| 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: 13.2
At $0.15 per kWh = $1.98 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 | 4,770 | 0.158 | 751.25 | 751.25 |
| 2 | 0.98 | 4,722 | 0.165 | 779.07 | 1,530.32 |
| 3 | 0.97 | 4,673 | 0.173 | 806.17 | 2,336.49 |
| 4 | 0.96 | 4,625 | 0.180 | 832.55 | 3,169.04 |
| 5 | 0.95 | 4,577 | 0.188 | 858.21 | 4,027.25 |
| 6 | 0.94 | 4,529 | 0.195 | 883.14 | 4,910.39 |
| 7 | 0.93 | 4,481 | 0.203 | 907.35 | 5,817.74 |
| 8 | 0.92 | 4,433 | 0.210 | 930.84 | 6,748.57 |
| 9 | 0.91 | 4,384 | 0.218 | 953.60 | 7,702.18 |
| 10 | 0.9 | 4,336 | 0.225 | 975.65 | 8,677.82 |
| 11 | 0.89 | 4,288 | 0.233 | 996.96 | 9,674.78 |
| 12 | 0.88 | 4,240 | 0.240 | 1,017.56 | 10,692.35 |
| 13 | 0.87 | 4,192 | 0.248 | 1,037.44 | 11,729.78 |
| 14 | 0.86 | 4,143 | 0.255 | 1,056.59 | 12,786.37 |
| 15 | 0.85 | 4,095 | 0.263 | 1,075.02 | 13,861.39 |
| 16 | 0.84 | 4,047 | 0.270 | 1,092.72 | 14,954.11 |
| 17 | 0.83 | 3,999 | 0.278 | 1,109.71 | 16,063.81 |
| 18 | 0.82 | 3,951 | 0.285 | 1,125.97 | 17,189.78 |
| 19 | 0.81 | 3,903 | 0.293 | 1,141.50 | 18,331.29 |
| 20 | 0.8 | 3,854 | 0.300 | 1,156.32 | 19,487.61 |