可以自己抄表。

You may choose to submit your meter readings to SP Group, or via OEM e-services account monthly for more accurate meter readings.
You can submit your meter reading via these channels:
(1) WhatsApp to 9622 6557, with a clear photo of your meter reading and meter number
(2) Email choice@spgroup.com.sg, with a clear photo of your meter reading and meter number
(3) Online Form on the Open Electricity Market Website
(4) Call SP Group at 1800-222-2333. Please press 4 after selecting the language options to submit your meter reading