| 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: 13.43
At $0.15 per kWh = $2.02 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 | 4,853 | 0.158 | 764.34 | 764.34 |
| 2 | 0.98 | 4,804 | 0.165 | 792.65 | 1,556.98 |
| 3 | 0.97 | 4,755 | 0.173 | 820.22 | 2,377.20 |
| 4 | 0.96 | 4,706 | 0.180 | 847.06 | 3,224.26 |
| 5 | 0.95 | 4,657 | 0.188 | 873.16 | 4,097.42 |
| 6 | 0.94 | 4,608 | 0.195 | 898.53 | 4,995.94 |
| 7 | 0.93 | 4,559 | 0.203 | 923.16 | 5,919.10 |
| 8 | 0.92 | 4,510 | 0.210 | 947.06 | 6,866.16 |
| 9 | 0.91 | 4,461 | 0.218 | 970.22 | 7,836.38 |
| 10 | 0.9 | 4,412 | 0.225 | 992.64 | 8,829.02 |
| 11 | 0.89 | 4,363 | 0.233 | 1,014.34 | 9,843.36 |
| 12 | 0.88 | 4,314 | 0.240 | 1,035.29 | 10,878.65 |
| 13 | 0.87 | 4,265 | 0.248 | 1,055.51 | 11,934.16 |
| 14 | 0.86 | 4,216 | 0.255 | 1,075.00 | 13,009.16 |
| 15 | 0.85 | 4,167 | 0.263 | 1,093.75 | 14,102.91 |
| 16 | 0.84 | 4,118 | 0.270 | 1,111.76 | 15,214.67 |
| 17 | 0.83 | 4,069 | 0.278 | 1,129.04 | 16,343.71 |
| 18 | 0.82 | 4,020 | 0.285 | 1,145.59 | 17,489.30 |
| 19 | 0.81 | 3,971 | 0.293 | 1,161.39 | 18,650.69 |
| 20 | 0.8 | 3,922 | 0.300 | 1,176.47 | 19,827.16 |