| 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: 13.53
At $0.15 per kWh = $2.03 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 | 4,889 | 0.158 | 770.03 | 770.03 |
| 2 | 0.98 | 4,840 | 0.165 | 798.55 | 1,568.58 |
| 3 | 0.97 | 4,790 | 0.173 | 826.33 | 2,394.90 |
| 4 | 0.96 | 4,741 | 0.180 | 853.36 | 3,248.27 |
| 5 | 0.95 | 4,692 | 0.188 | 879.66 | 4,127.93 |
| 6 | 0.94 | 4,642 | 0.195 | 905.22 | 5,033.14 |
| 7 | 0.93 | 4,593 | 0.203 | 930.03 | 5,963.18 |
| 8 | 0.92 | 4,543 | 0.210 | 954.11 | 6,917.29 |
| 9 | 0.91 | 4,494 | 0.218 | 977.44 | 7,894.73 |
| 10 | 0.9 | 4,445 | 0.225 | 1,000.04 | 8,894.77 |
| 11 | 0.89 | 4,395 | 0.233 | 1,021.89 | 9,916.65 |
| 12 | 0.88 | 4,346 | 0.240 | 1,043.00 | 10,959.66 |
| 13 | 0.87 | 4,296 | 0.248 | 1,063.37 | 12,023.03 |
| 14 | 0.86 | 4,247 | 0.255 | 1,083.00 | 13,106.03 |
| 15 | 0.85 | 4,198 | 0.263 | 1,101.89 | 14,207.92 |
| 16 | 0.84 | 4,148 | 0.270 | 1,120.04 | 15,327.96 |
| 17 | 0.83 | 4,099 | 0.278 | 1,137.45 | 16,465.41 |
| 18 | 0.82 | 4,050 | 0.285 | 1,154.12 | 17,619.53 |
| 19 | 0.81 | 4,000 | 0.293 | 1,170.04 | 18,789.57 |
| 20 | 0.8 | 3,951 | 0.300 | 1,185.23 | 19,974.80 |