A rolling curtain mounting housing and an electric rolling curtain are provided. The rolling curtain mounting housing includes a housing body, the housing body is disposed with an accumulator compartment, the accumulator compartment is disposed with an accumulator placement opening. The rolling curtain mounting housing is further disposed with a cover plate, the cover plate is configured to close the accumulator placement opening. The housing body includes an accumulator installation part and a housing extension part connected with each other, the housing extension extends outwards relative to the accumulator installation part, the accumulator installation part is disposed with the accumulator compartment. The cover plate further covers a side surface of the housing extension part on a same side as the accumulator placement opening when the cover plate closes the accumulator placement opening. The provided electric rolling curtain is more convenient to replace the accumulator.