| 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: 13.57
At $0.15 per kWh = $2.04 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 | 4,904 | 0.158 | 772.30 | 772.30 |
| 2 | 0.98 | 4,854 | 0.165 | 800.91 | 1,573.21 |
| 3 | 0.97 | 4,804 | 0.173 | 828.77 | 2,401.98 |
| 4 | 0.96 | 4,755 | 0.180 | 855.89 | 3,257.87 |
| 5 | 0.95 | 4,705 | 0.188 | 882.26 | 4,140.13 |
| 6 | 0.94 | 4,656 | 0.195 | 907.89 | 5,048.02 |
| 7 | 0.93 | 4,606 | 0.203 | 932.78 | 5,980.81 |
| 8 | 0.92 | 4,557 | 0.210 | 956.93 | 6,937.74 |
| 9 | 0.91 | 4,507 | 0.218 | 980.33 | 7,918.07 |
| 10 | 0.9 | 4,458 | 0.225 | 1,002.99 | 8,921.06 |
| 11 | 0.89 | 4,408 | 0.233 | 1,024.91 | 9,945.97 |
| 12 | 0.88 | 4,359 | 0.240 | 1,046.08 | 10,992.06 |
| 13 | 0.87 | 4,309 | 0.248 | 1,066.52 | 12,058.57 |
| 14 | 0.86 | 4,260 | 0.255 | 1,086.20 | 13,144.78 |
| 15 | 0.85 | 4,210 | 0.263 | 1,105.15 | 14,249.92 |
| 16 | 0.84 | 4,161 | 0.270 | 1,123.35 | 15,373.28 |
| 17 | 0.83 | 4,111 | 0.278 | 1,140.81 | 16,514.09 |
| 18 | 0.82 | 4,062 | 0.285 | 1,157.53 | 17,671.62 |
| 19 | 0.81 | 4,012 | 0.293 | 1,173.50 | 18,845.12 |
| 20 | 0.8 | 3,962 | 0.300 | 1,188.73 | 20,033.85 |