| 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: 12.99
At $0.15 per kWh = $1.95 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 | 4,694 | 0.158 | 739.29 | 739.29 |
| 2 | 0.98 | 4,647 | 0.165 | 766.68 | 1,505.97 |
| 3 | 0.97 | 4,599 | 0.173 | 793.35 | 2,299.32 |
| 4 | 0.96 | 4,552 | 0.180 | 819.31 | 3,118.62 |
| 5 | 0.95 | 4,504 | 0.188 | 844.55 | 3,963.18 |
| 6 | 0.94 | 4,457 | 0.195 | 869.09 | 4,832.27 |
| 7 | 0.93 | 4,409 | 0.203 | 892.91 | 5,725.18 |
| 8 | 0.92 | 4,362 | 0.210 | 916.03 | 6,641.21 |
| 9 | 0.91 | 4,315 | 0.218 | 938.43 | 7,579.64 |
| 10 | 0.9 | 4,267 | 0.225 | 960.12 | 8,539.76 |
| 11 | 0.89 | 4,220 | 0.233 | 981.10 | 9,520.87 |
| 12 | 0.88 | 4,172 | 0.240 | 1,001.37 | 10,522.24 |
| 13 | 0.87 | 4,125 | 0.248 | 1,020.93 | 11,543.17 |
| 14 | 0.86 | 4,078 | 0.255 | 1,039.78 | 12,582.95 |
| 15 | 0.85 | 4,030 | 0.263 | 1,057.91 | 13,640.86 |
| 16 | 0.84 | 3,983 | 0.270 | 1,075.34 | 14,716.20 |
| 17 | 0.83 | 3,935 | 0.278 | 1,092.05 | 15,808.25 |
| 18 | 0.82 | 3,888 | 0.285 | 1,108.05 | 16,916.31 |
| 19 | 0.81 | 3,840 | 0.293 | 1,123.34 | 18,039.65 |
| 20 | 0.8 | 3,793 | 0.300 | 1,137.92 | 19,177.58 |