Dev #5: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 25.30 kWh
e-total: 42257.39 kWh
read bad crc 08F6, should be 7C5D. Message *should* be rejected.

today:
1918-12-18 18:07:28: 16574128128 W
1993-07-23 17:51:12:      0 W
1994-10-21 20:34:32:      0 W
1996-01-19 23:19:40:      0 W
1997-04-19 02:01:28:      0 W
1998-07-18 04:42:27:      0 W
1999-10-16 07:23:14:      0 W
2001-01-13 10:03:36:     -2 W
2002-04-13 12:44:08:      2 W
2003-07-12 15:24:34:     -0 W
2004-10-09 18:04:53:      2 W
2006-01-07 20:45:16:     -0 W
2007-04-07 23:25:28:      2 W
2008-07-06 02:05:38:      0 W
2009-10-04 04:45:48:     -0 W
2011-01-02 07:25:58:     -0 W
2012-04-01 10:06:07: -36893488147419103232 W
2013-06-30 12:46:21:      2 W
2014-09-28 15:26:34:     -0 W
2015-12-27 18:06:43: -36893488147419103232 W
2017-03-26 20:46:55:      0 W
2018-06-24 23:27:07:      2 W
2019-09-23 02:07:16: 36893488147419103232 W
2020-12-21 04:47:20: -36893488147419103232 W
2022-03-21 07:27:35:      0 W
2023-06-19 10:07:41:     -0 W
2024-09-16 12:47:46: -8589934592 W
2025-12-15 15:27:53:     -2 W
2027-03-15 18:07:57:      0 W
2028-06-12 20:48:02: -8589934592 W
2029-09-10 23:28:07: 8589934592 W
2030-12-10 02:08:11:      0 W
2032-03-09 04:48:14: 36893488147419103232 W
2033-06-07 07:28:19: -36893488147419103232 W
2034-09-05 10:08:21:      0 W
2035-12-04 12:48:23:     -0 W
2037-03-03 15:28:25: 158456325028528675187087900672 W
1902-04-26 11:40:11:      0 W
1903-07-25 14:20:12: -158456325028528675187087900672 W
1904-10-22 17:00:13:      0 W
1906-01-20 19:40:14:     -2 W
1907-04-20 22:20:14: 8589934592 W
1908-07-19 01:00:15: -36893488147419103232 W
1909-10-17 03:40:15:     -0 W
1911-01-15 06:20:15:     -0 W
1912-04-14 09:00:14:     -2 W
1913-07-13 11:40:13: -8589934592 W
1914-10-11 14:20:11: 158456325028528675187087900672 W
1916-01-09 17:00:10: -36893488147419103232 W
1917-04-08 19:40:07: 8589934592 W
1918-07-07 22:20:06: -36893488147419103232 W
1919-10-06 01:00:02:      0 W
1921-01-03 03:39:57: -36893488147419103232 W
1922-04-03 06:19:55: 158456325028528675187087900672 W
1923-07-02 08:59:51: 36893488147419103232 W
1924-09-29 11:39:46:      2 W
1925-12-28 14:19:42: -158456325028528675187087900672 W
1927-03-28 16:59:38: -158456325028528675187087900672 W
1928-06-25 19:39:33:     -0 W
1929-09-23 22:19:28: 8589934592 W
1930-12-23 00:59:21:      0 W
1932-03-22 03:39:16: -8589934592 W
1933-06-20 06:19:07:     -0 W
1934-09-18 08:58:55: 36893488147419103232 W
1935-12-17 11:38:43: 36893488147419103232 W
1937-03-16 14:18:31: -36893488147419103232 W
1938-06-14 16:58:18: -36893488147419103232 W
1939-09-12 19:38:10:     -0 W
1940-12-10 22:17:59:      0 W
1942-03-11 00:57:48:      2 W
1943-06-09 03:37:41:     -0 W
1944-09-06 06:17:33:      0 W
1945-12-05 08:57:24:      2 W
1947-03-05 11:37:15:      2 W
1948-06-02 14:17:05:      0 W
1949-08-31 16:56:43:     -0 W
1950-11-29 19:36:22:     -2 W
1952-02-27 22:15:57:      0 W
1953-05-28 00:55:45:     -0 W
2020-04-20 16:00:00: 46405090560425590784 W
2020-04-20 16:10:00:    262 W
2020-04-20 16:20:00:     96 W
2020-04-20 16:30:00:     67 W
2020-04-20 16:40:00:     45 W
2020-04-20 16:50:00:     12 W
2020-04-20 17:00:00:      1 W
2020-04-20 17:10:00:      0 W
2020-04-20 17:20:00:      0 W

last month:
2020-03-20:    9.810 kWh
2020-03-21:   17.020 kWh
2020-03-22:   18.960 kWh
2020-03-23:   19.230 kWh
2020-03-24:   18.710 kWh
2020-03-25:   19.150 kWh
2020-03-26:   19.040 kWh
2020-03-27:   18.180 kWh
2020-03-28:   12.400 kWh
2020-03-29:   13.860 kWh
2020-03-30:    7.040 kWh
2020-03-31:   10.490 kWh
2020-04-01:   12.000 kWh
2020-04-02:    9.540 kWh
2020-04-03:   11.740 kWh
2020-04-04:   18.010 kWh
2020-04-05:   21.330 kWh
2020-04-06:   12.140 kWh
2020-04-07:   18.610 kWh
2020-04-08:   13.680 kWh
2020-04-09:   19.230 kWh
2020-04-10:   20.680 kWh
2020-04-11:   18.670 kWh
2020-04-12:   19.140 kWh
2020-04-13:   18.380 kWh
2020-04-14:   23.530 kWh
2020-04-15:   22.910 kWh
2020-04-16:   14.310 kWh
2020-04-17:    9.350 kWh
2020-04-18:   11.730 kWh
2020-04-19:   23.420 kWh