| 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: 23.6
At $0.15 per kWh = $3.54 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 | 8,528 | 0.158 | 1,343.14 | 1,343.14 |
| 2 | 0.98 | 8,442 | 0.165 | 1,392.88 | 2,736.02 |
| 3 | 0.97 | 8,356 | 0.173 | 1,441.34 | 4,177.36 |
| 4 | 0.96 | 8,269 | 0.180 | 1,488.50 | 5,665.86 |
| 5 | 0.95 | 8,183 | 0.188 | 1,534.37 | 7,200.23 |
| 6 | 0.94 | 8,097 | 0.195 | 1,578.95 | 8,779.17 |
| 7 | 0.93 | 8,011 | 0.203 | 1,622.23 | 10,401.41 |
| 8 | 0.92 | 7,925 | 0.210 | 1,664.22 | 12,065.63 |
| 9 | 0.91 | 7,839 | 0.218 | 1,704.93 | 13,770.56 |
| 10 | 0.9 | 7,753 | 0.225 | 1,744.34 | 15,514.89 |
| 11 | 0.89 | 7,666 | 0.233 | 1,782.45 | 17,297.34 |
| 12 | 0.88 | 7,580 | 0.240 | 1,819.28 | 19,116.62 |
| 13 | 0.87 | 7,494 | 0.248 | 1,854.81 | 20,971.43 |
| 14 | 0.86 | 7,408 | 0.255 | 1,889.05 | 22,860.48 |
| 15 | 0.85 | 7,322 | 0.263 | 1,922.00 | 24,782.48 |
| 16 | 0.84 | 7,236 | 0.270 | 1,953.66 | 26,736.13 |
| 17 | 0.83 | 7,150 | 0.278 | 1,984.02 | 28,720.15 |
| 18 | 0.82 | 7,063 | 0.285 | 2,013.09 | 30,733.24 |
| 19 | 0.81 | 6,977 | 0.293 | 2,040.87 | 32,774.12 |
| 20 | 0.8 | 6,891 | 0.300 | 2,067.36 | 34,841.48 |