| 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: 23.9
At $0.15 per kWh = $3.58 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 | 8,636 | 0.158 | 1,360.21 | 1,360.21 |
| 2 | 0.98 | 8,549 | 0.165 | 1,410.59 | 2,770.80 |
| 3 | 0.97 | 8,462 | 0.173 | 1,459.66 | 4,230.46 |
| 4 | 0.96 | 8,375 | 0.180 | 1,507.42 | 5,737.88 |
| 5 | 0.95 | 8,287 | 0.188 | 1,553.87 | 7,291.76 |
| 6 | 0.94 | 8,200 | 0.195 | 1,599.02 | 8,890.77 |
| 7 | 0.93 | 8,113 | 0.203 | 1,642.85 | 10,533.63 |
| 8 | 0.92 | 8,026 | 0.210 | 1,685.38 | 12,219.01 |
| 9 | 0.91 | 7,938 | 0.218 | 1,726.60 | 13,945.61 |
| 10 | 0.9 | 7,851 | 0.225 | 1,766.51 | 15,712.11 |
| 11 | 0.89 | 7,764 | 0.233 | 1,805.11 | 17,517.22 |
| 12 | 0.88 | 7,677 | 0.240 | 1,842.40 | 19,359.63 |
| 13 | 0.87 | 7,589 | 0.248 | 1,878.39 | 21,238.02 |
| 14 | 0.86 | 7,502 | 0.255 | 1,913.06 | 23,151.08 |
| 15 | 0.85 | 7,415 | 0.263 | 1,946.43 | 25,097.51 |
| 16 | 0.84 | 7,328 | 0.270 | 1,978.49 | 27,076.00 |
| 17 | 0.83 | 7,241 | 0.278 | 2,009.24 | 29,085.24 |
| 18 | 0.82 | 7,153 | 0.285 | 2,038.68 | 31,123.92 |
| 19 | 0.81 | 7,066 | 0.293 | 2,066.82 | 33,190.74 |
| 20 | 0.8 | 6,979 | 0.300 | 2,093.64 | 35,284.38 |