| 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: 17.1
At $0.15 per kWh = $2.57 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 | 6,179 | 0.158 | 973.21 | 973.21 |
| 2 | 0.98 | 6,117 | 0.165 | 1,009.25 | 1,982.46 |
| 3 | 0.97 | 6,054 | 0.173 | 1,044.36 | 3,026.82 |
| 4 | 0.96 | 5,992 | 0.180 | 1,078.53 | 4,105.35 |
| 5 | 0.95 | 5,929 | 0.188 | 1,111.77 | 5,217.11 |
| 6 | 0.94 | 5,867 | 0.195 | 1,144.07 | 6,361.18 |
| 7 | 0.93 | 5,805 | 0.203 | 1,175.43 | 7,536.61 |
| 8 | 0.92 | 5,742 | 0.210 | 1,205.86 | 8,742.47 |
| 9 | 0.91 | 5,680 | 0.218 | 1,235.35 | 9,977.82 |
| 10 | 0.9 | 5,617 | 0.225 | 1,263.90 | 11,241.72 |
| 11 | 0.89 | 5,555 | 0.233 | 1,291.52 | 12,533.24 |
| 12 | 0.88 | 5,493 | 0.240 | 1,318.20 | 13,851.45 |
| 13 | 0.87 | 5,430 | 0.248 | 1,343.95 | 15,195.40 |
| 14 | 0.86 | 5,368 | 0.255 | 1,368.76 | 16,564.16 |
| 15 | 0.85 | 5,305 | 0.263 | 1,392.63 | 17,956.80 |
| 16 | 0.84 | 5,243 | 0.270 | 1,415.57 | 19,372.37 |
| 17 | 0.83 | 5,180 | 0.278 | 1,437.57 | 20,809.94 |
| 18 | 0.82 | 5,118 | 0.285 | 1,458.64 | 22,268.58 |
| 19 | 0.81 | 5,056 | 0.293 | 1,478.77 | 23,747.35 |
| 20 | 0.8 | 4,993 | 0.300 | 1,497.96 | 25,245.31 |