| 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: 13.6
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 | 4,914 | 0.158 | 774.01 | 774.01 |
| 2 | 0.98 | 4,865 | 0.165 | 802.68 | 1,576.69 |
| 3 | 0.97 | 4,815 | 0.173 | 830.60 | 2,407.29 |
| 4 | 0.96 | 4,765 | 0.180 | 857.78 | 3,265.07 |
| 5 | 0.95 | 4,716 | 0.188 | 884.21 | 4,149.28 |
| 6 | 0.94 | 4,666 | 0.195 | 909.90 | 5,059.18 |
| 7 | 0.93 | 4,617 | 0.203 | 934.85 | 5,994.03 |
| 8 | 0.92 | 4,567 | 0.210 | 959.04 | 6,953.07 |
| 9 | 0.91 | 4,517 | 0.218 | 982.50 | 7,935.57 |
| 10 | 0.9 | 4,468 | 0.225 | 1,005.21 | 8,940.78 |
| 11 | 0.89 | 4,418 | 0.233 | 1,027.18 | 9,967.96 |
| 12 | 0.88 | 4,368 | 0.240 | 1,048.40 | 11,016.36 |
| 13 | 0.87 | 4,319 | 0.248 | 1,068.87 | 12,085.23 |
| 14 | 0.86 | 4,269 | 0.255 | 1,088.61 | 13,173.84 |
| 15 | 0.85 | 4,219 | 0.263 | 1,107.59 | 14,281.43 |
| 16 | 0.84 | 4,170 | 0.270 | 1,125.84 | 15,407.26 |
| 17 | 0.83 | 4,120 | 0.278 | 1,143.33 | 16,550.60 |
| 18 | 0.82 | 4,070 | 0.285 | 1,160.09 | 17,710.68 |
| 19 | 0.81 | 4,021 | 0.293 | 1,176.10 | 18,886.78 |
| 20 | 0.8 | 3,971 | 0.300 | 1,191.36 | 20,078.14 |