| 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: 13.39
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 | 4,838 | 0.158 | 762.06 | 762.06 |
| 2 | 0.98 | 4,790 | 0.165 | 790.28 | 1,552.34 |
| 3 | 0.97 | 4,741 | 0.173 | 817.78 | 2,370.12 |
| 4 | 0.96 | 4,692 | 0.180 | 844.53 | 3,214.65 |
| 5 | 0.95 | 4,643 | 0.188 | 870.56 | 4,085.21 |
| 6 | 0.94 | 4,594 | 0.195 | 895.85 | 4,981.06 |
| 7 | 0.93 | 4,545 | 0.203 | 920.41 | 5,901.48 |
| 8 | 0.92 | 4,496 | 0.210 | 944.24 | 6,845.71 |
| 9 | 0.91 | 4,447 | 0.218 | 967.33 | 7,813.04 |
| 10 | 0.9 | 4,399 | 0.225 | 989.69 | 8,802.73 |
| 11 | 0.89 | 4,350 | 0.233 | 1,011.31 | 9,814.04 |
| 12 | 0.88 | 4,301 | 0.240 | 1,032.21 | 10,846.25 |
| 13 | 0.87 | 4,252 | 0.248 | 1,052.37 | 11,898.62 |
| 14 | 0.86 | 4,203 | 0.255 | 1,071.80 | 12,970.42 |
| 15 | 0.85 | 4,154 | 0.263 | 1,090.49 | 14,060.91 |
| 16 | 0.84 | 4,105 | 0.270 | 1,108.45 | 15,169.36 |
| 17 | 0.83 | 4,057 | 0.278 | 1,125.68 | 16,295.04 |
| 18 | 0.82 | 4,008 | 0.285 | 1,142.17 | 17,437.21 |
| 19 | 0.81 | 3,959 | 0.293 | 1,157.94 | 18,595.14 |
| 20 | 0.8 | 3,910 | 0.300 | 1,172.96 | 19,768.11 |