Electric consumption in tokyo

Hi, i like to ask about the elctric comsumption in tokyo and understand now its really expensive. I just move here in minato tokyo in a old mansion 30 yrs old build old.

Just a receipt a receipt that i need to pay on nov 10. I just moved here on oct 25 and my bills is already 2639 yen . Is this normal? And how to compute the electric consumption here.
The bill wriiten on receipt waw

10/30 電気メータ 553.7kw
9/25 電気メータ 488.4 kw
使用量65.3。kw
65.3 x 30 + 680 = 2639

by FullmoonITSUKI05