This is contained in a daily energy report by the Advisory Power Team, office of the Vice President a copy of which was obtained in Abuja on Tuesday.
The report said that the electricity sent out by the GenCos was down by 34.54 megawatts from the 3,878 released on Sunday.
It, however, said that 2,965.5 megawatts could not be generated due to unavailability of gas.
The report noted that 60 megawatts was not generated due to unavailability of transmission infrastructure during the period.
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Similarly, it said that 506 megawatts were not generated due to high frequency resulting from unavailability of distribution infrastructure.
The report said zero (0) megawatts were recorded as losses due to water management procedures.
The report revealed that the power sector lost an estimated N1.695 on Monday due to insufficient gas supply, distribution and transmission infrastructure.
On sector reform/activities, it said that the dominant constraint for Monday was high frequency resulting from unavailability of gas.
The report said that the peak generation attained on Sunday was 4,394.5 megawatts.