| 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: 13.47
At $0.15 per kWh = $2.02 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 | 4,867 | 0.158 | 766.61 | 766.61 |
| 2 | 0.98 | 4,818 | 0.165 | 795.01 | 1,561.62 |
| 3 | 0.97 | 4,769 | 0.173 | 822.66 | 2,384.28 |
| 4 | 0.96 | 4,720 | 0.180 | 849.58 | 3,233.86 |
| 5 | 0.95 | 4,671 | 0.188 | 875.76 | 4,109.62 |
| 6 | 0.94 | 4,622 | 0.195 | 901.20 | 5,010.82 |
| 7 | 0.93 | 4,572 | 0.203 | 925.91 | 5,936.73 |
| 8 | 0.92 | 4,523 | 0.210 | 949.88 | 6,886.61 |
| 9 | 0.91 | 4,474 | 0.218 | 973.11 | 7,859.72 |
| 10 | 0.9 | 4,425 | 0.225 | 995.60 | 8,855.32 |
| 11 | 0.89 | 4,376 | 0.233 | 1,017.36 | 9,872.68 |
| 12 | 0.88 | 4,327 | 0.240 | 1,038.38 | 10,911.05 |
| 13 | 0.87 | 4,277 | 0.248 | 1,058.66 | 11,969.71 |
| 14 | 0.86 | 4,228 | 0.255 | 1,078.20 | 13,047.91 |
| 15 | 0.85 | 4,179 | 0.263 | 1,097.01 | 14,144.91 |
| 16 | 0.84 | 4,130 | 0.270 | 1,115.07 | 15,259.99 |
| 17 | 0.83 | 4,081 | 0.278 | 1,132.40 | 16,392.39 |
| 18 | 0.82 | 4,032 | 0.285 | 1,149.00 | 17,541.39 |
| 19 | 0.81 | 3,982 | 0.293 | 1,164.85 | 18,706.24 |
| 20 | 0.8 | 3,933 | 0.300 | 1,179.97 | 19,886.22 |