| 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: 13.97
At $0.15 per kWh = $2.09 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 | 5,048 | 0.158 | 795.07 | 795.07 |
| 2 | 0.98 | 4,997 | 0.165 | 824.52 | 1,619.59 |
| 3 | 0.97 | 4,946 | 0.173 | 853.20 | 2,472.78 |
| 4 | 0.96 | 4,895 | 0.180 | 881.12 | 3,353.90 |
| 5 | 0.95 | 4,844 | 0.188 | 908.27 | 4,262.17 |
| 6 | 0.94 | 4,793 | 0.195 | 934.66 | 5,196.82 |
| 7 | 0.93 | 4,742 | 0.203 | 960.28 | 6,157.10 |
| 8 | 0.92 | 4,691 | 0.210 | 985.14 | 7,142.24 |
| 9 | 0.91 | 4,640 | 0.218 | 1,009.23 | 8,151.47 |
| 10 | 0.9 | 4,589 | 0.225 | 1,032.56 | 9,184.03 |
| 11 | 0.89 | 4,538 | 0.233 | 1,055.12 | 10,239.15 |
| 12 | 0.88 | 4,487 | 0.240 | 1,076.92 | 11,316.07 |
| 13 | 0.87 | 4,436 | 0.248 | 1,097.95 | 12,414.02 |
| 14 | 0.86 | 4,385 | 0.255 | 1,118.22 | 13,532.24 |
| 15 | 0.85 | 4,334 | 0.263 | 1,137.73 | 14,669.97 |
| 16 | 0.84 | 4,283 | 0.270 | 1,156.46 | 15,826.43 |
| 17 | 0.83 | 4,232 | 0.278 | 1,174.44 | 17,000.87 |
| 18 | 0.82 | 4,181 | 0.285 | 1,191.65 | 18,192.52 |
| 19 | 0.81 | 4,130 | 0.293 | 1,208.09 | 19,400.61 |
| 20 | 0.8 | 4,079 | 0.300 | 1,223.77 | 20,624.38 |