| 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: 13.14
At $0.15 per kWh = $1.97 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 | 4,748 | 0.158 | 747.83 | 747.83 |
| 2 | 0.98 | 4,700 | 0.165 | 775.53 | 1,523.36 |
| 3 | 0.97 | 4,652 | 0.173 | 802.51 | 2,325.87 |
| 4 | 0.96 | 4,604 | 0.180 | 828.77 | 3,154.63 |
| 5 | 0.95 | 4,556 | 0.188 | 854.31 | 4,008.94 |
| 6 | 0.94 | 4,508 | 0.195 | 879.13 | 4,888.07 |
| 7 | 0.93 | 4,460 | 0.203 | 903.23 | 5,791.29 |
| 8 | 0.92 | 4,412 | 0.210 | 926.61 | 6,717.90 |
| 9 | 0.91 | 4,364 | 0.218 | 949.27 | 7,667.17 |
| 10 | 0.9 | 4,316 | 0.225 | 971.21 | 8,638.38 |
| 11 | 0.89 | 4,269 | 0.233 | 992.43 | 9,630.81 |
| 12 | 0.88 | 4,221 | 0.240 | 1,012.94 | 10,643.74 |
| 13 | 0.87 | 4,173 | 0.248 | 1,032.72 | 11,676.47 |
| 14 | 0.86 | 4,125 | 0.255 | 1,051.78 | 12,728.25 |
| 15 | 0.85 | 4,077 | 0.263 | 1,070.13 | 13,798.38 |
| 16 | 0.84 | 4,029 | 0.270 | 1,087.76 | 14,886.14 |
| 17 | 0.83 | 3,981 | 0.278 | 1,104.66 | 15,990.80 |
| 18 | 0.82 | 3,933 | 0.285 | 1,120.85 | 17,111.65 |
| 19 | 0.81 | 3,885 | 0.293 | 1,136.32 | 18,247.96 |
| 20 | 0.8 | 3,837 | 0.300 | 1,151.06 | 19,399.03 |