[Olli1980]

media(all 96 value) X 24

because trend are in kW (instant consumption) but you want to see allday consumption in kWh

-----------------------------------

https://live,my-gekko,com/api/v1/trend/energymanager/trend1/status?tstart=2021-04-26T15:00:00+01:00&tend=2021-04-27T15:00:00+01:00&datacount=96&username=......

{
"returnValue": 1,
"trendData": [2.40875, 0, 0.815769, 0.995687, 0.984928, 0.986063, 0.528357, 0.408867, 0.408733, 0.4084, 0.4096, 0.408933, 0.714667, 0.235, 0.222867, 0.2262, 0.225062, 0.222929, 0.223733, 0.222533, 0.223533, 0.22325, 0.223714, 0.228562, 0.236857, 0.2374, 0.314733, 2.46813, 0.24, 0.236467, 0.236062, 0.235929, 0.237187, 0.236571, 0.235867, 0.236267, 0.2374, 0.2374, 0.2372, 0.2375, 0.237071, 0.236313, 0.237357, 0.237, 0.237071, 0.237067, 0.2378, 0.236867, 0.236533, 0.242133, 0.242467, 0.242, 0.2418, 0.2418, 0.2422, 0.238067, 0.237267, 0.23725, 0.236643, 0.241, 0.233667, 0.224867, 0.2225, 0.222643, 0.222188, 0.222429, 0.224625, 0.247143, 0.279867, 0.2788, 0.7174, 0.29475, 1.0905, 1.28433, 0.7892, 0.9134, 0.6938, 0.993667, 0, 1.54573, 0, 1.14694, 0.403933, 0.3504, 0.350813, 0.461286, 0.393933, 0.285467, 0.283267, 0.280867, 0.454733, 0.487267, 0.399062, 0.33, 0.331, 0.330067],
"path": "/data/trend/",
"itemname": "EMAX0_ACT",
"tstart": 1619442000,
"tend": 1619528400,
"sampl": 900,
"datacount": 96,
"subvalue": 0,
"returnValue": 1
}

media(2.40875, 0, 0.815769, 0.995687, 0.984928, 0.986063, 0.528357, 0.408867, 0.408733, 0.4084, 0.4096, 0.408933, 0.714667, 0.235, 0.222867, 0.2262, 0.225062, 0.222929, 0.223733, 0.222533, 0.223533, 0.22325, 0.223714, 0.228562, 0.236857, 0.2374, 0.314733, 2.46813, 0.24, 0.236467, 0.236062, 0.235929, 0.237187, 0.236571, 0.235867, 0.236267, 0.2374, 0.2374, 0.2372, 0.2375, 0.237071, 0.236313, 0.237357, 0.237, 0.237071, 0.237067, 0.2378, 0.236867, 0.236533, 0.242133, 0.242467, 0.242, 0.2418, 0.2418, 0.2422, 0.238067, 0.237267, 0.23725, 0.236643, 0.241, 0.233667, 0.224867, 0.2225, 0.222643, 0.222188, 0.222429, 0.224625, 0.247143, 0.279867, 0.2788, 0.7174, 0.29475, 1.0905, 1.28433, 0.7892, 0.9134, 0.6938, 0.993667, 0, 1.54573, 0, 1.14694, 0.403933, 0.3504, 0.350813, 0.461286, 0.393933, 0.285467, 0.283267, 0.280867, 0.454733, 0.487267, 0.399062, 0.33, 0.331, 0.330067)  = 0,41 kW

0,41 kW * 24h = 9,95kwH. that's correct

Thanks a lot Marco, so I was pretty close