Dev #4: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 8.26 kWh
e-total: 48281.92 kWh
read bad crc 6E54, should be 2528. Message *should* be rejected.

today:
1970-04-06 16:16:32: 145758683081474048 W
1977-03-06 13:10:56:      0 W
1978-06-04 15:53:52:      0 W
1979-09-02 18:36:20:      0 W
1980-11-30 21:18:48:      0 W
1982-03-01 00:00:00:      0 W
1983-05-30 02:40:51:      0 W
1984-08-27 05:21:19:      0 W
1985-11-25 08:02:02:      0 W
1987-02-23 10:42:30:      0 W
1988-05-23 13:22:56:      0 W
1989-08-21 16:03:03:      0 W
1990-11-19 18:43:47:      0 W
1992-02-17 21:25:15:     -0 W
1993-05-18 00:05:15:     -2 W
1994-08-16 02:44:42:      0 W
1995-11-14 05:25:17:     -0 W
1997-02-11 08:05:39:     -0 W
1998-05-12 10:46:09:      0 W
1999-08-10 13:25:29:      2 W
2000-11-07 16:05:50:     -2 W
2002-02-05 18:45:18:     -2 W
2003-05-06 21:25:24:      2 W
2004-08-04 00:06:17:     -2 W
2005-11-02 02:46:22:     -0 W
2007-01-31 05:26:14: 36893488147419103232 W
2008-04-30 08:06:17:     -2 W
2009-07-29 10:46:42:     -0 W
2010-10-27 13:26:48: -36893488147419103232 W
2012-01-25 16:06:28:     -0 W
2013-04-24 18:46:47: -36893488147419103232 W
2014-07-23 21:26:02:      0 W
2015-10-22 00:05:49: 36893488147419103232 W
2017-01-19 02:45:51:      2 W
2018-04-19 05:27:05:     -0 W
2019-07-18 08:05:48: -36893488147419103232 W
2020-10-15 10:46:22:     -0 W
2022-01-13 13:26:11:      2 W
2023-04-13 16:04:34:      2 W
2024-07-11 18:44:01:      2 W
2025-10-09 21:24:16:      0 W
2027-01-08 00:04:21:      0 W
2028-04-07 02:45:37:     -0 W
2029-07-06 05:26:21:     -2 W
2030-10-04 08:05:21:      0 W
2032-01-02 10:43:42:      0 W
2033-04-01 13:24:27:     -0 W
2034-06-30 16:05:58:      2 W
2035-09-28 18:44:52:     -0 W
2020-03-04 19:43:28:      0 W
2021-09-01 11:30:00:    670 W
2021-09-01 11:40:00:    707 W
2021-09-01 11:50:00:    752 W
2021-09-01 12:00:00:    894 W
2021-09-01 12:10:00:    711 W
2021-09-01 12:20:00:    753 W
2021-09-01 12:30:00:    345 W
2021-09-01 12:40:00:    342 W
2021-09-01 12:50:00:    389 W
2021-09-01 13:00:00:    509 W
2021-09-01 13:10:00:    341 W
2021-09-01 13:20:00:    446 W
2021-09-01 13:30:00:    562 W
2021-09-01 13:40:00:    387 W
2021-09-01 13:50:00:    285 W
2021-09-01 14:00:00:    146 W
2021-09-01 14:10:00:    159 W
2021-09-01 14:20:00:    243 W
2021-09-01 14:30:00:    315 W
2021-09-01 14:40:00:    177 W
2021-09-01 14:50:00:    168 W
2021-09-01 15:00:00:    119 W
2021-09-01 15:10:00:     99 W
2021-09-01 15:20:00:     62 W
2021-09-01 15:30:00:     31 W
2021-09-01 15:40:00:     32 W
2021-09-01 15:50:00:     28 W
2021-09-01 16:00:00:      9 W
2021-09-01 16:10:00:      5 W
2021-09-01 16:20:00:      2 W
2021-09-01 16:30:00:      0 W
2021-09-01 16:40:00:      0 W

last month:
2021-08-01:   13.580 kWh
2021-08-02:   12.340 kWh
2021-08-03:   15.340 kWh
2021-08-04:   20.350 kWh
2021-08-05:   13.680 kWh
2021-08-06:   14.450 kWh
2021-08-07:   13.170 kWh
2021-08-08:   11.770 kWh
2021-08-09:   15.330 kWh
2021-08-10:   22.080 kWh
2021-08-11:   21.630 kWh
2021-08-12:   10.590 kWh
2021-08-13:   11.760 kWh
2021-08-14:   18.220 kWh
2021-08-15:   14.690 kWh
2021-08-16:   10.470 kWh
2021-08-17:    3.620 kWh
2021-08-18:   10.900 kWh
2021-08-19:   14.430 kWh
2021-08-20:    7.560 kWh
2021-08-21:    6.220 kWh
2021-08-22:   12.580 kWh
2021-08-23:    9.420 kWh
2021-08-24:   15.600 kWh
2021-08-25:   18.510 kWh
2021-08-26:    9.220 kWh
2021-08-27:   10.950 kWh
2021-08-28:   10.780 kWh
2021-08-29:   11.960 kWh
2021-08-30:    4.940 kWh
2021-08-31:    7.760 kWh