| 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: 13.59
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 | 4,911 | 0.158 | 773.44 | 773.44 |
| 2 | 0.98 | 4,861 | 0.165 | 802.09 | 1,575.53 |
| 3 | 0.97 | 4,812 | 0.173 | 829.99 | 2,405.52 |
| 4 | 0.96 | 4,762 | 0.180 | 857.15 | 3,262.67 |
| 5 | 0.95 | 4,712 | 0.188 | 883.56 | 4,146.23 |
| 6 | 0.94 | 4,663 | 0.195 | 909.23 | 5,055.46 |
| 7 | 0.93 | 4,613 | 0.203 | 934.16 | 5,989.62 |
| 8 | 0.92 | 4,564 | 0.210 | 958.34 | 6,947.96 |
| 9 | 0.91 | 4,514 | 0.218 | 981.78 | 7,929.74 |
| 10 | 0.9 | 4,464 | 0.225 | 1,004.47 | 8,934.21 |
| 11 | 0.89 | 4,415 | 0.233 | 1,026.42 | 9,960.63 |
| 12 | 0.88 | 4,365 | 0.240 | 1,047.63 | 11,008.26 |
| 13 | 0.87 | 4,316 | 0.248 | 1,068.09 | 12,076.34 |
| 14 | 0.86 | 4,266 | 0.255 | 1,087.80 | 13,164.15 |
| 15 | 0.85 | 4,216 | 0.263 | 1,106.78 | 14,270.93 |
| 16 | 0.84 | 4,167 | 0.270 | 1,125.01 | 15,395.93 |
| 17 | 0.83 | 4,117 | 0.278 | 1,142.49 | 16,538.43 |
| 18 | 0.82 | 4,067 | 0.285 | 1,159.23 | 17,697.66 |
| 19 | 0.81 | 4,018 | 0.293 | 1,175.23 | 18,872.89 |
| 20 | 0.8 | 3,968 | 0.300 | 1,190.48 | 20,063.38 |