| 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: 13.38
At $0.15 per kWh = $2.01 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 | 4,835 | 0.158 | 761.49 | 761.49 |
| 2 | 0.98 | 4,786 | 0.165 | 789.69 | 1,551.19 |
| 3 | 0.97 | 4,737 | 0.173 | 817.17 | 2,368.35 |
| 4 | 0.96 | 4,688 | 0.180 | 843.90 | 3,212.25 |
| 5 | 0.95 | 4,640 | 0.188 | 869.91 | 4,082.16 |
| 6 | 0.94 | 4,591 | 0.195 | 895.18 | 4,977.34 |
| 7 | 0.93 | 4,542 | 0.203 | 919.72 | 5,897.07 |
| 8 | 0.92 | 4,493 | 0.210 | 943.53 | 6,840.60 |
| 9 | 0.91 | 4,444 | 0.218 | 966.61 | 7,807.20 |
| 10 | 0.9 | 4,395 | 0.225 | 988.95 | 8,796.15 |
| 11 | 0.89 | 4,346 | 0.233 | 1,010.56 | 9,806.71 |
| 12 | 0.88 | 4,298 | 0.240 | 1,031.44 | 10,838.15 |
| 13 | 0.87 | 4,249 | 0.248 | 1,051.58 | 11,889.73 |
| 14 | 0.86 | 4,200 | 0.255 | 1,071.00 | 12,960.73 |
| 15 | 0.85 | 4,151 | 0.263 | 1,089.68 | 14,050.40 |
| 16 | 0.84 | 4,102 | 0.270 | 1,107.62 | 15,158.03 |
| 17 | 0.83 | 4,053 | 0.278 | 1,124.84 | 16,282.87 |
| 18 | 0.82 | 4,005 | 0.285 | 1,141.32 | 17,424.19 |
| 19 | 0.81 | 3,956 | 0.293 | 1,157.07 | 18,581.26 |
| 20 | 0.8 | 3,907 | 0.300 | 1,172.09 | 19,753.35 |