Big Apple subway commuters faced mass rush-hour delays for the second time in a week Thursday after a power outage near Manhattan’s West Fourth Street station upended multiple train lines again — just a day after the MTA announced probable price hikes.

NYC subway service was disrupted Thursday in Manhattan after a power outage near the West Fourth Street-Washington Square station, the MTA says.

Subway riders were experiencing hours-long suspensions and delays for the second time in two days Thursday, after another power outage caused signal problems at Manhattan’s West Fourth Street station.