SELECT integral("value",1h)  / 1000 FROM /(Klima|NAS)_Power/ WHERE time > now()-1w AND time <= now() GROUP BY time(1d) fill(null)

name: Klima_Power
time                 integral
----                 --------
2019-07-11T00:00:00Z 0.0028576888333333326
2019-07-12T00:00:00Z 0.05559535705833335
2019-07-13T00:00:00Z 0.055475250270833325
2019-07-14T00:00:00Z 0.0551049064541667
2019-07-15T00:00:00Z 0.055454312898611136
2019-07-16T00:00:00Z 0.05580957162916666
2019-07-17T00:00:00Z 0.05551291632777774

name: NAS_Power
time                 integral
----                 --------
2019-07-11T00:00:00Z 0
2019-07-12T00:00:00Z 0
2019-07-13T00:00:00Z 0
2019-07-14T00:00:00Z 0
2019-07-15T00:00:00Z 0
2019-07-16T00:00:00Z 0.1073428686286408
2019-07-17T00:00:00Z 0.7449990083701262
2019-07-18T00:00:00Z 0.756581078140122

name: Klima_Power
time                 integral
----                 --------
2019-07-18T00:00:00Z 0.05271264777916669