| 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: 13.25
At $0.15 per kWh = $1.99 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 | 4,788 | 0.158 | 754.09 | 754.09 |
| 2 | 0.98 | 4,740 | 0.165 | 782.02 | 1,536.11 |
| 3 | 0.97 | 4,691 | 0.173 | 809.23 | 2,345.34 |
| 4 | 0.96 | 4,643 | 0.180 | 835.70 | 3,181.04 |
| 5 | 0.95 | 4,594 | 0.188 | 861.46 | 4,042.50 |
| 6 | 0.94 | 4,546 | 0.195 | 886.48 | 4,928.99 |
| 7 | 0.93 | 4,498 | 0.203 | 910.79 | 5,839.77 |
| 8 | 0.92 | 4,449 | 0.210 | 934.36 | 6,774.14 |
| 9 | 0.91 | 4,401 | 0.218 | 957.21 | 7,731.35 |
| 10 | 0.9 | 4,353 | 0.225 | 979.34 | 8,710.69 |
| 11 | 0.89 | 4,304 | 0.233 | 1,000.74 | 9,711.43 |
| 12 | 0.88 | 4,256 | 0.240 | 1,021.42 | 10,732.85 |
| 13 | 0.87 | 4,208 | 0.248 | 1,041.37 | 11,774.21 |
| 14 | 0.86 | 4,159 | 0.255 | 1,060.59 | 12,834.80 |
| 15 | 0.85 | 4,111 | 0.263 | 1,079.09 | 13,913.89 |
| 16 | 0.84 | 4,062 | 0.270 | 1,096.86 | 15,010.75 |
| 17 | 0.83 | 4,014 | 0.278 | 1,113.91 | 16,124.66 |
| 18 | 0.82 | 3,966 | 0.285 | 1,130.23 | 17,254.89 |
| 19 | 0.81 | 3,917 | 0.293 | 1,145.83 | 18,400.72 |
| 20 | 0.8 | 3,869 | 0.300 | 1,160.70 | 19,561.42 |