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3. Madras Atomic Power Station (MAPS)
4. Operating Performance

Location : Kalpakkam, Chennai , Tamil Nadu

Unit	Reactor Type	Capacity(MWe)	Date of Commercial Operation	Cumulative Generation Since Commercial Operation (MUs)
MAPS Unit-1	PHWR	220	January 27, 1984	34934
MAPS Unit-2	PHWR	220	March 21, 1986	47403
Total		440	-	82337

 

Generation Statistics during the Current Financial Year (2025-26)

Unit	Apr 2025 - Mar 2026 (FY 2025-26)
	Gross Generation(MUs)	Capacity Factor(%)
MAPS Unit-1	0	0
MAPS Unit-2	1410	73

Note: MAPS Unit -1 is under shutdown in project mode for ageing management/refurbishment.

Abbreviations:
PHWR- Pressurised Heavy Water Reactor