| 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: 13.4
At $0.15 per kWh = $2.01 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 | 4,842 | 0.158 | 762.63 | 762.63 |
| 2 | 0.98 | 4,793 | 0.165 | 790.87 | 1,553.50 |
| 3 | 0.97 | 4,744 | 0.173 | 818.39 | 2,371.89 |
| 4 | 0.96 | 4,695 | 0.180 | 845.16 | 3,217.06 |
| 5 | 0.95 | 4,646 | 0.188 | 871.21 | 4,088.26 |
| 6 | 0.94 | 4,598 | 0.195 | 896.52 | 4,984.78 |
| 7 | 0.93 | 4,549 | 0.203 | 921.10 | 5,905.88 |
| 8 | 0.92 | 4,500 | 0.210 | 944.94 | 6,850.82 |
| 9 | 0.91 | 4,451 | 0.218 | 968.05 | 7,818.87 |
| 10 | 0.9 | 4,402 | 0.225 | 990.43 | 8,809.30 |
| 11 | 0.89 | 4,353 | 0.233 | 1,012.07 | 9,821.37 |
| 12 | 0.88 | 4,304 | 0.240 | 1,032.98 | 10,854.35 |
| 13 | 0.87 | 4,255 | 0.248 | 1,053.15 | 11,907.51 |
| 14 | 0.86 | 4,206 | 0.255 | 1,072.60 | 12,980.10 |
| 15 | 0.85 | 4,157 | 0.263 | 1,091.30 | 14,071.41 |
| 16 | 0.84 | 4,108 | 0.270 | 1,109.28 | 15,180.69 |
| 17 | 0.83 | 4,060 | 0.278 | 1,126.52 | 16,307.21 |
| 18 | 0.82 | 4,011 | 0.285 | 1,143.03 | 17,450.23 |
| 19 | 0.81 | 3,962 | 0.293 | 1,158.80 | 18,609.03 |
| 20 | 0.8 | 3,913 | 0.300 | 1,173.84 | 19,782.87 |