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🇮🇳 Kalpakkam-1 (Madras-1 / MAPS1)

Name: Kalpakkam-1 (Madras-1 / MAPS1)
Address: India

Nuclear power plant · India

Suspended

Capacity≈202 MW

Units1

First Online1984

Construction Start1971

Reactor TypePHWR

Coordinates12.553, 80.174

Kalpakkam-1 (Madras-1 / MAPS1) is a nuclear power station in India. Of its 1 recorded unit(s), 1 in suspended operation. Combined net capacity of the operating units is about 202 MW. Units in suspended operation are not permanently shut down: they remain licensed and can return to service. The first unit reached commercial operation in 1984. Reactor technology on site: PHWR.

Reactor units at Kalpakkam-1 (Madras-1 / MAPS1)

Unit	Status	Reactor type	Net capacity	Key dates
Kalpakkam-1 (Madras-1 / MAPS1)	Suspended	PHWR Horizontal Pressure Tube type	202 MW	Construction 1971 · Grid 1984

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Other nuclear sites in India

Kudankulam Rajasthan Kakrapar Tarapur Kaiga Kalpakkam (PFBR)Narora Kalpakkam-2 (Madras-2 / MAPS2)Jaitapur

Contains information from GeoNuclearData, made available under the ODbL. Sources & methodology. Data compiled from open datasets (GeoNuclearData and operator reports); figures are approximate — verify official status with IAEA PRIS. See the India nuclear overview or browse all nuclear sites.