| 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: 16.46
At $0.15 per kWh = $2.47 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 | 5,948 | 0.158 | 936.78 | 936.78 |
| 2 | 0.98 | 5,888 | 0.165 | 971.48 | 1,908.26 |
| 3 | 0.97 | 5,828 | 0.173 | 1,005.27 | 2,913.53 |
| 4 | 0.96 | 5,768 | 0.180 | 1,038.17 | 3,951.70 |
| 5 | 0.95 | 5,708 | 0.188 | 1,070.16 | 5,021.85 |
| 6 | 0.94 | 5,647 | 0.195 | 1,101.25 | 6,123.10 |
| 7 | 0.93 | 5,587 | 0.203 | 1,131.44 | 7,254.54 |
| 8 | 0.92 | 5,527 | 0.210 | 1,160.73 | 8,415.27 |
| 9 | 0.91 | 5,467 | 0.218 | 1,189.11 | 9,604.38 |
| 10 | 0.9 | 5,407 | 0.225 | 1,216.60 | 10,820.98 |
| 11 | 0.89 | 5,347 | 0.233 | 1,243.18 | 12,064.16 |
| 12 | 0.88 | 5,287 | 0.240 | 1,268.87 | 13,333.03 |
| 13 | 0.87 | 5,227 | 0.248 | 1,293.65 | 14,626.68 |
| 14 | 0.86 | 5,167 | 0.255 | 1,317.53 | 15,944.22 |
| 15 | 0.85 | 5,107 | 0.263 | 1,340.51 | 17,284.73 |
| 16 | 0.84 | 5,047 | 0.270 | 1,362.59 | 18,647.32 |
| 17 | 0.83 | 4,987 | 0.278 | 1,383.77 | 20,031.09 |
| 18 | 0.82 | 4,926 | 0.285 | 1,404.05 | 21,435.14 |
| 19 | 0.81 | 4,866 | 0.293 | 1,423.42 | 22,858.56 |
| 20 | 0.8 | 4,806 | 0.300 | 1,441.90 | 24,300.45 |