Kudankulam
Reactor Data
Reactor Units
Every power reactor at this site as listed in the IAEA Power Reactor Information System (PRIS): reactor type and model, net electrical capacity, grid connection and commercial operation dates, and current status.
6 units: 2 operational, 4 under construction.
Net capacity in service: 1,864 MWe.
| Unit | Type | Model | Net MWe | Construction | Grid | Commercial Op | Shutdown | Status |
|---|---|---|---|---|---|---|---|---|
| Kudankulam 1 | PWR | VVER V-412 | 932 | 2002-03-31 | 2013-10-22 | 2014-12-31 | Operational | |
| Kudankulam 2 | PWR | VVER V-412 | 932 | 2002-07-04 | 2016-08-29 | 2017-03-31 | Operational | |
| Kudankulam 3 | PWR | VVER V-412 | 917 | 2017-06-29 | Under Construction | |||
| Kudankulam 4 | PWR | VVER V-412 | 917 | 2017-10-23 | Under Construction | |||
| Kudankulam 5 | PWR | VVERV412 | 917 | 2021-06-29 | Under Construction | |||
| Kudankulam 6 | PWR | VVERV412 | 917 | 2021-12-20 | Under Construction |
Capacity, milestones and suppliers
| Unit | Design MWe | Gross MWe | Thermal MWt | First Criticality | Reactor Supplier | Turbine Supplier | Notes |
|---|---|---|---|---|---|---|---|
| Kudankulam 1 | 917 | 1,000 | 3,000 | 2013-07-13 | MINATOMENERGOPROM, MINISTRY OF NUCLEAR POWER AND INDUSTRY | JSC "Atomstroyexport" | |
| Kudankulam 2 | 917 | 1,000 | 3,000 | 2016-07-10 | MINATOMENERGOPROM, MINISTRY OF NUCLEAR POWER AND INDUSTRY | JSC "Atomstroyexport" | |
| Kudankulam 3 | 917 | 1,000 | 3,000 | JSC "Atomstroyexport" | JSC "Atomstroyexport" | ||
| Kudankulam 4 | 917 | 1,000 | 3,000 | JSC "Atomstroyexport" | JSC "Atomstroyexport" | ||
| Kudankulam 5 | 917 | 1,000 | 3,000 | JSC "Atomstroyexport" | JSC "Atomstroyexport" | ||
| Kudankulam 6 | 917 | 1,000 | 3,000 | JSC "Atomstroyexport" | JSC "Atomstroyexport" |
Lifetime performance, through 2025
| Unit | Electricity Supplied | Load Factor | Energy Availability | Operating Factor |
|---|---|---|---|---|
| Kudankulam 1 | 62.6 TWh | 66.9% | 66.5% | 70.4% |
| Kudankulam 2 | 50.0 TWh | 67.0% | 66.5% | 73.4% |
Operator: NUCLEAR POWER CORPORATION OF INDIA, LTD.
Owner: NUCLEAR POWER CORPORATION OF INDIA, LTD.
Source: IAEA Power Reactor Information System (PRIS), as of 2026-10-14.
Working Here
Per Diem Rates FY 2026
Per diem covers lodging and meals & incidental expenses (M&IE) for government and contractor travel near this facility. Rates are from the U.S. State Department foreign per diem tables for FY 2026.
$196
Lodging/Night
$92
M&IE/Day
$288
Total/Day
India: rate for locations the State Department does not list separately
U.S. Department of State foreign per diem, for U.S. government and contractor travel.
Photos
Photos of this facility from the NukeWorker photo gallery. Click the header or any photo to browse the full album.
Facility Map
Interactive satellite map showing the facility's geographic location. Marker color indicates current status: green for online, red for offline, orange for reduced power. Click the header to open in Google Maps satellite view.
8.1678, 77.7115
Location & Contact
Physical address, phone number, and website for this facility. Use the directions link to get driving directions via Google Maps.
Plant Facts
About This Site
Written by NukeWorker from public records: facts that do not change. Operator, status and capacity come from the live data elsewhere on this page. Sources: Wikipedia: Kudankulam Nuclear Power Plant.
Kudankulam Nuclear Power Plant is on the coast of Tirunelveli district, Tamil Nadu, at the southern tip of India, facing the Laccadive Sea.
Read more
India and the Soviet Union signed an agreement for two reactors on 20 November 1988, and the project was revived in 1998. Construction of Units 1 and 2, Russian-supplied VVER-1000 pressurized water reactors, began on 31 March 2002 and 4 July 2002. Unit 1 was connected to the grid on 22 October 2013 and Unit 2 on 29 August 2016. Construction of Units 3 and 4 started on 29 June 2017.