---
title: "Tarapur Atomic Power Station: India's Oldest Plant"
description: "Tarapur Atomic Power Station, India's oldest nuclear plant, was commissioned in 1969 and plays a key role in US-India nuclear relations."
url: "https://modeldiplomat.com/learn/glossary/tarapur-atomic-power-station"
---

[New](https://modeldiplomat.com/)

#

Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- Tarapur Atomic Power Station is India's oldest operating nuclear power plant, located in Maharashtra, commissioned in 1969 with two US-supplied boiling water reactors.
- Why was Tarapur Atomic Power Station central to the US-India nuclear fuel dispute?
- How do Tarapur's reactor units differ from one another?
- Is Tarapur under IAEA safeguards?
- Who operates and regulates Tarapur today?

[Civil Service & Diplomatic Exams](https://modeldiplomat.com/learn/civil-services/glossary)Updated June 22, 2026

Go beyond the definition

## Research Tarapur Atomic Power Station like a delegate

Model Diplomat's AI drafts position papers, speeches, and country research with real sources — built for MUN and politics students.

## Timeline

1. 28 October 1969

   The two original units, TAPS-1 and TAPS-2, are BWRs of 160 megawatts-electric (MWe) gross design each, derated over their service life to 150 MWe, and were c…

2. 18 May 1974

   After India's first nuclear test, the "Smiling Buddha" Pokhran-I detonation of , the United States moved toward restricting nuclear exports, and the Nuclear…

## Research it like a delegate

Research on modeldiplomat.com

## Ask a follow-up about Tarapur Atomic Power Station

Open a cited briefing in Model Diplomat search — timelines, positions, and sources you can use in committee or exam answers.

[Start research on Tarapur Atomic Power Station](https://modeldiplomat.com/search?q=Explain%20Tarapur%20Atomic%20Power%20Station%20%E2%80%94%20key%20dates%2C%20actors%2C%20positions%2C%20and%20sources)

Example

In 2008 the Nuclear Suppliers Group granted India a waiver that, alongside the US-India 123 Agreement, restored secure fuel access for Tarapur's BWR units after three decades of supply disruption following the 1974 Pokhran test.

Keep learning

## Go deeper than the definition

[Explore all Civil Service & Diplomatic Exams lessons](https://modeldiplomat.com/learn/civil-services)[Test yourself with a quiz](https://modeldiplomat.com/learn/glossary/quiz/civil-services)

## Take Tarapur Atomic Power Station beyond the glossary

Ask the AI research engine built for diplomacy — get briefings, position papers, and speeches with sources you can cite in committee.