| 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: 13.06
At $0.15 per kWh = $1.96 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 | 4,719 | 0.158 | 743.28 | 743.28 |
| 2 | 0.98 | 4,672 | 0.165 | 770.81 | 1,514.09 |
| 3 | 0.97 | 4,624 | 0.173 | 797.62 | 2,311.71 |
| 4 | 0.96 | 4,576 | 0.180 | 823.72 | 3,135.43 |
| 5 | 0.95 | 4,529 | 0.188 | 849.10 | 3,984.53 |
| 6 | 0.94 | 4,481 | 0.195 | 873.77 | 4,858.31 |
| 7 | 0.93 | 4,433 | 0.203 | 897.73 | 5,756.03 |
| 8 | 0.92 | 4,386 | 0.210 | 920.97 | 6,677.00 |
| 9 | 0.91 | 4,338 | 0.218 | 943.49 | 7,620.49 |
| 10 | 0.9 | 4,290 | 0.225 | 965.30 | 8,585.78 |
| 11 | 0.89 | 4,243 | 0.233 | 986.39 | 9,572.17 |
| 12 | 0.88 | 4,195 | 0.240 | 1,006.77 | 10,578.94 |
| 13 | 0.87 | 4,147 | 0.248 | 1,026.43 | 11,605.38 |
| 14 | 0.86 | 4,100 | 0.255 | 1,045.38 | 12,650.76 |
| 15 | 0.85 | 4,052 | 0.263 | 1,063.61 | 13,714.37 |
| 16 | 0.84 | 4,004 | 0.270 | 1,081.13 | 14,795.50 |
| 17 | 0.83 | 3,957 | 0.278 | 1,097.94 | 15,893.44 |
| 18 | 0.82 | 3,909 | 0.285 | 1,114.02 | 17,007.46 |
| 19 | 0.81 | 3,861 | 0.293 | 1,129.40 | 18,136.86 |
| 20 | 0.8 | 3,814 | 0.300 | 1,144.06 | 19,280.92 |