| 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: 18.92
At $0.15 per kWh = $2.84 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 | 6,837 | 0.158 | 1,076.79 | 1,076.79 |
| 2 | 0.98 | 6,768 | 0.165 | 1,116.67 | 2,193.45 |
| 3 | 0.97 | 6,699 | 0.173 | 1,155.51 | 3,348.97 |
| 4 | 0.96 | 6,630 | 0.180 | 1,193.32 | 4,542.29 |
| 5 | 0.95 | 6,561 | 0.188 | 1,230.10 | 5,772.39 |
| 6 | 0.94 | 6,491 | 0.195 | 1,265.83 | 7,038.22 |
| 7 | 0.93 | 6,422 | 0.203 | 1,300.53 | 8,338.75 |
| 8 | 0.92 | 6,353 | 0.210 | 1,334.20 | 9,672.95 |
| 9 | 0.91 | 6,284 | 0.218 | 1,366.83 | 11,039.78 |
| 10 | 0.9 | 6,215 | 0.225 | 1,398.42 | 12,438.21 |
| 11 | 0.89 | 6,146 | 0.233 | 1,428.98 | 13,867.19 |
| 12 | 0.88 | 6,077 | 0.240 | 1,458.50 | 15,325.70 |
| 13 | 0.87 | 6,008 | 0.248 | 1,486.99 | 16,812.69 |
| 14 | 0.86 | 5,939 | 0.255 | 1,514.44 | 18,327.13 |
| 15 | 0.85 | 5,870 | 0.263 | 1,540.86 | 19,867.99 |
| 16 | 0.84 | 5,801 | 0.270 | 1,566.24 | 21,434.22 |
| 17 | 0.83 | 5,732 | 0.278 | 1,590.58 | 23,024.80 |
| 18 | 0.82 | 5,663 | 0.285 | 1,613.89 | 24,638.69 |
| 19 | 0.81 | 5,594 | 0.293 | 1,636.16 | 26,274.84 |
| 20 | 0.8 | 5,525 | 0.300 | 1,657.39 | 27,932.23 |