Whalesbook
Key Step at Kudankulam
The 'Spillage to Open Reactor' phase at Kudankulam Nuclear Power Project Unit-3 began on April 25, 2026. This is a key procedural step towards making the unit operational. The process involves flushing the primary cooling system with light water to ensure it's clean for later testing of equipment. NPCIL Chairman and Managing Director B C Pathak and Mikhail Novikov of Atomstroyexport inaugurated this milestone. It highlights the strong partnership between India and Russia in developing this major nuclear facility. Units 1 and 2 are already operating, contributing significantly to India's energy supply. Unit 4 is nearing completion, while Units 5 and 6 are under construction. Once finished, Kudankulam is expected to have a total capacity of 6,000 MW, becoming a central part of India's nuclear power network.
India's Ambitious Nuclear Expansion
This step at Kudankulam Unit-3 is a clear sign of India's large nuclear energy goals. The country aims for 100 GW of nuclear power by 2047. India currently has about 8.8 GW and needs to add over 4 GW annually to reach this target. The Kudankulam project, with its six VVER-1000 reactors adding 6,000 MW, is key to these plans. This growth relies heavily on civil nuclear cooperation with Russia, a trusted partner for India's energy needs. India is also developing its own nuclear technology. The Prototype Fast Breeder Reactor (PFBR) at Kalpakkam reached its first criticality on April 6, 2026. This shows India's increasing self-reliance and its progress in a long-term nuclear development plan, opening doors for future thorium use. Globally, nuclear power is growing, with Asia, especially China, building most new reactors. Nuclear energy is increasingly viewed as a vital, low-carbon source of reliable power, complementing renewable energy.
Challenges Facing Nuclear Growth
However, the path to India's nuclear goals, especially for Kudankulam, is difficult. The Kudankulam project has faced major delays and cost increases, with construction taking much longer than planned and issues with equipment delivery from Russia. Public concerns about safety and opposition have also been ongoing, due to the plant's location in an earthquake-prone area and general worries about nuclear safety and the environment. To reach the 100 GW target by 2047, India must clear significant obstacles. These include speeding up approvals, securing long-term fuel supplies, finding sites for new plants, and training enough skilled workers. Worldwide, nuclear projects are known for long development times, high capital costs, and complex supply chains, which can slow down efforts to cut carbon emissions. The recent SHANTI Act aims to help private companies get involved and simplify rules, but putting these ambitious plans into practice remains a challenge.
The Road Ahead
India's nuclear energy future will be influenced by ongoing cooperation, especially with Russia on Kudankulam and possible future projects using advanced VVER technology. The country is also looking into Small Modular Reactors (SMRs). Reforms like the SHANTI Act of 2025 aim to bring in more players, including the private sector, to speed up building new capacity. The progress with the indigenous PFBR program points to a long-term goal of becoming self-reliant in advanced nuclear tech, including exploring thorium-based fuel. As India balances growing energy demands with climate goals, nuclear power is seen as a reliable, low-carbon energy source. However, managing its technical, financial, and societal challenges remains crucial.