18,865.40 |
| 14 | 0.86 | 6,664 | 0.255 | 1,699.34 | 20,564.74 |
| 15 | 0.85 | 6,587 | 0.263 | 1,728.98 | 22,293.73 |
| 16 | 0.84 | 6,509 | 0.270 | 1,757.46 | 24,051.19 |
| 17 | 0.83 | 6,432 | 0.278 | 1,784.78 | 25,835.97 |
| 18 | 0.82 | 6,354 | 0.285 | 1,810.93 | 27,646.90 |
| 19 | 0.81 | 6,277 | 0.293 | 1,835.92 | 29,482.82 |
| 20 | 0.8 | 6,199 | 0.300 | 1,859.75 | 31,342.57 |