| 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: 23.78
At $0.15 per kWh = $3.57 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 | 8,593 | 0.158 | 1,353.38 | 1,353.38 |
| 2 | 0.98 | 8,506 | 0.165 | 1,403.51 | 2,756.89 |
| 3 | 0.97 | 8,419 | 0.173 | 1,452.33 | 4,209.22 |
| 4 | 0.96 | 8,333 | 0.180 | 1,499.85 | 5,709.07 |
| 5 | 0.95 | 8,246 | 0.188 | 1,546.07 | 7,255.14 |
| 6 | 0.94 | 8,159 | 0.195 | 1,590.99 | 8,846.13 |
| 7 | 0.93 | 8,072 | 0.203 | 1,634.60 | 10,480.74 |
| 8 | 0.92 | 7,985 | 0.210 | 1,676.92 | 12,157.66 |
| 9 | 0.91 | 7,899 | 0.218 | 1,717.93 | 13,875.59 |
| 10 | 0.9 | 7,812 | 0.225 | 1,757.64 | 15,633.22 |
| 11 | 0.89 | 7,725 | 0.233 | 1,796.05 | 17,429.27 |
| 12 | 0.88 | 7,638 | 0.240 | 1,833.15 | 19,262.42 |
| 13 | 0.87 | 7,551 | 0.248 | 1,868.96 | 21,131.38 |
| 14 | 0.86 | 7,465 | 0.255 | 1,903.46 | 23,034.84 |
| 15 | 0.85 | 7,378 | 0.263 | 1,936.66 | 24,971.50 |
| 16 | 0.84 | 7,291 | 0.270 | 1,968.56 | 26,940.05 |
| 17 | 0.83 | 7,204 | 0.278 | 1,999.15 | 28,939.20 |
| 18 | 0.82 | 7,117 | 0.285 | 2,028.45 | 30,967.65 |
| 19 | 0.81 | 7,031 | 0.293 | 2,056.44 | 33,024.09 |
| 20 | 0.8 | 6,944 | 0.300 | 2,083.13 | 35,107.22 |