Dev #5: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 17.73 kWh
e-total: 23515.95 kWh
read bad crc D8F0, should be 0248. Message *should* be rejected.

today:
1969-12-31 22:00:00:      0 W
1965-10-24 22:30:08:      0 W
1967-01-23 01:14:04:      0 W
1968-04-22 03:56:18:      0 W
1969-07-21 06:35:34:      0 W
1970-10-19 09:17:11:      0 W
1972-01-17 11:59:20:      0 W
1973-04-16 14:39:07:      0 W
1974-07-15 17:21:33:     -0 W
1975-10-13 20:01:36:      0 W
1977-01-10 22:42:27:      0 W
1978-04-11 01:22:27:      2 W
1979-07-10 04:02:30:      0 W
1980-10-07 06:42:54:      0 W
1982-01-05 09:21:44: 36893488147419103232 W
1983-04-05 12:01:53:     -2 W
1984-07-03 14:39:45:     -0 W
1985-10-01 17:22:50:      0 W
1986-12-30 20:01:19:      2 W
1988-03-29 22:41:04:     -0 W
1989-06-28 01:23:44:     -0 W
1990-09-26 04:04:45:     -2 W
1991-12-25 06:43:36:      0 W
1993-03-24 09:24:36:      0 W
1994-06-22 12:04:12:      2 W
1995-09-20 14:44:41:      2 W
1996-12-18 17:24:04: -36893488147419103232 W
1998-03-18 20:03:44:     -2 W
1999-06-16 22:44:18:     -0 W
2000-09-14 01:25:10: -36893488147419103232 W
2001-12-13 04:05:43: 8589934592 W
2003-03-13 06:45:14:     -0 W
2004-06-10 09:25:08:     -0 W
2005-09-08 12:04:50:      0 W
2006-12-07 14:44:48: 8589934592 W
2008-03-06 17:24:54:     -0 W
2009-06-04 20:05:15:     -0 W
2010-09-02 22:45:41:      0 W
2011-12-02 01:26:01:      0 W
2013-03-01 04:05:38: -158456325028528675187087900672 W
2014-05-30 06:45:09:     -0 W
2015-08-28 09:25:13:      0 W
2016-11-25 12:05:36:     -0 W
2018-02-23 14:45:32:     -0 W
2019-05-24 17:25:57:      0 W
2020-08-21 20:04:47:     -2 W
2021-11-19 22:45:02: -36893488147419103232 W
2023-02-18 01:25:18: -36893488147419103232 W
2024-05-18 04:04:49: -36893488147419103232 W
2025-08-16 06:45:20:     -0 W
2026-11-14 09:25:08:      0 W
2028-02-12 12:04:50:     -0 W
2029-05-12 14:44:53:      0 W
2030-08-10 17:25:05:     -0 W
2031-11-08 20:04:22: 36893488147419103232 W
2033-02-05 22:43:46:      0 W
2034-05-07 01:23:21: 36893488147419103232 W
2035-08-05 04:03:04:      2 W
2019-08-23 15:26:16: 36893488147419103232 W
2015-05-04 12:20:00:    779 W
2015-05-04 12:30:00:    774 W
2015-05-04 12:40:00:    978 W
2015-05-04 12:50:00:    835 W
2015-05-04 13:00:00:    860 W
2015-05-04 13:10:00:    990 W
2015-05-04 13:20:00:    820 W
2015-05-04 13:30:00:    811 W
2015-05-04 13:40:00:    644 W
2015-05-04 13:50:00:    581 W
2015-05-04 14:00:00:    495 W
2015-05-04 14:10:00:    471 W
2015-05-04 14:20:00:    366 W
2015-05-04 14:30:00:    224 W
2015-05-04 14:40:00:    167 W
2015-05-04 14:50:00:    125 W
2015-05-04 15:00:00:    106 W
2015-05-04 15:10:00:    161 W
2015-05-04 15:20:00:    129 W
2015-05-04 15:30:00:    157 W
2015-05-04 15:40:00:    116 W
2015-05-04 15:50:00:     91 W
2015-05-04 16:00:00:     81 W
2015-05-04 16:10:00:     58 W
2015-05-04 16:20:00:     40 W
2015-05-04 16:30:00:     18 W
2015-05-04 16:40:00:      9 W
2015-05-04 16:50:00:      0 W
2015-05-04 17:00:00:      0 W
2015-05-04 17:10:00:      0 W
2015-05-04 17:20:00:      0 W
2015-05-04 17:30:00:      0 W

last month:
2015-04-03:    4.810 kWh
2015-04-04:    4.660 kWh
2015-04-05:   10.910 kWh
2015-04-06:   18.880 kWh
2015-04-07:   20.650 kWh
2015-04-08:   15.230 kWh
2015-04-09:   19.330 kWh
2015-04-10:   15.420 kWh
2015-04-11:   17.400 kWh
2015-04-12:   21.110 kWh
2015-04-13:   12.060 kWh
2015-04-14:   23.330 kWh
2015-04-15:   22.580 kWh
2015-04-16:   15.650 kWh
2015-04-17:   19.430 kWh
2015-04-18:   22.670 kWh
2015-04-19:   10.400 kWh
2015-04-20:   23.540 kWh
2015-04-21:   25.140 kWh
2015-04-22:   20.480 kWh
2015-04-23:   19.760 kWh
2015-04-24:   17.690 kWh
2015-04-25:   14.460 kWh
2015-04-26:    6.400 kWh
2015-04-27:   17.740 kWh
2015-04-28:   23.870 kWh
2015-04-29:   12.650 kWh
2015-04-30:   20.760 kWh
2015-05-01:   17.410 kWh
2015-05-02:   12.280 kWh
2015-05-03:   14.280 kWh