| 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: 16.71
At $0.15 per kWh = $2.51 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 | 6,038 | 0.158 | 951.01 | 951.01 |
| 2 | 0.98 | 5,977 | 0.165 | 986.23 | 1,937.24 |
| 3 | 0.97 | 5,916 | 0.173 | 1,020.54 | 2,957.78 |
| 4 | 0.96 | 5,855 | 0.180 | 1,053.93 | 4,011.72 |
| 5 | 0.95 | 5,794 | 0.188 | 1,086.41 | 5,098.13 |
| 6 | 0.94 | 5,733 | 0.195 | 1,117.97 | 6,216.10 |
| 7 | 0.93 | 5,672 | 0.203 | 1,148.62 | 7,364.72 |
| 8 | 0.92 | 5,611 | 0.210 | 1,178.36 | 8,543.08 |
| 9 | 0.91 | 5,550 | 0.218 | 1,207.17 | 9,750.25 |
| 10 | 0.9 | 5,489 | 0.225 | 1,235.08 | 10,985.33 |
| 11 | 0.89 | 5,428 | 0.233 | 1,262.07 | 12,247.40 |
| 12 | 0.88 | 5,367 | 0.240 | 1,288.14 | 13,535.54 |
| 13 | 0.87 | 5,306 | 0.248 | 1,313.30 | 14,848.84 |
| 14 | 0.86 | 5,245 | 0.255 | 1,337.54 | 16,186.38 |
| 15 | 0.85 | 5,184 | 0.263 | 1,360.87 | 17,547.25 |
| 16 | 0.84 | 5,123 | 0.270 | 1,383.29 | 18,930.54 |
| 17 | 0.83 | 5,062 | 0.278 | 1,404.79 | 20,335.33 |
| 18 | 0.82 | 5,001 | 0.285 | 1,425.37 | 21,760.70 |
| 19 | 0.81 | 4,940 | 0.293 | 1,445.04 | 23,205.74 |
| 20 | 0.8 | 4,879 | 0.300 | 1,463.80 | 24,669.54 |