Dev #5: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 4.99 kWh
e-total: 26129.37 kWh
read bad crc 9615, should be B14D. Message *should* be rejected.

today:
1970-07-14 06:54:24: -109859489896122548224 W
1987-07-06 22:32:08:      0 W
1988-10-04 01:13:36:      0 W
1990-01-02 03:54:32:      0 W
1991-04-02 06:35:08:      0 W
1992-06-30 09:16:24:      0 W
1993-09-28 11:57:32:      0 W
1994-12-27 14:38:14:      0 W
1996-03-26 17:18:35:      0 W
1997-06-24 19:59:06:      0 W
1998-09-22 22:40:43:      0 W
1999-12-22 01:21:07:      0 W
2001-03-21 04:01:05:     -0 W
2002-06-19 06:42:22:      0 W
2003-09-17 09:23:02:     -0 W
2004-12-15 12:03:16:      0 W
2006-03-15 14:43:11:      2 W
2007-06-13 17:22:42:     -2 W
2008-09-10 20:02:06:     -2 W
2009-12-09 22:42:37:      0 W
2011-03-10 01:23:05:     -0 W
2012-06-07 04:03:34:     -2 W
2013-09-05 06:43:42:     -2 W
2014-12-04 09:23:35:     -0 W
2016-03-03 12:04:48:     -0 W
2017-06-01 14:45:06:      2 W
2018-08-30 17:24:37: 36893488147419103232 W
2019-11-28 20:05:10:     -2 W
2021-02-25 22:44:15:     -0 W
2022-05-27 01:25:37:      0 W
2023-08-25 04:05:48:      0 W
2024-11-22 06:45:46:     -0 W
2026-02-20 09:23:02:      0 W
2027-05-21 12:04:33:      2 W
2028-08-18 14:45:36:     -0 W
2029-11-16 17:24:31:     -0 W
2031-02-14 20:02:55:      0 W
2032-05-14 22:42:27:      0 W
2033-08-13 01:25:02:      0 W
2034-11-11 04:04:33: 36893488147419103232 W
2036-02-09 06:43:12:     -2 W
2020-03-04 19:46:24:      2 W
2015-10-27 11:50:00:    435 W
2015-10-27 12:00:00:    596 W
2015-10-27 12:10:00:    836 W
2015-10-27 12:20:00:    804 W
2015-10-27 12:30:00:    458 W
2015-10-27 12:40:00:    195 W
2015-10-27 12:50:00:    155 W
2015-10-27 13:00:00:    144 W
2015-10-27 13:10:00:    155 W
2015-10-27 13:20:00:     97 W
2015-10-27 13:30:00:     50 W
2015-10-27 13:40:00:     43 W
2015-10-27 13:50:00:     20 W
2015-10-27 14:00:00:     15 W
2015-10-27 14:10:00:      2 W
2015-10-27 14:20:00:      0 W
2015-10-27 14:30:00:      0 W
2015-10-27 14:40:00:      0 W

last month:
2015-09-26:   10.290 kWh
2015-09-27:   12.210 kWh
2015-09-28:   12.290 kWh
2015-09-29:   12.300 kWh
2015-09-30:   12.650 kWh
2015-10-01:   11.900 kWh
2015-10-02:   11.390 kWh
2015-10-03:    9.080 kWh
2015-10-04:    8.990 kWh
2015-10-05:    2.110 kWh
2015-10-06:    7.010 kWh
2015-10-07:    2.240 kWh
2015-10-08:    7.700 kWh
2015-10-09:    8.520 kWh
2015-10-10:    5.870 kWh
2015-10-11:    9.050 kWh
2015-10-12:    7.320 kWh
2015-10-13:    5.540 kWh
2015-10-14:    5.390 kWh
2015-10-15:    4.360 kWh
2015-10-16:    2.880 kWh
2015-10-17:    3.620 kWh
2015-10-18:    6.280 kWh
2015-10-19:    2.770 kWh
2015-10-20:    6.510 kWh
2015-10-21:    1.270 kWh
2015-10-22:    2.660 kWh
2015-10-23:    3.020 kWh
2015-10-24:    1.510 kWh
2015-10-25:    6.700 kWh
2015-10-26:    5.880 kWh