| 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: 24.01
At $0.15 per kWh = $3.6 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 | 8,676 | 0.158 | 1,366.47 | 1,366.47 |
| 2 | 0.98 | 8,588 | 0.165 | 1,417.08 | 2,783.55 |
| 3 | 0.97 | 8,501 | 0.173 | 1,466.38 | 4,249.93 |
| 4 | 0.96 | 8,413 | 0.180 | 1,514.36 | 5,764.29 |
| 5 | 0.95 | 8,325 | 0.188 | 1,561.03 | 7,325.32 |
| 6 | 0.94 | 8,238 | 0.195 | 1,606.38 | 8,931.69 |
| 7 | 0.93 | 8,150 | 0.203 | 1,650.41 | 10,582.11 |
| 8 | 0.92 | 8,063 | 0.210 | 1,693.14 | 12,275.24 |
| 9 | 0.91 | 7,975 | 0.218 | 1,734.55 | 14,009.79 |
| 10 | 0.9 | 7,887 | 0.225 | 1,774.64 | 15,784.43 |
| 11 | 0.89 | 7,800 | 0.233 | 1,813.42 | 17,597.85 |
| 12 | 0.88 | 7,712 | 0.240 | 1,850.88 | 19,448.73 |
| 13 | 0.87 | 7,624 | 0.248 | 1,887.03 | 21,335.76 |
| 14 | 0.86 | 7,537 | 0.255 | 1,921.87 | 23,257.63 |
| 15 | 0.85 | 7,449 | 0.263 | 1,955.39 | 25,213.02 |
| 16 | 0.84 | 7,361 | 0.270 | 1,987.60 | 27,200.62 |
| 17 | 0.83 | 7,274 | 0.278 | 2,018.49 | 29,219.10 |
| 18 | 0.82 | 7,186 | 0.285 | 2,048.07 | 31,267.17 |
| 19 | 0.81 | 7,099 | 0.293 | 2,076.33 | 33,343.50 |
| 20 | 0.8 | 7,011 | 0.300 | 2,103.28 | 35,446.77 |