| 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: 14.12
At $0.15 per kWh = $2.12 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 | 5,102 | 0.158 | 803.61 | 803.61 |
| 2 | 0.98 | 5,051 | 0.165 | 833.37 | 1,636.98 |
| 3 | 0.97 | 4,999 | 0.173 | 862.36 | 2,499.34 |
| 4 | 0.96 | 4,948 | 0.180 | 890.58 | 3,389.91 |
| 5 | 0.95 | 4,896 | 0.188 | 918.02 | 4,307.93 |
| 6 | 0.94 | 4,845 | 0.195 | 944.69 | 5,252.62 |
| 7 | 0.93 | 4,793 | 0.203 | 970.59 | 6,223.21 |
| 8 | 0.92 | 4,741 | 0.210 | 995.71 | 7,218.93 |
| 9 | 0.91 | 4,690 | 0.218 | 1,020.07 | 8,238.99 |
| 10 | 0.9 | 4,638 | 0.225 | 1,043.64 | 9,282.64 |
| 11 | 0.89 | 4,587 | 0.233 | 1,066.45 | 10,349.09 |
| 12 | 0.88 | 4,535 | 0.240 | 1,088.48 | 11,437.57 |
| 13 | 0.87 | 4,484 | 0.248 | 1,109.74 | 12,547.31 |
| 14 | 0.86 | 4,432 | 0.255 | 1,130.23 | 13,677.54 |
| 15 | 0.85 | 4,381 | 0.263 | 1,149.94 | 14,827.48 |
| 16 | 0.84 | 4,329 | 0.270 | 1,168.88 | 15,996.36 |
| 17 | 0.83 | 4,278 | 0.278 | 1,187.05 | 17,183.41 |
| 18 | 0.82 | 4,226 | 0.285 | 1,204.44 | 18,387.86 |
| 19 | 0.81 | 4,175 | 0.293 | 1,221.06 | 19,608.92 |
| 20 | 0.8 | 4,123 | 0.300 | 1,236.91 | 20,845.83 |