Dev #4: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 21.83 kWh
e-total: 60916.84 kWh
read bad crc 65D2, should be 390E. Message *should* be rejected.

today:
1969-12-31 22:00:00:      0 W
1967-05-30 11:27:28:      0 W
1968-08-27 14:11:12:      0 W
1969-11-25 16:53:16:      0 W
1971-02-23 19:34:44:      0 W
1972-05-23 22:17:49:      0 W
1973-08-22 01:00:15:      0 W
1974-11-20 03:41:13:      0 W
1976-02-18 06:21:42:     -0 W
1977-05-18 09:02:06:      0 W
1978-08-16 11:42:30:     -2 W
1979-11-14 14:22:54:      2 W
1981-02-11 17:03:14:      2 W
1982-05-12 19:43:32:      0 W
1983-08-10 22:23:42: -36893488147419103232 W
1984-11-08 01:03:54: 36893488147419103232 W
1986-02-06 03:44:03:     -2 W
1987-05-07 06:23:51:     -0 W
1988-08-04 09:03:33:      0 W
1989-11-02 11:43:31:      0 W
1991-01-31 14:24:07: 36893488147419103232 W
1992-04-30 17:04:38: -36893488147419103232 W
1993-07-29 19:44:31: -36893488147419103232 W
1994-10-27 22:25:11:     -2 W
1996-01-26 01:05:25:     -0 W
1997-04-25 03:45:01: -36893488147419103232 W
1998-07-24 06:25:50:      2 W
1999-10-22 09:05:33: 158456325028528675187087900672 W
2001-01-19 11:45:23:     -0 W
2002-04-19 14:26:00:     -2 W
2003-07-18 17:05:53:     -0 W
2004-10-15 19:45:41:     -0 W
2006-01-13 22:25:14:      0 W
2007-04-14 01:06:05:     -2 W
2008-07-12 03:46:12:      0 W
2009-10-10 06:26:13: 158456325028528675187087900672 W
2011-01-08 09:06:18:      2 W
2012-04-07 11:46:12:      0 W
2013-07-06 14:26:17:     -0 W
2014-10-04 17:06:04: -158456325028528675187087900672 W
2016-01-02 19:45:42:      0 W
2017-04-01 22:25:14:      2 W
2018-07-01 01:05:42:     -2 W
2019-09-29 03:46:24:      0 W
2020-12-27 06:26:31: -8589934592 W
2022-03-27 09:06:16: 8589934592 W
2023-06-25 11:46:18:     -0 W
2024-09-22 14:25:59:      0 W
2025-12-21 17:06:10: -8589934592 W
2027-03-21 19:46:17: 158456325028528675187087900672 W
2028-06-18 22:26:24:      0 W
2029-09-17 01:05:51:      0 W
2030-12-16 03:46:15: -36893488147419103232 W
2032-03-15 06:26:08:     -0 W
2033-06-13 09:05:08: 8589934592 W
2034-09-11 11:44:50:      0 W
2035-12-10 14:24:27:     -0 W
2037-03-09 17:04:51:      2 W
1902-05-02 13:18:23: 36893488147419103232 W
1903-07-31 15:57:58: 36893488147419103232 W
1904-10-28 18:37:40: 8589934592 W
1906-01-26 21:16:44: 36893488147419103232 W
1907-04-26 23:57:24:     -2 W
1908-07-25 02:37:17:     -0 W
1909-10-23 05:17:24:     -0 W
1911-01-21 07:57:09:      2 W
1912-04-20 10:36:10:      0 W
1913-07-19 13:15:19:      0 W
1914-10-17 15:55:58:      2 W
1916-01-15 18:34:06:      2 W
1917-04-14 21:13:58:     -0 W
1918-07-13 23:54:30:     -2 W
1919-10-12 02:34:23:      0 W
1921-01-09 05:14:08:     -2 W
1922-04-09 07:54:00:     -0 W
1923-07-08 10:35:17:     -0 W
1924-10-05 13:15:09:      0 W
1926-01-03 15:53:43:      0 W
1927-04-03 18:32:54:      2 W
1928-07-01 21:12:22:     -0 W
1929-09-29 23:52:08:     -0 W
1930-12-29 02:30:57:      0 W
2021-02-08 20:19:36:     -0 W
2025-05-01 16:20:00:    140 W
2025-05-01 16:30:00:    102 W
2025-05-01 16:40:00:     80 W
2025-05-01 16:50:00:     51 W
2025-05-01 17:00:00:     12 W
2025-05-01 17:10:00:      1 W
2025-05-01 17:20:00:      0 W
2025-05-01 17:30:00:      0 W

last month:
2025-03-31:   18.240 kWh
2025-04-01:   20.010 kWh
2025-04-02:   20.210 kWh
2025-04-03:   17.010 kWh
2025-04-04:   17.060 kWh
2025-04-05:   20.670 kWh
2025-04-06:   21.420 kWh
2025-04-07:   21.010 kWh
2025-04-08:   17.940 kWh
2025-04-09:   18.780 kWh
2025-04-10:   19.640 kWh
2025-04-11:   20.500 kWh
2025-04-12:   17.640 kWh
2025-04-13:   11.950 kWh
2025-04-14:   14.720 kWh
2025-04-15:    5.880 kWh
2025-04-16:   20.250 kWh
2025-04-17:   18.060 kWh
2025-04-18:   11.460 kWh
2025-04-19:   18.850 kWh
2025-04-20:   11.450 kWh
2025-04-21:   11.250 kWh
2025-04-22:    5.020 kWh
2025-04-23:    6.110 kWh
2025-04-24:   15.040 kWh
2025-04-25:   21.110 kWh
2025-04-26:   19.870 kWh
2025-04-27:   20.800 kWh
2025-04-28:   21.250 kWh
2025-04-29:   24.990 kWh
2025-04-30:   24.700 kWh