| 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: 24.35
At $0.15 per kWh = $3.65 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 | 8,799 | 0.158 | 1,385.82 | 1,385.82 |
| 2 | 0.98 | 8,710 | 0.165 | 1,437.15 | 2,822.97 |
| 3 | 0.97 | 8,621 | 0.173 | 1,487.14 | 4,310.11 |
| 4 | 0.96 | 8,532 | 0.180 | 1,535.80 | 5,845.92 |
| 5 | 0.95 | 8,443 | 0.188 | 1,583.13 | 7,429.05 |
| 6 | 0.94 | 8,354 | 0.195 | 1,629.12 | 9,058.17 |
| 7 | 0.93 | 8,266 | 0.203 | 1,673.79 | 10,731.96 |
| 8 | 0.92 | 8,177 | 0.210 | 1,717.11 | 12,449.07 |
| 9 | 0.91 | 8,088 | 0.218 | 1,759.11 | 14,208.18 |
| 10 | 0.9 | 7,999 | 0.225 | 1,799.77 | 16,007.95 |
| 11 | 0.89 | 7,910 | 0.233 | 1,839.10 | 17,847.05 |
| 12 | 0.88 | 7,821 | 0.240 | 1,877.09 | 19,724.14 |
| 13 | 0.87 | 7,732 | 0.248 | 1,913.75 | 21,637.89 |
| 14 | 0.86 | 7,643 | 0.255 | 1,949.08 | 23,586.98 |
| 15 | 0.85 | 7,555 | 0.263 | 1,983.08 | 25,570.06 |
| 16 | 0.84 | 7,466 | 0.270 | 2,015.74 | 27,585.80 |
| 17 | 0.83 | 7,377 | 0.278 | 2,047.07 | 29,632.87 |
| 18 | 0.82 | 7,288 | 0.285 | 2,077.07 | 31,709.94 |
| 19 | 0.81 | 7,199 | 0.293 | 2,105.73 | 33,815.67 |
| 20 | 0.8 | 7,110 | 0.300 | 2,133.06 | 35,948.73 |