| 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: 19.21
At $0.15 per kWh = $2.88 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 | 6,942 | 0.158 | 1,093.29 | 1,093.29 |
| 2 | 0.98 | 6,871 | 0.165 | 1,133.78 | 2,227.08 |
| 3 | 0.97 | 6,801 | 0.173 | 1,173.22 | 3,400.30 |
| 4 | 0.96 | 6,731 | 0.180 | 1,211.61 | 4,611.91 |
| 5 | 0.95 | 6,661 | 0.188 | 1,248.95 | 5,860.86 |
| 6 | 0.94 | 6,591 | 0.195 | 1,285.24 | 7,146.10 |
| 7 | 0.93 | 6,521 | 0.203 | 1,320.47 | 8,466.57 |
| 8 | 0.92 | 6,451 | 0.210 | 1,354.65 | 9,821.22 |
| 9 | 0.91 | 6,381 | 0.218 | 1,387.78 | 11,209.00 |
| 10 | 0.9 | 6,310 | 0.225 | 1,419.86 | 12,628.86 |
| 11 | 0.89 | 6,240 | 0.233 | 1,450.89 | 14,079.74 |
| 12 | 0.88 | 6,170 | 0.240 | 1,480.86 | 15,560.60 |
| 13 | 0.87 | 6,100 | 0.248 | 1,509.78 | 17,070.39 |
| 14 | 0.86 | 6,030 | 0.255 | 1,537.65 | 18,608.04 |
| 15 | 0.85 | 5,960 | 0.263 | 1,564.47 | 20,172.52 |
| 16 | 0.84 | 5,890 | 0.270 | 1,590.24 | 21,762.76 |
| 17 | 0.83 | 5,820 | 0.278 | 1,614.96 | 23,377.72 |
| 18 | 0.82 | 5,750 | 0.285 | 1,638.62 | 25,016.34 |
| 19 | 0.81 | 5,679 | 0.293 | 1,661.24 | 26,677.58 |
| 20 | 0.8 | 5,609 | 0.300 | 1,682.80 | 28,360.37 |