| 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: 13.42
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 | 4,849 | 0.158 | 763.77 | 763.77 |
| 2 | 0.98 | 4,800 | 0.165 | 792.06 | 1,555.82 |
| 3 | 0.97 | 4,751 | 0.173 | 819.61 | 2,375.43 |
| 4 | 0.96 | 4,702 | 0.180 | 846.43 | 3,221.86 |
| 5 | 0.95 | 4,653 | 0.188 | 872.51 | 4,094.37 |
| 6 | 0.94 | 4,604 | 0.195 | 897.86 | 4,992.22 |
| 7 | 0.93 | 4,555 | 0.203 | 922.47 | 5,914.70 |
| 8 | 0.92 | 4,506 | 0.210 | 946.35 | 6,861.05 |
| 9 | 0.91 | 4,457 | 0.218 | 969.50 | 7,830.54 |
| 10 | 0.9 | 4,408 | 0.225 | 991.91 | 8,822.45 |
| 11 | 0.89 | 4,359 | 0.233 | 1,013.58 | 9,836.03 |
| 12 | 0.88 | 4,311 | 0.240 | 1,034.52 | 10,870.55 |
| 13 | 0.87 | 4,262 | 0.248 | 1,054.73 | 11,925.28 |
| 14 | 0.86 | 4,213 | 0.255 | 1,074.20 | 12,999.48 |
| 15 | 0.85 | 4,164 | 0.263 | 1,092.93 | 14,092.41 |
| 16 | 0.84 | 4,115 | 0.270 | 1,110.93 | 15,203.34 |
| 17 | 0.83 | 4,066 | 0.278 | 1,128.20 | 16,331.54 |
| 18 | 0.82 | 4,017 | 0.285 | 1,144.73 | 17,476.28 |
| 19 | 0.81 | 3,968 | 0.293 | 1,160.53 | 18,636.81 |
| 20 | 0.8 | 3,919 | 0.300 | 1,175.59 | 19,812.40 |