NTPC Group on Tuesday said it has produced 300 Billion Units (BU) of power so far this fiscal..It is the fastest ever 300 BU generation, NTPC said in a statement..The milestone was achieved in just 262 days on Dec. 18, which is 18 days early as compared to the previous financial year, it said..In 2022-23, the group had crossed 300 BU generation on Jan. 5, 2023, it said..NTPC Ltd, under the Ministry of Power, is India's largest integrated power utility, contributing 1/4th of the power requirement of the country.