| 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: 13.3
At $0.15 per kWh = $2 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 | 4,806 | 0.158 | 756.94 | 756.94 |
| 2 | 0.98 | 4,757 | 0.165 | 784.97 | 1,541.91 |
| 3 | 0.97 | 4,709 | 0.173 | 812.28 | 2,354.19 |
| 4 | 0.96 | 4,660 | 0.180 | 838.86 | 3,193.05 |
| 5 | 0.95 | 4,612 | 0.188 | 864.71 | 4,057.76 |
| 6 | 0.94 | 4,563 | 0.195 | 889.83 | 4,947.59 |
| 7 | 0.93 | 4,515 | 0.203 | 914.22 | 5,861.81 |
| 8 | 0.92 | 4,466 | 0.210 | 937.89 | 6,799.70 |
| 9 | 0.91 | 4,418 | 0.218 | 960.83 | 7,760.53 |
| 10 | 0.9 | 4,369 | 0.225 | 983.04 | 8,743.56 |
| 11 | 0.89 | 4,321 | 0.233 | 1,004.52 | 9,748.08 |
| 12 | 0.88 | 4,272 | 0.240 | 1,025.27 | 10,773.35 |
| 13 | 0.87 | 4,223 | 0.248 | 1,045.30 | 11,818.64 |
| 14 | 0.86 | 4,175 | 0.255 | 1,064.59 | 12,883.24 |
| 15 | 0.85 | 4,126 | 0.263 | 1,083.16 | 13,966.40 |
| 16 | 0.84 | 4,078 | 0.270 | 1,101.00 | 15,067.40 |
| 17 | 0.83 | 4,029 | 0.278 | 1,118.11 | 16,185.51 |
| 18 | 0.82 | 3,981 | 0.285 | 1,134.50 | 17,320.01 |
| 19 | 0.81 | 3,932 | 0.293 | 1,150.15 | 18,470.16 |
| 20 | 0.8 | 3,884 | 0.300 | 1,165.08 | 19,635.24 |