| 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: 13.11
At $0.15 per kWh = $1.97 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 | 4,737 | 0.158 | 746.12 | 746.12 |
| 2 | 0.98 | 4,689 | 0.165 | 773.76 | 1,519.88 |
| 3 | 0.97 | 4,642 | 0.173 | 800.68 | 2,320.56 |
| 4 | 0.96 | 4,594 | 0.180 | 826.87 | 3,147.43 |
| 5 | 0.95 | 4,546 | 0.188 | 852.35 | 3,999.79 |
| 6 | 0.94 | 4,498 | 0.195 | 877.12 | 4,876.91 |
| 7 | 0.93 | 4,450 | 0.203 | 901.16 | 5,778.07 |
| 8 | 0.92 | 4,402 | 0.210 | 924.49 | 6,702.56 |
| 9 | 0.91 | 4,354 | 0.218 | 947.10 | 7,649.66 |
| 10 | 0.9 | 4,307 | 0.225 | 968.99 | 8,618.65 |
| 11 | 0.89 | 4,259 | 0.233 | 990.17 | 9,608.82 |
| 12 | 0.88 | 4,211 | 0.240 | 1,010.62 | 10,619.44 |
| 13 | 0.87 | 4,163 | 0.248 | 1,030.36 | 11,649.81 |
| 14 | 0.86 | 4,115 | 0.255 | 1,049.38 | 12,699.19 |
| 15 | 0.85 | 4,067 | 0.263 | 1,067.69 | 13,766.88 |
| 16 | 0.84 | 4,020 | 0.270 | 1,085.27 | 14,852.15 |
| 17 | 0.83 | 3,972 | 0.278 | 1,102.14 | 15,954.29 |
| 18 | 0.82 | 3,924 | 0.285 | 1,118.29 | 17,072.58 |
| 19 | 0.81 | 3,876 | 0.293 | 1,133.72 | 18,206.30 |
| 20 | 0.8 | 3,828 | 0.300 | 1,148.44 | 19,354.74 |