Dev #4: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 20.81 kWh
e-total: 64646.96 kWh
read bad crc 5E22, should be 1502. Message *should* be rejected.

today:
1970-04-06 11:45:36:      0 W
1941-09-16 01:16:32:      0 W
1942-12-15 04:00:56:      0 W
1944-03-14 06:41:24:      0 W
1945-06-12 09:22:46:      0 W
1946-09-10 12:03:54:      0 W
1947-12-09 14:47:41:      0 W
1949-03-08 17:29:39:     -0 W
1950-06-06 20:09:26:      0 W
1951-09-04 22:49:59:      0 W
1952-12-03 01:30:33:     -0 W
1954-03-03 04:11:19:      2 W
1955-06-01 06:51:21: -36893488147419103232 W
1956-08-29 09:31:20:      0 W
1957-11-27 12:11:04:      0 W
1959-02-25 14:51:05:      2 W
1960-05-25 17:31:55:      0 W
1961-08-23 20:12:02:      2 W
1962-11-21 22:52:22:      2 W
1964-02-20 01:32:43: -36893488147419103232 W
1965-05-20 04:13:03:      0 W
1966-08-18 06:53:02:      0 W
1967-11-16 09:33:11:     -0 W
1969-02-13 12:13:25: -36893488147419103232 W
1970-05-14 14:53:28:     -0 W
1971-08-12 17:33:27:      0 W
1972-11-09 20:13:38: -36893488147419103232 W
1974-02-07 22:53:31: 36893488147419103232 W
1975-05-09 01:33:25: -36893488147419103232 W
1976-08-06 04:13:01:     -2 W
1977-11-04 06:53:38:     -2 W
1979-02-02 09:33:46: -158456325028528675187087900672 W
1980-05-02 12:13:47:     -0 W
1981-07-31 14:53:42:     -0 W
1982-10-29 17:33:48:      2 W
1984-01-27 20:14:01:     -0 W
1985-04-26 22:53:31: 36893488147419103232 W
1986-07-26 01:34:15:     -0 W
1987-10-24 04:14:02:     -2 W
1989-01-21 06:54:01:      0 W
1990-04-21 09:34:18: 8589934592 W
1991-07-20 12:14:10: 158456325028528675187087900672 W
1992-10-17 14:54:15: 8589934592 W
1994-01-15 17:34:08:     -2 W
1995-04-15 20:14:02: 158456325028528675187087900672 W
1996-07-13 22:53:50: 8589934592 W
1997-10-12 01:33:45: -158456325028528675187087900672 W
1999-01-10 04:13:43:      0 W
2000-04-09 06:53:26: -8589934592 W
2001-07-08 09:33:41:     -0 W
2002-10-06 12:13:26: 158456325028528675187087900672 W
2004-01-04 14:53:29:      2 W
2005-04-03 17:33:42: 8589934592 W
2006-07-02 20:13:31:      0 W
2007-09-30 22:53:04:     -0 W
2008-12-29 01:32:30:     -0 W
2010-03-29 04:13:06: -36893488147419103232 W
2011-06-27 06:52:56:      0 W
2012-09-24 09:32:40:     -2 W
2013-12-23 12:12:45:     -0 W
2015-03-23 14:52:07: 36893488147419103232 W
2016-06-20 17:31:50:      0 W
2017-09-18 20:11:56: -36893488147419103232 W
2018-12-17 22:51:42:     -0 W
2020-03-17 01:31:26:      0 W
2021-06-15 04:11:02:     -0 W
2022-09-13 06:51:08:     -2 W
2023-12-12 09:30:55:      2 W
2025-03-11 12:11:19:      2 W
2026-06-09 14:51:28:     -0 W
2027-09-07 17:30:38:     -0 W
2028-12-05 20:10:50:     -2 W
2030-03-05 22:49:40:      0 W
2031-06-04 01:28:54:     -0 W
2032-09-01 04:09:14:      0 W
2033-11-30 06:49:07:     -2 W
2035-02-28 09:28:16:      2 W
2036-05-28 12:07:10:      0 W
2037-08-26 14:46:22:     -0 W
2007-02-21 15:30:00: 46405090560425590784 W
2007-02-21 15:40:00:    215 W
2007-02-21 15:50:00:    140 W
2007-02-21 16:00:00:     96 W
2007-02-21 16:10:00:     41 W
2007-02-21 16:20:00:      3 W
2007-02-21 16:30:00:      0 W
2007-02-21 16:40:00:      0 W
2007-02-21 16:50:00:      0 W

last month:
2007-01-21:   17.150 kWh
2007-01-22:    5.460 kWh
2007-01-23:   15.360 kWh
2007-01-24:    7.950 kWh
2007-01-25:   10.700 kWh
2007-01-26:    7.150 kWh
2007-01-27:    7.330 kWh
2007-01-28:   13.320 kWh
2007-01-29:    5.250 kWh
2007-01-30:   10.040 kWh
2007-01-31:   16.320 kWh
2007-02-01:   19.960 kWh
2007-02-02:   20.920 kWh
2007-02-03:   19.410 kWh
2007-02-04:   12.150 kWh
2007-02-05:   15.250 kWh
2007-02-06:   12.770 kWh
2007-02-07:   16.650 kWh
2007-02-08:   14.220 kWh
2007-02-09:   17.720 kWh
2007-02-10:   10.820 kWh
2007-02-11:   15.730 kWh
2007-02-12:   12.740 kWh
2007-02-13:   23.970 kWh
2007-02-14:   21.400 kWh
2007-02-15:   16.760 kWh
2007-02-16:   18.160 kWh
2007-02-17:   24.490 kWh
2007-02-18:   23.660 kWh
2007-02-19:   25.330 kWh
2007-02-20:   23.870 kWh