| 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: 23.56
At $0.15 per kWh = $3.53 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 | 8,513 | 0.158 | 1,340.86 | 1,340.86 |
| 2 | 0.98 | 8,427 | 0.165 | 1,390.52 | 2,731.38 |
| 3 | 0.97 | 8,341 | 0.173 | 1,438.89 | 4,170.28 |
| 4 | 0.96 | 8,255 | 0.180 | 1,485.98 | 5,656.26 |
| 5 | 0.95 | 8,169 | 0.188 | 1,531.77 | 7,188.02 |
| 6 | 0.94 | 8,083 | 0.195 | 1,576.27 | 8,764.29 |
| 7 | 0.93 | 7,997 | 0.203 | 1,619.48 | 10,383.78 |
| 8 | 0.92 | 7,911 | 0.210 | 1,661.40 | 12,045.18 |
| 9 | 0.91 | 7,825 | 0.218 | 1,702.04 | 13,747.22 |
| 10 | 0.9 | 7,739 | 0.225 | 1,741.38 | 15,488.59 |
| 11 | 0.89 | 7,653 | 0.233 | 1,779.43 | 17,268.03 |
| 12 | 0.88 | 7,567 | 0.240 | 1,816.19 | 19,084.22 |
| 13 | 0.87 | 7,481 | 0.248 | 1,851.67 | 20,935.88 |
| 14 | 0.86 | 7,395 | 0.255 | 1,885.85 | 22,821.73 |
| 15 | 0.85 | 7,309 | 0.263 | 1,918.74 | 24,740.47 |
| 16 | 0.84 | 7,223 | 0.270 | 1,950.34 | 26,690.82 |
| 17 | 0.83 | 7,138 | 0.278 | 1,980.66 | 28,671.47 |
| 18 | 0.82 | 7,052 | 0.285 | 2,009.68 | 30,681.15 |
| 19 | 0.81 | 6,966 | 0.293 | 2,037.41 | 32,718.57 |
| 20 | 0.8 | 6,880 | 0.300 | 2,063.86 | 34,782.42 |