Dev #5: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 7.39 kWh
e-total: 33862.87 kWh
read bad crc 565C, should be 56CE. Message *should* be rejected.

today:
1969-12-31 22:00:00: 4664784971243560848326656 W
1967-04-18 00:00:32:      0 W
1968-07-16 02:44:56:      0 W
1969-10-14 05:28:54:      0 W
1971-01-12 08:07:52:      0 W
1972-04-11 10:46:24:      0 W
1973-07-10 13:27:48:      0 W
1974-10-08 16:08:34:      0 W
1976-01-06 18:50:50:      0 W
1977-04-05 21:33:22:      0 W
1978-07-05 00:15:20:     -0 W
1979-10-03 02:55:20:     -0 W
1980-12-31 05:34:46:      2 W
1982-03-31 08:14:40:     -2 W
1983-06-29 10:52:52:      2 W
1984-09-26 13:33:20:     -0 W
1985-12-25 16:16:37:      0 W
1987-03-25 18:56:32:     -0 W
1988-06-22 21:36:32:      0 W
1989-09-21 00:17:16: -36893488147419103232 W
1990-12-20 02:55:15:     -0 W
1992-03-19 05:33:43:      0 W
1993-06-17 08:13:54:     -0 W
1994-09-15 10:52:33:     -0 W
1995-12-14 13:31:42:     -0 W
1997-03-13 16:14:38:      0 W
1998-06-11 18:58:11:      0 W
1999-09-09 21:36:41:     -0 W
2000-12-08 00:12:40:      2 W
2002-03-08 02:53:14:      0 W
2003-06-06 05:34:46:      0 W
2004-09-03 08:14:42:     -0 W
2005-12-02 10:58:11:     -0 W
2007-03-02 13:38:26: -36893488147419103232 W
2008-05-30 16:13:53: -36893488147419103232 W
2009-08-28 18:54:51:     -0 W
2010-11-26 21:38:38:     -2 W
2012-02-25 00:18:31:      2 W
2013-05-25 02:58:50:     -0 W
2014-08-23 05:38:29:      0 W
2015-11-21 08:15:44:     -2 W
2017-02-18 10:56:33:      0 W
2018-05-19 13:38:39:     -0 W
2019-08-17 16:18:46:      0 W
2020-11-14 18:56:51:     -0 W
2022-02-12 21:36:22:     -0 W
2023-05-14 00:14:59:      2 W
2024-08-11 02:49:50:     -2 W
2025-11-09 05:26:52:      0 W
2027-02-07 08:08:10:      0 W
2028-05-07 10:53:55:      0 W
2029-08-05 13:36:15:      0 W
2030-11-03 16:16:36:     -0 W
2032-02-01 18:56:42:     -0 W
2033-05-01 21:33:43:     -0 W
2034-07-31 00:09:32:      0 W
2035-10-29 02:50:06:      0 W
2037-01-26 05:35:44:      0 W
1902-03-21 01:46:58:     -2 W
2018-02-27 14:10:00: 46405090560425590784 W
2018-02-27 14:20:00:     37 W
2018-02-27 14:30:00:      4 W
2018-02-27 14:40:00:      8 W
2018-02-27 14:50:00:      7 W
2018-02-27 15:00:00:      4 W
2018-02-27 15:10:00:      1 W
2018-02-27 15:20:00:      0 W
2018-02-27 15:30:00:      0 W

last month:
2018-01-27:    1.720 kWh
2018-01-28:    2.650 kWh
2018-01-29:    2.260 kWh
2018-01-30:    4.120 kWh
2018-01-31:    2.270 kWh
2018-02-01:    3.790 kWh
2018-02-02:    2.870 kWh
2018-02-03:    1.690 kWh
2018-02-04:    3.490 kWh
2018-02-05:    3.100 kWh
2018-02-06:    4.340 kWh
2018-02-07:    6.120 kWh
2018-02-08:    4.330 kWh
2018-02-09:    2.650 kWh
2018-02-10:    2.390 kWh
2018-02-11:    5.130 kWh
2018-02-12:    5.910 kWh
2018-02-13:    2.810 kWh
2018-02-14:    2.580 kWh
2018-02-15:    6.870 kWh
2018-02-16:    7.650 kWh
2018-02-17:    7.600 kWh
2018-02-18:    5.630 kWh
2018-02-19:    1.160 kWh
2018-02-20:    3.690 kWh
2018-02-21:    4.960 kWh
2018-02-22:    5.950 kWh
2018-02-23:    5.910 kWh
2018-02-24:   11.180 kWh
2018-02-25:   11.520 kWh
2018-02-26:    6.400 kWh