| 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: 14.76
At $0.15 per kWh = $2.21 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 | 5,334 | 0.158 | 840.03 | 840.03 |
| 2 | 0.98 | 5,280 | 0.165 | 871.14 | 1,711.17 |
| 3 | 0.97 | 5,226 | 0.173 | 901.45 | 2,612.62 |
| 4 | 0.96 | 5,172 | 0.180 | 930.94 | 3,543.56 |
| 5 | 0.95 | 5,118 | 0.188 | 959.63 | 4,503.19 |
| 6 | 0.94 | 5,064 | 0.195 | 987.51 | 5,490.70 |
| 7 | 0.93 | 5,010 | 0.203 | 1,014.58 | 6,505.29 |
| 8 | 0.92 | 4,956 | 0.210 | 1,040.85 | 7,546.13 |
| 9 | 0.91 | 4,903 | 0.218 | 1,066.30 | 8,612.43 |
| 10 | 0.9 | 4,849 | 0.225 | 1,090.95 | 9,703.38 |
| 11 | 0.89 | 4,795 | 0.233 | 1,114.79 | 10,818.17 |
| 12 | 0.88 | 4,741 | 0.240 | 1,137.82 | 11,955.99 |
| 13 | 0.87 | 4,687 | 0.248 | 1,160.04 | 13,116.03 |
| 14 | 0.86 | 4,633 | 0.255 | 1,181.46 | 14,297.49 |
| 15 | 0.85 | 4,579 | 0.263 | 1,202.06 | 15,499.55 |
| 16 | 0.84 | 4,525 | 0.270 | 1,221.86 | 16,721.41 |
| 17 | 0.83 | 4,472 | 0.278 | 1,240.85 | 17,962.27 |
| 18 | 0.82 | 4,418 | 0.285 | 1,259.04 | 19,221.30 |
| 19 | 0.81 | 4,364 | 0.293 | 1,276.41 | 20,497.71 |
| 20 | 0.8 | 4,310 | 0.300 | 1,292.98 | 21,790.69 |