| 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: 13.23
At $0.15 per kWh = $1.99 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 | 4,781 | 0.158 | 752.95 | 752.95 |
| 2 | 0.98 | 4,732 | 0.165 | 780.84 | 1,533.80 |
| 3 | 0.97 | 4,684 | 0.173 | 808.00 | 2,341.80 |
| 4 | 0.96 | 4,636 | 0.180 | 834.44 | 3,176.24 |
| 5 | 0.95 | 4,588 | 0.188 | 860.16 | 4,036.40 |
| 6 | 0.94 | 4,539 | 0.195 | 885.15 | 4,921.55 |
| 7 | 0.93 | 4,491 | 0.203 | 909.41 | 5,830.96 |
| 8 | 0.92 | 4,443 | 0.210 | 932.95 | 6,763.91 |
| 9 | 0.91 | 4,394 | 0.218 | 955.77 | 7,719.68 |
| 10 | 0.9 | 4,346 | 0.225 | 977.86 | 8,697.54 |
| 11 | 0.89 | 4,298 | 0.233 | 999.23 | 9,696.77 |
| 12 | 0.88 | 4,249 | 0.240 | 1,019.87 | 10,716.65 |
| 13 | 0.87 | 4,201 | 0.248 | 1,039.79 | 11,756.44 |
| 14 | 0.86 | 4,153 | 0.255 | 1,058.99 | 12,815.43 |
| 15 | 0.85 | 4,105 | 0.263 | 1,077.46 | 13,892.89 |
| 16 | 0.84 | 4,056 | 0.270 | 1,095.21 | 14,988.10 |
| 17 | 0.83 | 4,008 | 0.278 | 1,112.23 | 16,100.32 |
| 18 | 0.82 | 3,960 | 0.285 | 1,128.53 | 17,228.85 |
| 19 | 0.81 | 3,911 | 0.293 | 1,144.10 | 18,372.95 |
| 20 | 0.8 | 3,863 | 0.300 | 1,158.95 | 19,531.90 |