fillna with 0 during series resample
fillna with 0 during series resample


Former-commit-id: 5b28494601027bdfed3e2395d00aa17e7e37de94 [formerly 4cd6389d7be51a61231c3d8301070a288d91bada] [formerly 23e81ac0918bcf37ea6c09d3dd36a4ef5701a94a]
Former-commit-id: 3192ab16ee420a4bd2b5a63a00ba86774dca3378
Former-commit-id: 96828f521b1cd877359c191e2cd0a425f5628f1a
dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy